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F115 / LF115 Owner`s Manual

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1. Le 1 Power trim and tilt switch TES NJ DN Z ZMU05224 1 Power trim and tilt switch To raise the bow trim out press the switch UP up To lower the bow trim in press the switch DN down Make test runs with the trim set to different angles to find the position that works best for your boat and operating conditions EMU27911 Adjusting boat trim When the boat is on plane a bow up attitude results in less drag greater stability and effi ciency This is generally when the keel line of the boat is up about 3 to 5 degrees With the bow up the boat may have a greater tenden cy to steer to one side or the other Compen sate for this as you steer The trim tab can also be adjusted to help offset this effect When the bow of the boat is down it is easier to accelerate from a standing start onto plane 49 Operation 2 001784 Too much trim out puts the bow of the boat too high in the water Performance and econ omy are decreased because the hull of the boat is pushing the water and there is more air drag Excessive trim out can also cause the propeller to ventilate which reduces per formance further and the boat may por poise hop in the water which could throw the operator and passengers overboard LT 2 001785 Bow Down Too much trim in causes the boat to plow through the water decreasing fuel economy and making it
2. DATE SOLD DATE DE LIVRAISON USAGE PLEASURE Check One LOISIR UTILISATION COMMERCIAL En cocher un COMMERCIAL OWNER S NAME NOM DU PROPRI TAIRE ADDRESS ADRESSE FIRST LAST PR NOM NOM DE FAMILLE STREET RUE PHONE NUMBER NUM RO DE T L PHONE STATE PROVINCE ZIP PROVINCE CODE POSTAL PLACE POSTAGE HERE ATTN WARRANTY DEPARTMENT
3. EMU29830 YAMAHA MOTOR CORPORATION U S A FOUR STROKE OUTBOARD MOTOR THREE YEAR LIMITED WARRANTY Yamaha Motor Corporation U S A hereby warrants that new Yamaha 1999 or later model four stroke outboard motors originally distributed by Yamaha Motor Corporation U S A will be free from defects in material and workmanship for the period of time stated herein subject to certain stated limitations Warranty coverage for outboards distributed by non US Yamaha affiliated companies may be different PERIOD OF WARRANTY Any new Yamaha 1999 or later model four stroke outboard motor purchased and registered with Yamaha Motor Corporation U S A for pleasure use in the United States will be warranted against defects in material or workmanship for a period of three 3 years from the date of purchase subject to exclusions noted herein Any Yamaha outboard motor purchased and utilized for commercial appli cations will be warranted for a period of one 1 year from the date of purchase subject to exclusions noted herein Yamaha peripheral equipment included with the motor such as gauges fuel tanks and hoses remote control boxes and wiring external from the motor unit will be warranted for one 1 year from the date of purchase of either pleasure or commercial use Replacement parts used in warranty repairs will be warranted for the balance of the applicable warranty period The second and third year of warranty if applicable shall be limited to cover
4. EMU28442 Flushing power unit Perform this procedure right after operation for the most thorough flushing ECM01530 CAUTION Do not perform this procedure while the engine is running The water pump may be damaged and severe damage from overheating can result 1 After shutting off the engine unscrew the garden hose connector from the fit ting on the bottom cowling 60 ZMU04264 1 Fitting 2 Garden hose connector 3 Garden hose adapter 2 Screw the garden hose adapter onto a garden hose which is connected to a fresh water supply and then connect it to the garden hose connector 3 With the engine off turn on the water tap and let the water flush through the cool ing passages for about 15 minutes Turn off the water and disconnect the garden hose adapter from the garden hose con nector 4 Reinstall the garden hose connector onto the fitting on the bottom cowling Tighten the connector securely ECMO00540 CAUTION Do not leave the garden hose connector loose on the bottom cowling fitting or let the hose hang free during normal opera tion Water will leak out of the connector instead of cooling the engine which can cause serious overheating Be sure the connector is tightened securely on the fit ting after flushing the engine NOTE e When flushing the engine with the boat in the water tilting up the outboard motor un til it is completely out of the water will achieve
5. 5 With the outboard motor in a vertical po sition and using a flexible or pressur ized filling device inject the gear oil into the gear oil drain screw hole Recommended gear oil Hypoid gear oil SAE 90 Gear oil quantity F115TR 760 0 cm 25 70 US oz 26 81 Imp oz LF115TR 715 0 cm 24 17 US oz 25 22 Imp oz 6 Put a new gasket on the oil level plug When the oil begins to flow out of the oil level plug hole insert and tighten the oil level plug 7 Puta new gasket on the gear oil drain screw Insert and tighten the gear oil 72 drain screw EMU29312 Inspecting and replacing anode s Yamaha outboard motors are protected from corrosion by sacrificial anodes Inspect the external anodes periodically Remove scales from the surfaces of the anodes Consult a Yamaha dealer for replacement of external anodes ECM00720 CAUTION Do not paint anodes as this would render them ineffective NOTE Inspect ground leads attached to external anodes on equipped models Consult a Yamaha dealer for inspection and replace ment of internal anodes attached to the pow er unit 2 001901 EMU29320 Checking battery for electric start models EWM00330 Battery electrolytic fluid is dangerous it contains sulfuric acid and therefore is poisonous and highly caustic Always follow these preventive mea sures e Avoid bodily contact with electrolytic fluid as it can cause se
6. tilt models 53 Cruising in other conditions 54 Maintenance 56 5 56 Transporting and storing outboard RATS 1 C0 Eee 57 Storing outboard motor 57 Procedure x sec itp teeta lol 58 Lu brication e etnies 59 Cleaning and anticorrosion MCASUICS 3 ees 59 Battery 59 Flushing power unit 60 Table of contents Cleaning the outboard 61 Checking painted surface of MOTOT oc eet tete 61 Periodic maintenance 61 Replacement parts 61 Maintenance chart 62 Maintenance chart additional 63 Greasing cioe 64 Cleaning and adjusting spark elle aS 64 Checking fuel system 65 Inspecting idling speed 66 Changing engine oil 66 Checking wiring and connectors 68 Exhaust 68 Water leakage 68 Engine oil leakage 68 Checking power trim and tilt 5 eine ee 68 Checking propeller 69 Removing the propeller 70 Installing the Propeller 70 Changing gear oil 71 Inspecting and replacin
7. 0 Nm 20 7 ft lb 2 86 kgf m Engine oil filter 18 0 Nm 13 3 ft Ib 1 84 kgf m EMU28222 Transporting and storing outboard motor EWM00690 e Leaking fuel is a fire hazard When transporting and storing the outboard motor close the air vent screw and fuel cock to prevent fuel from leaking e USE CARE when transporting fuel tank whether in a boat or car e DO NOT fill fuel container to maximum capacity Gasoline will expand consid erably as it warms up and can build up pressure in the fuel container This can Maintenance cause fuel leakage and a potential fire hazard EWMO00700 Never get under the lower unit while it is tilted even if a motor support bar is used Severe injury could occur if the outboard motor accidentally falls ECMO00660 CAUTION Do not use the tilt support lever or knob when trailering the boat The outboard motor could shake loose from the tilt sup port and fall If the motor cannot be trail ered in the normal running position use an additional support device to secure it in the tilt position The outboard motor should be trailered and stored in the normal running position If there is insufficient road clearance in this position then trailer the outboard motor in the tilt po sition using a motor support device such as a transom saver bar Consult your Yamaha dealer for further details 2 003659 EMU28280 Storing outboard motor When storing your Yamaha outboa
8. 1 Manufactured date label location YAMAHA Manufactured 2 001701 EMU25272 Star labels Your outboard motor is labeled with a Cali fornia Air Resources Board CARB star la bel See below for a description of your particular label 2 004776 EMU25280 One Star Low Emission The one star label identifies engines that meet the Air Resources Board s 2001 ex haust emission standards Engines meeting these standards have 75 lower emissions than conventional carbureted two stroke en gines These engines are equivalent to the U S EPA s 2006 standards for marine en gines mig gio ZMUO1702 EMU25290 Two Stars Very Low Emission The two star label identifies engines that meet the Air Resources Board s 2004 ex haust emission standards Engines meeting these standards have 20 lower emissions than One Star Low Emission engines 2 001703 EMU25300 Three Stars Ultra Low Emission The three star label identifies engines that meet the Air Resources Board s 2008 ex haust emission standards Engines meeting these standards have 65 lower emissions than One Star Low Emission engines ZMUO1704 EMU25362 Safety information e Before mounting or operating the outboard motor read this entire manual Reading it should give you an understanding of the motor and its operation e Before operating the boat read any own er s or operator s manuals supplied with it and all labels Be su
9. 2 001708 away from sparks flames or other sources of ignition e Stop engine before refueling e Refuel in a well ventilated area Refuel portable fuel tanks off the boat e Take care not to spill gasoline If gaso line spills wipe it up immediately with Red or White Light old dry rags e Do not overfill the fuel tank e Tighten the filler cap securely after re fueling e If you should swallow some gasoline inhale a lot of gasoline vapor or get gasoline in your eyes get immediate medical attention e If any gasoline spills onto your skin im mediately wash with soap and water Change clothing if gasoline spills on it e Touch the fuel nozzle to the filler open ing or funnel to help prevent electro static sparks ECM00010 CAUTION Use only new clean gasoline which has been stored in clean containers and is not contaminated with water or foreign mat ter EMU25570 Gasoline If knocking or pinging occurs use a different brand of gasoline or premium unleaded fuel Recommended gasoline Regular unleaded gasoline with a min imum octane rating of 86 Pump Oc tane Number R M 2 Gasohol There are two types of gasohol gasohol con taining ethanol and that containing metha nol Gasohol containing ethanol can be used if ethanol content does not exceed 10 and the fuel meets minimum octane ratings Yamaha does not recommended gasohol containing methanol because it can cause fuel system dama
10. 2 Spark plug I D mark NGK 3 Spark plug part number Spark plug gap 1 0 1 1 mm 0 039 0 043 in When fitting the plug always clean the gas ket surface and use a new gasket Wipe off any dirt from the threads and screw in the spark plug to the correct torque Spark plug torque 25 0 Nm 18 4 ft Ib 2 55 kgf m NOTE If a torque wrench is not available when you are fitting a spark plug a good estimate of the correct torque is 1 4 to 1 2 a turn past fin ger tight Have the spark plug adjusted to the correct torque as soon as possible with a torque wrench EMU28962 Checking fuel system EWM00060 Gasoline and its vapors are highly flam mable and explosive Keep away from sparks cigarettes flames or other Maintenance sources of ignition EWMO00910 Leaking fuel can result in fire or explo sion e Check for fuel leakage regularly e If any fuel leakage is found the fuel system must be repaired by a qualified mechanic Improper repairs can make the outboard unsafe to operate Check the fuel lines for leaks crack or mal function If a problem is found your Yamaha dealer or other qualified mechanic should re pair it immediately ZMU04267 Checkpoints e Fuel system parts leakage e Fuel line joint leakage e Fuel line cracks or other damage e Fuel connector leakage 65 Maintenance EMU29041 Inspecting idling speed EWM00451 e Do not touch or remove electrical parts when
11. 4 Cooling water pressure 5 Cooling water engine temperature 6 Water detection warning indicator 7 Battery voltage 8 Oil pressure 4 stroke models Basic components ZMU05417 1 Set button 2 Mode button ACH 1 452 Za moc Le c 0 Ee Hh iet dmt ey ZMU05418 1 Tachometer 2 Trim meter 3 Multifunction display 4 Water detection warning indicator 5 Engine trouble warning maintenance indica tor 6 Cooling water pressure 7 Oil pressure 4 stroke models 8 Cooling water engine temperature 9 Battery voltage NOTE The tachometer unit shows various kinds of information according to the setting made using the set set and mode mode but tons For details see the attached operation manual Preoperation checks Place the gear shift lever in neutral and turn the main switch to ON on After all the dis plays come on and the total hour display comes on the gauge will change to normal operation If the buzzer sounds and the wa ter separator warning indicator blinks con sult your Yamaha dealer immediately NOTE To stop the buzzer press the set set or mode mode button Low oil pressure warning When the engine oil pressure drops too low the low oil pressure warning indicator will start to blink and the engine speed will auto matically decrease to about 2000 r min TACH 2 N ZMU054
12. Neutral N 2 Forward F 3 Reverse R 4 Shift 5 Fully closed 6 Throttle 7 Fully open 14 ZMU04573 1 Neutral N 2 Forward F 3 Reverse R 4 Shift 5 Fully closed 6 Throttle 7 Fully open EMU26201 Neutral interlock trigger To shift out of neutral first pull the neutral in terlock trigger up B E 4 3 ZMU01727 1 Neutral interlock trigger EMU26211 Neutral throttle lever To open the throttle without shifting into ei ther forward or reverse put the remote con trol lever in the neutral position and lift the neutral throttle lever Basic components NOTE The neutral throttle lever will operate only when the remote control lever is in neutral The remote control lever will operate only when the neutral throttle lever is in the closed position 1 Fully open 2 Fully closed EMU26232 Free accelerator To open the throttle without shifting into ei ther forward or reverse push the free accel erator button and move the remote control lever ZMU04575 1 Fully open 2 Fully closed 3 Free accelerator NOTE e The free accelerator button can only be used when the remote control lever is in the neutral position e After the button is pushed the throttle be gins to open after the remote control lever is moved at least 35 e After using the free accelerator return the remote control lever to the neutral position The free
13. Tilt the outboard motor down Check that the tilt rod and trim rods operate smoothly Maintenance NOTE Consult your Yamaha dealer if any operation is abnormal EMU29171 Checking propeller EWM00321 You could be seriously injured if the en gine accidentally starts when you are near the propeller e Before inspecting removing or install ing the propeller remove the spark plug caps from the spark plugs Also place the shift control in neutral turn the main switch to OFF off and re move the key and remove the lanyard from the engine stop switch Turn off the battery cut off switch if your boat has one e Do not use your hand to hold the pro peller when loosening or tightening the propeller nut Put a wood block be tween the anti cavitation plate and the propeller to prevent the propeller from turning ZMU04262 69 Maintenance 2 001897 Checkpoints e Check each of the propeller blades for wear erosion from cavitation or ventila tion or other damage e Check the propeller shaft for damage e Check the splines shear pin for wear or damage e Check for fish line tangled around the pro peller shaft 2 001803 e Check the propeller shaft oil seal for dam age NOTE If the shear pin equipped it is designed to break if the propeller hits a hard underwater obstacle to help protect the propeller and drive mechanism The propeller will then spin freely on th
14. Type 4 stroke L Displacement 1741 0 cm 106 24 cu in 56 Bore x stroke 79 0 x 88 8 mm 3 11 x 3 50 in Ignition system TCI Spark plug NGK LFR6A 11 Spark plug gap 1 0 1 1 mm 0 039 0 043 Control system Remote control Starting system Electric Starting carburetion system Electronic fuel injection Valve clearance cold engine IN 0 17 0 23 mm 0 0067 0 0091 Valve clearance cold engine EX 0 31 0 37 mm 0 0122 0 0146 in Min cold cranking amps CCA SAE 380 0 A Min marine cranking amps MCA ABYC 502 0A Min reserve capacity RC SAE 124 minutes Alternator output for battery DC 25 0A Drive unit Gear positions Forward neutral reverse Gear ratio 2 15 28 13 Trim and tilt system Power trim and tilt Propeller mark F115TRK LF115TR KL Fuel and oil Recommended fuel Regular unleaded gasoline Min pump octane 86 Recommended engine oil 4 stroke outboard motor oil Engine oil grade API API SE SF SG SH SJ SL Engine oil type SAE SAE10W30 or SAE10W40 Lubrication Wet sump Engine oil quantity excluding oil filter 4 3 L 4 55 US qt 3 78 Imp qt Recommended gear oil Hypoid gear oil SAE 90 Gear oil quantity F115TR 760 0 cm 25 70 US oz 26 81 Imp oz LF115TR 715 0 cm 24 17 US oz 25 22 Imp oz Tightening torque for engine Spark plug 25 0 Nm 18 4 ft lb 2 55 kgf m Propeller nut 55 0 Nm 40 6 ft lb 5 61 kgf m Engine oil drain bolt 28
15. a Yamaha dealer out side the United States or Canada may not have all of the replacement parts or technical information available to provide proper service This may unavoidably delay repairs Thank you for your understanding should this happen 3 If your Yamaha is registered or used primarily outside the United States or Canada the warranty printed in this manual does not apply to you Contact the dealer who sold the Yamaha marine power unit to you for customer support information 2 005199 88 YAMAHA YAMAHA MOTOR CORPORATION USA Printed in Japan April 2006 2 1 x 1 A Printed on recycled paper VAMAHA OUTBOARD MOTOR WARRANTY REGISTRATION ENREGISTREMENT DE LA GARANTIE DU MOTEUR HORS BORD Please complete and mail this card This information is necessary to accurately register your unit for warranty Veuillez signer ci dessous pour attester que le montage et l inspection ont t faits dans le respect des directives d inspection et que la marche suivre pour la garantie et l entretien a t expliqu e l acheteur au d tail OUTBOARD MOTOR MODEL AND SERIAL NUMBER From I D label on clamp bracket For Dealer Use Only MODELE ET NO DE S RIE DU MOTEUR HORS BORD sur l tiquette d identification de la presse de fixation A l usage du concessionnaire YAMAHA MOTOR CO E YAMAHA DEALER NUMBER DEALER NAME YA M A H A PR Or ee RARE gt ar MADE IN JAPAN PAYS D ORIGINE JAPON NOM DU CONCESSIONNAIRE
16. and speed except to avoid an immediate collision When you maintain your direction and speed the other vessel will be able to determine how best to avoid you Give way vessel The vessel which does not have the right of way has the duty to take positive and timely action to stay out of the way of the Stand On vessel Normally you should not cross in front of the vessel with the right of way You should slow down or change directions brief ly and pass behind the other vessel You should always move in such a way that the operator of the other vessel can see what you are doing The general prudential rule This rule is called Rule 2 in the International Rules and says In obeying and construing these rules due regard shall be had to all dangers of naviga tion and collision and to any special circum stances which may render a departure from the above rules necessary in order to avoid immediate danger In other words follow the standard rules ex cept when a collision will occur unless both vessels try to avoid each other If that is the case both vessels become Give Way ves sels EMU25520 Rules when encountering vessels There are three main situations which you may encounter with other vessels which could lead to a collision unless the Steering Rules are followed Meeting you are approaching another ves General information sel head on Crossing you are traveling across the oth er vessel s
17. areas well ventilat ed Avoid blocking exhaust outlets Check throttle shift and steering for prop er operation before starting the engine Attach the engine stop switch lanyard cord to a secure place on your clothing or your arm or leg while operating If you acciden tally leave the helm the cord will pull from General information the switch stopping the engine e Know the marine laws and regulations where you will be boating and obey them For basic boating rules see Rules of the road on page 5 e Stay informed about the weather Check weather forecasts before boating Avoid boating in hazardous weather e Tell someone where you are going leave a Float Plan with a responsible person Be sure to cancel the Float Plan when you re turn e Use common sense and good judgment when boating Know your abilities and be sure you understand how your boat han dles under the different boating conditions you may encounter Operate within your limits and the limits of your boat Always operate at safe speeds and keep a careful watch for obstacles and other traffic e Always watch carefully for swimmers dur ing the engine operation e Stay away from swimming areas e When a swimmer is in the water near you shift into neutral and shut off the engine e Do not illegally discard empty containers used to replace or replenish oil For the correct processing of empty containers consult the dealer where you purchased the
18. better results e For cooling system flushing instructions see page 57 EMU28450 Cleaning the outboard motor After use wash the exterior of the outboard motor with fresh water Flush the cooling system with fresh water ZMU04265 NOTE For cooling system flushing instructions see page 57 EMU28460 Checking painted surface of motor Check the motor for scratches nicks or flak ing paint Areas with damaged paint are more likely to corrode If necessary clean and paint the areas A touch up paint is avail able from your Yamaha dealer Maintenance EMU28486 Periodic maintenance EWM01070 Be sure to turn off the engine when you perform maintenance unless otherwise specified If you or the owner is not famil iar with machine servicing this work should be done by your Yamaha dealer or other qualified mechanic Maintenance replacement or repair of the emission control devices and sys tems may be performed by any marine engine repair establishment or individual All warranty repairs however including those to the emission control system must be performed by an authorized Yamaha marine dealership A service manual is available for purchase through your Yamaha dealer for owners who have the mechanical skills tools and other equipment necessary to perform mainte nance not covered by this owner s manual EMU28510 Replacement parts If replacement parts are necessary use only genuine Ya
19. bolt Q Is steering pivot loose or damaged A Tighten or have serviced by a Yamaha dealer EMU29433 Temporary action in emergency EMU29440 Impact damage EWM00870 The outboard motor can be seriously 78 damaged by a collision while operating or trailering Damage could make the out board motor unsafe to operate If the outboard motor hits an object in the wa ter follow the procedure below 1 Stop the engine immediately 2 Inspect the control system and all com ponents for damage Also inspect the boat for damage 3 Whether damage is found or not return to the nearest harbor slowly and careful ly 4 Have a Yamaha dealer inspect the out board motor before operating it again EMU29450 Running single engine When using only engine in an emergency be sure to keep the unused one tilted up and op erate the other engine at low speed ECMO00370 CAUTION If the boat is operated with one engine in the water but not running water may run into the exhaust pipe due to wave action causing engine trouble NOTE When you are maneuvering at low speed such as near a dock it is recommended that both engines be running with one in neutral gear if possible Trouble Recover EMU29480 Replacing fuse If the fuse has blown on an electric start model remove the electrical cover open the fuse holder and replace the fuse with a new one of the proper amperage EWM00630 Be sure t
20. filter 4 3 L 4 55 US qt 3 78 Imp qt Maintenance 2 004271 1 Oil filler 5 Start the engine and watch to make sure the low oil pressure warning indicator if equipped turns off Make sure that there are no oil leaks ECMO00680 CAUTION If the low oil pressure warning indicator does not turn off or if there are oil leaks stop the engine and find the cause Con tinued operation with a problem could cause severe engine damage Consult your Yamaha dealer if the problem can not be located and corrected 6 Turn off the engine and wait 3 minutes Recheck the oil level using the dipstick to be sure the level falls between the up per and lower marks Fill with oil if it is below the lower mark or drain to the specified level if it is above the upper mark 67 Maintenance ZMUO2058 7 Dispose of used oil according to local regulations NOTE e For more information on the disposal of used oil consult your Yamaha dealer e Change the oil more often when operating the engine under adverse conditions such as extended trolling EMU291 12 Checking wiring and connectors e Check that each grounding wire is properly secured e Check that each connector is engaged se curely EMU29120 Exhaust leakage Start the engine and check that no exhaust leaks from the joints between the exhaust cover cylinder head and body cylinder 68 EMU29130 Water leakage Start the engine a
21. interlock trigger if position equipped and move the remote control lever quickly and firmly from neutral to forward 2 005219 2 Move the gear shift lever quickly firmly from neutral to reverse 2 005221 2 004597 Remote control models 1 Pull up the neutral interlock trigger if equipped and move the remote control lever quickly and firmly from neutral to reverse 46 Operation ZMU04598 EMU27820 Stopping engine Before stopping the engine first let it cool off for a few minutes at idle or low speed Stop ping the engine immediately after operating at high speed is not recommended EMU27844 Procedure 1 Push and hold the engine stop button or turn the main switch to OFF off ZMU05209 ZMU04600 ZMU05223 2 After stopping the engine disconnect the fuel line if there is a fuel joint on the outboard motor 3 Tighten the air vent screw on the fuel tank cap if equipped 4 Remove the key if the boat will be left unattended NOTE The engine can also be stopped by pulling the lanyard and removing the lock plate from the engine stop switch then turning the main 47 Operation switch to OFF off EMU27861 Trimming outboard motor The trim angle of the outboard motor helps determine the position of the bow of the boat in the water Correct trim angle will help im prove performance and fuel economy while reducing str
22. lever tilt support knob be comes free 2 Release the tilt support lever or pull out the tilt support knob 3 Push the power trim and tilt switch pow er tilt switch DN down to lower the out board motor to the desired position Operation EMU28060 Cruising in shallow water The outboard motor can be tilted up partially DN 3 C7 to allow operation in shallow water EMU28090 Power trim and tilt models power tilt models The outboard motor can be tilted up partially to allow operation in shallow water 2 001936 EWM00660 e Place the gear shift in neutral before setting up for shallow water cruising e Return the outboard motor to its normal position as soon as the boat is back in deeper water ECM00260 CAUTION Do not tilt the outboard motor up so that the cooling water inlet on the lower unit is above the surface of the water when set ting up for and cruising in shallow water Otherwise severe damage from overheat ing can result EMU28185 Procedure for power trim and tilt power tilt models 1 Place the remote control lever gear shift lever in neutral F ZMU03525 ZMU05228 53 Operation ZMU04588 2 005215 2 Slightly tilt the outboard motor to the desired position using the power trim and tilt switch power tilt switch 8 2 005226 3 To return the outboard motor to the nor 7 001935 mal ru
23. motor EWM00820 e Overpowering a boat could cause se vere instability Do not install an out board motor with more horsepower than the maximum rating on the capac ity plate of the boat If the boat does not have a capacity plate consult the boat manufacturer e The information presented in this sec tion is intended as reference only It is not possible to provide complete in structions for every possible boat and motor combination Proper mounting depends in part on experience and the 38 specific boat and motor combination EWM00830 Improper mounting of the outboard mo tor could result in hazardous conditions such as poor handling loss of control or fire hazards Observe the following e For permanently mounted models your dealer or other person experienced in proper rigging should mount the motor If you are mounting the motor yourself you should be trained by an experi enced person e For portable models your dealer or oth er person experienced in proper out board motor mounting should show you how to mount your motor Mount the outboard motor on the center line keel line of the boat and ensure that the boat itself is well balanced Otherwise the boat will be hard to steer For boats without a keel or which are asymmetrical consult your dealer a ZMUO1760 1 Center line keel line Operation uer ZMUO1761 1 1 Center line keel line EMU26930 Mounting height bo
24. oil e When replacing oils used to lubricate the product engine or gear oil be sure to wipe away any spilt oil Never pour oil with out using a funnel or similar device If nec essary verify the necessary replacement procedure with the dealer e Never illegally discard dump the product Yamaha recommends consulting the deal er on discarding the product Be informed about boating safety Additional publications and information can be obtained from many organizations including the fol lowing United States Coast Guard Consumer Affairs Staff G BC Office of Boating Public and Consumer Af fairs U S Coast Guard Headquarters Washington D C 20593 0001 Boating Safety Hotline 1 800 368 5647 National Marine Manufacturers Associa tion NMMA 401 N Michigan Ave Chicago II 60611 Marine Retailers Association of America 155 N Michigan Ave Chicago II 60601 EMU25382 Important labels EMU25395 Warning labels ZMU04275 EMU25401 Label EWM01260 e Be sure shift control is in neutral before starting engine except 2HP e Do not touch or remove electrical parts when starting or during operation e Keep hands hair and clothes away from flywheel and other rotating parts while engine is running EMU25413 Label counter rotation models EWMO1281 Use only a counterclockwise rotation propeller with this engine Counterclockwise propellers are marked with a letter L after
25. readings SPEED Ocee TRIP TIME BATT ZMUO1745 EMU26720 Fuel warning indicator If the fuel level decreases to one segment the fuel level warning segment will begin to blink ECM00880 CAUTION Do not continue to operate the engine with full throttle if a warning device has activated Get back to the port within troll ing engine speed YAMAHA 2 001746 1 Fuel level warning segment EMU26730 Low battery voltage warning indicator If battery voltage drops the display will auto matically turn on and begin to blink ECMO00870 CAUTION Get back to the port soon if a warning de vice has activated For charging the bat tery consult your Yamaha dealer YAMAHA ZMUO1747 1 Low battery indicator EMU26740 Fuel management meter The fuel management meter shows the state of the fuel consumption while the engine is running YAMAHA FUEL MANAGEMENT 2 001748 1 Fuel flow meter 2 Fuel consumption meter Fuel economy meter Twin engine speed synchronizer 3 Water separator warning indicator operates only if the sensor has been installed NOTE After the main switch is first turned on all 27 Basic components segments of the display come on as a test After a few seconds the gauge will change to normal operation Watch the gauge when turning on the main switch to make sure all segments come on EMU26750
26. starting or during operation e Keep hands hair and clothes away from the flywheel and other rotating parts while the engine is running 00490 CAUTION This procedure must be performed while the outboard motor is in the water A flushing attachment or test tank can be used A diagnostic tachometer should be used for this procedure Results may vary depending on whether testing is conducted with the flushing attachment in a test tank or with the outboard motor in the water 1 Start the engine and allow it to warm up fully in neutral until it is running smooth ly NOTE Correct idling speed inspection is only possi ble if the engine is fully warmed up If not warmed up fully the idle speed will measure higher than normal If you have difficulty ver ifying the idle speed or the idle speed re quires adjustment consult a Yamaha dealer or other qualified mechanic 2 Verify whether the idle speed is set to specification For idle speed specifica tions see page 56 EMU29073 Changing engine oil EWM00760 e Avoid draining the engine oil immedi ately after stopping the engine The oil 66 is hot and should be handled with care to avoid burns e Be sure the outboard motor is securely fastened to the transom or a stable stand ECMO00970 CAUTION e Do not overfill the oil and be sure the outboard motor is upright not tilted when checking and changing the en gine oil e If the oil lev
27. the top cowling by push ing it with both hands If it is loose have it re paired by your Yamaha dealer ZMUO1812 EMU29400 Coating the boat bottom A clean hull improves boat performance The boat bottom should be kept as clean of ma rine growth as possible If necessary the boat bottom can be coated with an anti foul ing paint approved for your area to inhibit marine growth Do not use anti fouling paint which includes copper or graphite These paints can cause more rapid engine corrosion ZMU04246 Trouble Recovery EMU29424 Troubleshooting A problem in the fuel compression or igni tion systems can cause poor starting loss of power or other problems This section de scribes basic checks and possible remedies and covers all Yamaha outboard motors Therefore some items may not apply to your model If your outboard motor requires repair bring it to your Yamaha dealer If the engine trouble warning indicator is flashing consult your Yamaha dealer Starter will not operate Q Is battery capacity weak or low A Check battery condition Use battery of recommended capacity Q Are battery connections loose or corrod ed A Tighten battery cables and clean battery terminals Q Is fuse for electric start relay or electric cir cuit blown A Check for cause of electric overload and repair Replace fuse with one of correct am perage Q Are starter components faulty A Have serviced by a Yamaha
28. to assist you in ordering spare parts from your Yamaha dealer or for reference in case your outboard motor is sto len 1 Outboard motor serial number location YAMAHA MOTOR CO IN JAPAN PAYS D ORIGINE JAPON 2 001692 EMU25190 Key number If a main key switch is equipped with the mo tor the key identification number is stamped on your key as shown in the illustration Record this number in the space provided for reference in case you need a new key General information ZMU01693 2 001694 1 Key number EMU25221 Emission control information EMU25230 North American models This engine conforms to U S Environmental Protection Agency EPA regulations for ma rine SI engines See the label affixed to your engine for details EMU31560 Approval label of emission control certif icate This label is attached to the bottom cowling New Technology 4 stroke MFI i ZMU04276 1 Approval label location General information CALIFORNIA AND U S EPA EMISSION REGULATIONS FOR SI MARINE ENGINES REFER TO THE OWNER S MANUAL FOR MAINTENANCE SPECIFICATIONS AND ADJUSTMENTS IDLE SPEED t IN NEUTRAL SPARK PLUG GAP mm 221 FUEL GASOLINE ZMU05386 EMU25262 Manufactured date label This label is attached to the clamp bracket or the swivel bracket 1 ZMU04277
29. vent screw is loosened gasoline vapor will be released Gaso line is highly flammable and its vapors are flammable and explosive Refrain from smoking and keep away from open flames and sparks while loosen ing the air vent screw e This product emits exhaust gases which contain carbon monoxide a col orless odorless gas which could cause brain damage or death when inhaled Symptoms include nausea dizziness 41 Operation and drowsiness Keep cockpit and cab in areas well ventilated Avoid blocking exhaust outlets 1 If there is an air vent screw on the fuel tank cap loosen it 2 or 3 turns 2 Ifthere is a fuel joint or a fuel cock on the boat firmly connect the fuel line to the joint or open the fuel cock 3 Squeeze the primer pump with the ar row pointing up until you feel it become firm 2 001770 1 Arrow EMU27490 Starting engine EMU27592 Electric start prime start models 1 Place the gear shift lever in neutral 2 005215 NOTE The start in gear protection device prevents the engine from starting except when in neu 42 tral 2 Attach the engine stop switch lanyard to a secure place on your clothing or your arm or leg Then install the lock plate on the other end of the lanyard into the en gine stop switch EWM00120 e Attach the engine stop switch lanyard to a secure place on your clothing or your arm or leg while operating e Do not att
30. 208 1 Lanyard 2 Lock plate EMU26001 Engine stop button To open the ignition circuit and stop the en gine push this button ZMU05209 EMU26090 Main switch The main switch controls the ignition system its operation is described below e OFF off With the main switch in the OFF off posi tion the electrical circuits are off and the key can be removed e ON on With the main switch in the ON on posi tion the electrical circuits are on and the key cannot be removed e START start With the main switch in the START start po sition the starter motor turns to start the en 18 gine When the key is released it returns automatically to the ON on position orrONsraRT 2 001718 ON Wy WwW W YAMAHA A ZMU04566 ZMU05210 EMU26111 Steering friction adjuster A friction device provides adjustable resis tance to the steering mechanism and can be set according to operator preference An ad juster lever is located on the bottom of the tiller handle bracket To increase resistance turn the lever to the port side A Basic components To decrease resistance turn the lever to the starboard side B EWMO00040 Do not overtighten the friction adjuster If there is too much resistance it could be difficult to steer which could result in an accident P ZMU03591 1 e Check the tiller ha
31. 30 TACH 5 4 H LL NS RUE 2 7 N 2 005431 Stop the engine immediately if the buzzer sounds and the low oil pressure warning in dicator blinks Check the engine oil quantity and replenish oil if necessary If the warning 31 Basic components device has activated while the appropriate engine oil quantity is maintained consult your Yamaha dealer ECM01600 CAUTION Do not continue to run the engine if the low oil pressure warning device has acti vated Serious engine damage will occur Overheat warning If the engine temperature rises too high while cruising the overheat warning indicator will start to blink The engine speed will automat ically decrease to about 2000 r min TACH S ZMUO5421 TACH 5 4 L i Lcx 2 zu o 7 N ZMU05422 Stop the engine immediately if the buzzer sounds and the overheat warning device has activated Check the cooling water inlet for clogging ECM01590 CAUTION e Do not continue to run the engine if the overheat warning indicator blinks Seri 32 ous engine damage will occur e Do not continue to operate the engine if a warning device has activated Con sult your Yamaha dealer if the problem cannot be located and corrected Water separator warning This indicator will blink when water has accu mulated in the water separator fuel filter while cruising In such an event stop the
32. 8910 NOTE Inspection replace ment When using lead or high sulfur gasoline inspecting valve clearance may be required more frequently than every 500 hours 63 Maintenance EMU28931 Greasing Yamaha marine grease Water resistant grease F115 LF115 EMU28952 Cleaning and adjusting spark plug EWMO0560 When removing or installing a spark plug be careful not to damage the insulator A damaged insulator could allow external sparks which could lead to explosion or fire The spark plug is an important engine com ponent and is easy to inspect The condition of the spark plug can indicate something about the condition of the engine For exam ple if the center electrode porcelain is very white this could indicate an intake air leak or carburetion problem in that cylinder Do not 64 ZMU04266 attempt to diagnose any problems yourself Instead take the outboard motor to a Yamaha dealer You should periodically re move and inspect the spark plug because heat and deposits will cause the spark plug to slowly break down and erode If electrode erosion becomes excessive or if carbon and other deposits are excessive you should re place the spark plug with another of the cor rect type Standard spark plug LFR6A 11 Before fitting the spark plug measure the electrode gap with a wire thickness gauge adjust the gap to specification if necessary ZMUO1797 1 Spark plug gap
33. D FUEL Ex TE gU B E PS PCS th gph ZMU05429 1 Tachometer unit Square type 2 Tachometer unit Round type 1 3 Speedometer unit Square type 4 Speed amp fuel meter unit Square type 2 5 Speed amp fuel meter unit Round type 6 Fuel management meter Square type 7 EMU26180 Remote control The remote control lever actuates both the shifter and the throttle The electrical switch es are mounted on the remote control box 1 Power trim and tilt switch 2 Remote control lever 3 Neutral interlock trigger 4 Neutral throttle lever 5 Main switch choke switch 6 Engine stop lanyard switch 7 Throttle friction adjuster d f WY 2 001723 13 Basic components 1 ZMU04569 1 Remote control lever 2 Power trim and tilt switch 3 Free accelerator 4 Throttle friction adjuster EMU26190 Remote control lever Moving the lever forward from the neutral po sition engages forward gear Pulling the le ver back from neutral engages reverse The engine will continue to run at idle until the le ver is moved about 35 a detent can be felt Moving the lever farther opens the throttle and the engine will begin to accelerate F 1 R 2 4 4 3 X ZMUO1725 1
34. E TO STATE YAMAHA MOTOR CORPORATION USA 1270 Chastain Road Kennesaw GA 30144 ZMU01688 87 Consumer information EMU29841 IMPORTANT WARRANTY INFORMATION IF YOU USE YOUR YAMAHA OUTSIDE THE USA OR CANADA Welcome to the Yamaha Family Congratulations on the purchase of your new Yamaha Products Yamaha is commit ted to exceptional customer satisfaction and we want your ownership experience to be a satisfying one Please read the following warranty information to help ensure satisfaction with your Yamaha This model was manufactured as a USA specification model and the warranty statement shown in this manual is for the United States market Please note the following information 1 As explained in the Limited Warranty Statement the Yamaha warranty covers your Yamaha when it is registered and used in the United States or Canada 2 f you need repairs while temporarily using your Yamaha in another country contact the local authorized Yamaha distributor for that country Yamaha will work with that dis tributor to make the needed repairs as quickly as possible If you have to pay for a repair that you believe your warranty would have covered at home present all repair orders receipts or other related documents to your local dealer when you return home He will be able to contact Yamaha on your behalf to see if any refund can be provided NOTE 2 2220202020020 Your Yamaha model may not be sold in some countries Therefore
35. Fuel flow meter The fuel flow meter displays the amount of fuel flow over a one hour period at the cur rent rate of engine operation If twin engines are installed on your boat the fuel flow meter displays the total fuel flow of both the port and starboard engines It also displays P S for port and starboard YAMAHA FUEL MANAGEMENT uan 7 CI Lits PS BRAA S ovo Vv v TTL ECON SYNC 2 001749 Use the set set button to rotate the fuel flow display in the following order e Press the set set button once to display the fuel flow of the starboard engine An S for starboard will also be displayed e Press the set set button a second time to display the fuel flow of the port engine A P for port will also be displayed e Press the set set button a third time to return the display to the total fuel flow of both engines P S for port and starboard will also be displayed to indicate both the port and starboard engines NOTE e The fuel flow meter displays gallons hour or liters hour according to operator prefer ence Select the desired unit of measure 28 ment by setting the selector switch on the back of the gauge during installation 2 001750 1 Selector switch e The fuel consumption meter and fuel economy meter will indicate the same unit of measurement EMU26760 Fuel consumption meter This gauge displays the total amount of fu
36. Remove the flushing attachment and wipe off any excess water 9 Install the silencer cover cap and top cowling Install the propeller NOTE A flushing attachment is available from your Yamaha dealer EMU28401 Lubrication 1 Grease the spark plug threads and in stall the spark plug s and torque to proper specification For information on spark plug installation see page 64 2 Change the gear oil For instructions see page 71 Inspect the oil for the pres ence of water that indicates a leaky seal Seal replacement should be performed by an authorized Yamaha dealer prior to use 3 Grease all grease fittings For further de tails see page 64 EMU30261 Cleaning and anticorrosion measures 1 Wash down the exterior of the outboard motor with fresh water and dry off com Maintenance pletely 2 Spray the outboard motor exterior with Yamaha Silicone Protectant Part No LUB SILCNE 13 00 ECM01401 CAUTION Do not spray when the engine is running Also do not spray near the silencer or into the engine Otherwise the engine could be damaged 3 Wax the cowling with a non abrasive wax such as Yamaha Silicone Wax Part No ACC 11000 15 02 EMU28430 Battery care EWM00330 Battery electrolytic fluid is dangerous it contains sulfuric acid and therefore is poisonous and highly caustic Always follow these preventive mea sures e Avoid bodily contact with electrolytic fluid as i
37. YAMAHA F115 LF115 OWNER S MANUAL U S A Edition LIT 18626 07 13 68V 28199 18 EMU25060 A WARNING The engine exhaust from this product contains chemicals known to the State of California to cause cancer birth defects or other reproductive harm YAMAHA LIT CALIF 65 01 ZMUO1690 Read this owner s manual carefully before operating your outboard motor Important manual information EMU31280 To the owner Thank you for choosing a Yamaha outboard motor This Owner s Manual contains infor mation needed for proper operation mainte nance and care A thorough understanding of these simple instructions will help you ob tain maximum enjoyment from your new Yamaha If you have any question about the operation or maintenance of your outboard motor please consult a Yamaha dealer In this Owner s Manual particularly important information is distinguished in the following Ways A The Safety Alert Symbol means ATTENTION BECOME ALERT YOUR SAFETY IS INVOLVED EWM00780 Failure to follow WARNING instructions could result in severe injury or death to the machine operator a bystander or a person inspecting or repairing the out board motor 00700 CAUTION A CAUTION indicates special precautions that must be taken to avoid damage to the outboard motor NOTE A NOTE provides key information to make procedures easier or clearer Yamaha continually seeks advancements in product design an
38. accelerator button will return au tomatically to its set position The remote control will then engage forward and re verse normally EMU25911 Tiller handle To change direction move the tiller handle to the left or right as necessary ZMU05203 EMU25922 Gear shift lever Pulling the gear shift lever towards you puts the engine in forward gear so that the boat moves ahead Pushing the lever away from you puts the engine in reverse gear so that the boat moves astern 15 Basic components 2 005204 1 Forward 2 Neutral 3 Reverse R EMU25941 Throttle grip The throttle grip is on the tiller handle Turn the grip counterclockwise to increase speed and clockwise to decrease speed 2 005205 EMU25961 Throttle indicator The fuel consumption curve on the throttle indicator shows the relative amount of fuel consumed for each throttle position Choose the setting that offers the best performance and fuel economy for the desired operation 16 ey je ZMU05206 1 Throttle indicator EMU25971 Throttle friction adjuster A friction device provides adjustable resis tance to movement of the throttle grip or the remote control lever and can be set accord ing to operator preference To increase resistance turn the adjuster clockwise To decrease resistance turn the adjuster counterclockwise EWMO0031 Do not overtighten the friction a
39. ach the lanyard to clothing that could tear loose Do not route the lanyard where it could become entan gled preventing it from functioning e Avoid accidentally pulling the lanyard during normal operation Loss of en gine power means the loss of most steering control Also without engine power the boat could slow rapidly This could cause people and objects in the boat to be thrown forward ZMU05216 3 Place the throttle grip in the START start position After the engine starts return the throttle to the fully closed po sition Operation ZMU05217 4 Turn the main switch to START start and hold it for a maximum of 5 seconds OFF P c NI ZMU05218 5 Immediately after the engine starts re lease the main switch and allow it to re turn to ON on ECMO00191 CAUTION e Never turn the main switch to START start while the engine is running e Do not keep the starter motor turning for more than 5 seconds If the starter motor is turned continuously for more than 5 seconds the battery will be quickly discharged thus making it im possible to start the engine The starter can also be damaged If the engine will not start after 5 seconds of cranking return the main switch to ON on wait 10 seconds then crank the engine again NOTE e When the engine is cold it needs to be warmed up For further information see page 45 e f the engine is war
40. ack letters and orange boarders They signify speed zones restrict ed areas danger areas and general infor mation Remember markings may vary by geo graphic location Always consult local boat ing authorities before driving your boat in unfamiliar waters General information COLOR CODE E BLACK RED A GREEN Proceeding toward head of navigation from seaward CAN BUOY Odd number Leave to port NUN BUOY Even number Leave to starboard No change EMU25540 Fueling instructions EWMO0010 Se GASOLINE AND ITS VAPORS ARE HIGH LY FLAMMABLE AND EXPLOSIVE e Do not smoke when refueling and keep MAIN CHANNEL BUOYS wage ze LIGHTED BUOY Port Hand Odd number increasing toward head of naviga tion Leave to port left proceeding upstream White Light Green Light OR old new nme LIGHTED BUOY Starboard Hand 9 Even number increasing toward head of naviga tion Leave to starboard right proceeding up stream a White Light Red Light LIGHTED SAFE WATER BUOY No number Marks midchannel pass on either side Letter has no lateral significance used for identification and location purposes Top Mark white Light White Light RB L RG L LIGHTED PREFERRED CHANNEL PORT BUOY No number Topmost band red preferred channel is to left of buoy Letter has no lateral significance used for identification and location purposes Red Light new
41. ain its course and speed You must stay out of its way until you are clear of it Likewise if an other vessel is passing you you should maintain your speed and direction so that the other vessel can steer itself around you EMU25530 Other special situations There are three other rules you should be aware of when driving your boat around oth er vessels Narrow channels and bends When navigating in narrow channels you should keep to the right when it is safe and practical to do so If the operator of a power driven vessel is preparing to go around a bend that may obstruct the view of other wa ter vessels the operator should sound a pro longed blast on the whistle 4 to 6 seconds If another vessel is around the bend it too should sound the whistle Even if no reply is heard however the vessel should still pro ceed around the bend with caution If you navigate such waters with your boat you will need to carry a portable air horn available from local marine supply stores Fishing vessel right of way All vessels which are fishing with nets lines or trawls are considered to be fishing ves sels under the International Rules Vessels with trolling lines are not considered fishing vessels Fishing vessels have the right of way regardless of position Fishing vessels cannot however impede the passage of other vessels in narrow channels Sailing vessel right of way Sailing vessels should normally be given the right
42. ain on the engine Correct trim angle depends upon the combination of boat engine and propeller Correct trim is also affected by variables such as the load in the boat sea conditions and running speed EWMO00740 Excessive trim for the operating condi tions either trim up or trim down can cause boat instability and can make steering the boat more difficult This in creases the possibility of an accident If the boat begins to feel unstable or is hard to steer slow down and or readjust the trim angle 48 ZMU04258 1 Trim operating angle EMU27882 Adjusting trim angle Power trim and tilt models EWMO00751 e Be sure all people are clear of the out board motor when adjusting the tilt an gle also be careful not to pinch any body parts between the drive unit and clamp bracket e Use caution when trying a trim position for the first time Increase speed gradu ally and watch for any signs of instabil ity or control problems Improper trim angle can cause loss of control e If equipped with a power trim and tilt switch located on the bottom cowling use the switch only when the boat is at a complete stop with the engine off Do not adjust the trim angle with this Operation switch while the boat is moving Adjust the outboard motor trim angle using the power trim and tilt switch 2 001781 1 Power trim and tilt switch 1 Power trim and tilt switch UP 8 DN ud Ss
43. ained instead 3 Remove the top cowling and silencer 58 cover cap Remove the propeller 4 Install the flushing attachment over the cooling water inlet ECMO00300 CAUTION Do not run the engine without supplying it with cooling water Either the engine water pump will be damaged or the en gine will be damaged from overheating Before starting the engine be sure to supply water to the cooling water passag es ECM00310 CAUTION Avoid running the outboard motor at high speed while on the flushing attachment otherwise overheating could occur ZMUO1830 1 Flushing attachment 5 Cooling system flushing is essential to prevent the cooling system from clog ging up with salt sand or dirt In addi tion fogging lubricating of the engine is mandatory to prevent excessive engine damage due to rust Perform the flush ing and fogging at the same time EWMO00090 e Do not touch or remove electrical parts when starting or during operation e Keep hands hair and clothes away from the flywheel and other rotating parts while the engine is running 6 Run the engine at a fast idle for 10 15 minutes in neutral position while supply ing fresh water 7 Just prior to turning off the engine quick ly spray Yamaha Stor Rite Engine Fogging Oil Part No LUB STRRT 12 00 alternately into each carburetor each intake manifold When properly done the engine will smoke excessively and almost stall 8
44. ard and could distract the operator increasing the risk of collision with another boat or an obsta cle 1 Power trim and tilt switch NOTE e On the dual engine control the switch on the remote control grip controls both out board motors at the same time e For instructions on using the power trim and tilt switches see pages 48 and 50 1 Power trim and tilt switch NOTE For instructions on using the power trim and tilt switch see page 50 EMU26161 Power trim and tilt switches twin binnacle type The power trim and tilt system adjusts the outboard motor angle in relation to the tran som Pushing the switch UP up trims the outboard motor up then tilts it up Pressing the switch DN down tilts the outboard mo tor down and trims it down When the switch is released the outboard motor will stop in its current position 20 EMU26241 Trim tab with anode The trim tab should be adjusted so that the steering control can be turned to either the right or left by applying the same amount of force EWMO00840 An improperly adjusted trim tab could cause difficult steering Always test run after the trim tab has been installed or re placed to be sure steering is correct Be sure you have tightened the bolt after ad justing the trim tab If the boat tends to veer the left port side turn the trim tab rear end to the port side A in the figure If the boat tends to
45. at bottom To run your boat at optimum efficiency the water resistance drag of the boat and out board motor must be made as little as possi ble The mounting height of the outboard motor greatly affects the water resistance If the mounting height is too high cavitation tends to occur thus reducing the propulsion and if the propeller tips cut the air the engine speed will rise abnormally and cause the en gine to overheat If the mounting height is too low the water resistance will increase and thereby reduce engine efficiency Mount the outboard motor so that the anti cavitation plate is in alignment with the bottom of the boat 2 001874 NOTE e The optimum mounting height of the out board motor is affected by the boat motor combination and the desired use Test runs at different heights can help deter mine the optimum mounting height Con sult your Yamaha dealer or boat manufacturer for further information on de termining the proper mounting height e For instructions on setting the trim angle of the outboard motor see page 48 EMU30173 Breaking in engine Your new engine requires a period of break in to allow mating surfaces of moving parts to wear in evenly Correct break in will help en sure proper performance and longer engine life ECM00800 CAUTION Failure to follow the break in procedure could result in reduced engine life or even severe engine damage EMU27081 Procedure for 4 stroke model
46. by a Yamaha dealer Q Has warning system activated A Find and correct cause of warning Q Is spark plug gap incorrect A Inspect and adjust as specified Q Is ignition wiring damaged or poorly con nected A Check wires for wear or breaks Tighten all loose connections Replace worn or bro ken wires Q Is specified engine oil not being used A Check and replace oil as specified Q Is thermostat faulty or clogged A Have serviced by a Yamaha dealer Q Are carburetor adjustments incorrect A Have serviced by a Yamaha dealer Q Is fuel pump damaged A Have serviced by a Yamaha dealer Q Is air vent screw on fuel tank closed A Open air vent screw Q Is choke knob pulled out 76 A Return to home position Q Is motor angle too high A Return to normal operating position Q Is carburetor clogged A Have serviced by a Yamaha dealer Q Is fuel joint connection incorrect A Connect correctly Q Is throttle valve adjustment incorrect A Have serviced by a Yamaha dealer Q Is battery cable disconnected A Connect securely Warning buzzer sounds or indicator lights Q Is cooling system clogged A Check water intake for restriction Q Is engine oil level low A Fill oil tank with specified engine oil Q Is heat range of spark plug incorrect A Inspect spark plug and replace it with rec ommended type Q Is specified engine oil not being used A Check and replace oil w
47. ce Completely re charge the battery before using it 3 If the battery will be stored for longer than a month check the specific gravity of the fluid at least once a month and re charge the battery when it is low NOTE Consult a Yamaha dealer when charging or re charging batteries EMU29331 Connecting the battery EWMO00570 Mount the battery holder securely in a dry well ventilated vibration free loca 73 Maintenance tion in the boat Install a fully charged bat tery in the holder ECM01121 CAUTION e Make sure the main switch on applica ble models is OFF off before work ing on the battery e Reversal of the battery cables will dam age the electrical parts e Connect the red battery cable first when installing the battery and discon nect the black battery cable first when removing it Otherwise the electrical parts can be damaged e The electrical contacts of the battery and cables must be clean and properly connected or the battery will not start the engine Connect the red battery cable to the POSI TIVE terminal first Then connect the black battery cable to the NEGATIVE ter minal 1 ZMUO1811 1 Red cable 2 Black cable 3 Battery EMU29370 Disconnecting the battery Disconnect the BLACK cable from the NEG ATIVE terminal first Then disconnect the RED cable from the POSITIVE terminal 74 EMU29390 Checking top cowling Check the fitting of
48. clockwise 9 Give a strong pull straight out to crank and start the engine Repeat if neces sary ZMU04272 EMU29760 Treatment of submerged motor If the outboard motor is submerged immedi ately take it to a Yamaha dealer Otherwise some corrosion may begin almost immedi ately If you cannot immediately take the outboard motor to a Yamaha dealer follow the proce dure below in order to minimize engine dam age EMU29790 Procedure 1 Thoroughly wash away mud salt sea weed and so on with fresh water 2 Remove the spark plugs and face the spark plug holes downward to allow any water mud or contaminants to drain 3 Drain the fuel from the vapor separator fuel filter and fuel line 4 Feed fogging oil or engine oil through the intake manifold and spark plug holes while cranking with the emergency start er rope 5 Take the outboard motor to a Yamaha dealer as soon as possible ECMO00400 CAUTION Do not attempt to run the outboard motor until it has been completely inspected 83 Consumer information EMU29811 Important warranty information for U S A and Canada Welcome to the Yamaha Family Congratulations on the purchase of your new Yamaha marine power Yamaha is commit ted to exceptional customer satisfaction and we want your ownership experience to be a satisfying one Please read the following warranty information to help ensure satisfac tion with your Yamaha Yamaha is ready to
49. ctions 8 Gasoline epe tte 9 Engine oil 9 Battery requirement 10 Battery specifications 10 Propeller selection 10 Start in gear protection 11 Basic components 12 Main components 12 Remote 13 Remote control lever 14 Neutral interlock trigger 14 Neutral throttle 14 Free accelerator 15 Tiller handle 15 Gear shift 15 Throttle grip 16 Throttle indicator 16 Throttle friction adjuster 16 Engine stop lanyard switch 17 Engine stop button 18 Main switch 18 Steering friction adjuster 18 Power trim and tilt switch on remote control or tiller handle 19 Power trim and tilt switch on bottom engine cowling 19 Power trim and tilt switches twin binnacle type 20 Trim tab with anode 20 Tilt support lever for power trim and tilt or hydro tilt model 21 Top cowling lock lever pull
50. d quality Therefore while this manual contains the most current prod uct information available at the time of print ing there may be minor discrepancies between your machine and this manual If there is any question concerning this manu al please consult your Yamaha dealer NOTE The F115TR LF115TR and the standard ac cessories are used as a base for the expla nations and illustrations in this manual Therefore some items may not apply to ev ery model EMU25110 F115 LF115 OWNER S MANUAL 2006 by Yamaha Motor Corporation USA 1st edition March 2006 All rights reserved Any reprinting or unauthorized use without the written permission of Yamaha Motor Corporation USA is expressly prohibited Printed in Japan P N LIT 18626 07 13 Table of contents General information 1 Identification numbers record 1 Outboard motor serial number 1 Key number 1 Emission control information 1 North American models 1 Star labels ee 2 Safety information 3 Important 4 Warning labels 4 Basic boating rules Rules of the road cese he arte 7 5 Steering and sailing rules and sound 5 5 Rules when encountering vessels 5 Other special situations 6 Fueling instru
51. dealer Q Is shift lever in gear A Shift to neutral Engine will not start starter operates Q Is fuel tank empty A Fill tank with clean fresh fuel Q Is fuel contaminated or stale A Fill tank with clean fresh fuel Q Is fuel filter clogged A Clean or replace filter Q Is starting procedure incorrect A See page 42 Q Has fuel pump malfunctioned A Have serviced by a Yamaha dealer Q Are spark plug s fouled or of incorrect type A Inspect spark plug s Clean or replace with recommended type Q Are spark plug cap s fitted incorrectly A Check and re fit cap s Q Is ignition wiring damaged or poorly con nected A Check wires for wear or breaks Tighten all loose connections Replace worn or bro ken wires Q Are ignition parts faulty A Have serviced by a Yamaha dealer Q Is engine stop switch lanyard not at tached A Attach lanyard Q Are engine inner parts damaged A Have serviced by a Yamaha dealer Engine idles irregularly or stalls Q Are spark plug s fouled or of incorrect type A Inspect spark plug s Clean or replace with recommended type 75 Trouble Recovery Q Is fuel system obstructed A Check for pinched or kinked fuel line or other obstructions in fuel system Q Is fuel contaminated or stale A Fill tank with clean fresh fuel Q Is fuel filter clogged A Clean or replace filter Q Have ignition parts failed A Have serviced
52. display depth display and clock will be available For the optional sensor consult your Yamaha dealer The speed amp fuel meter unit is avail able in round or square types Check your speed amp fuel meter unit type 33 Basic components SPEED FUEL 1 T TT 2 ZMU05432 1 Set button 2 Mode button 1 SPEED FUEL g E EN ar ax e ER knots ZMU05433 1 Speedometer 2 Fuel meter 3 Multifunction display SPEED FUEL ZMU05434 1 Set button 2 Mode button 34 1 2 SPEED FUEL e CECI o mph ME y mile FLOW a xu x ECON N f CRC m ATEN ESS EN OC 3 ZMU05435 1 Speedometer 2 Fuel meter 3 Multifunction display NOTE After the main switch is first turned on all the displays come on as a test After a few sec onds the gauge will change to normal oper ation NOTE The speed amp fuel meter unit shows various kinds of information according to the setting made with the set set and mode mode buttons For details see the attached opera tion manual EMU31620 Speedometer unit This unit shows the boat speed and has functions of fuel meter and system voltage display If optional sensors are connected to the unit trip display water surface tempera ture display depth display and clock will be available For the optional sensor consult your Yamaha deal
53. djuster If there is too much resistance it could be difficult to move the remote control lever or throttle grip which could result in an accident ZMUO1714 Basic components ZMU05207 When constant speed is desired tighten the adjuster to maintain the desired throttle set ting EMU25990 Engine stop lanyard switch The lock plate must be attached to the en gine stop switch for the engine to run The lanyard should be attached to a secure place on the operators clothing or arm or leg Should the operator fall overboard or leave the helm the lanyard will pull out the lock plate stopping ignition to the engine This will prevent the boat from running away un der power EWM00120 e Attach the engine stop switch lanyard to a secure place on your clothing or your arm or leg while operating e Do not attach the lanyard to clothing that could tear loose Do not route the lanyard where it could become entan gled preventing it from functioning e Avoid accidentally pulling the lanyard during normal operation Loss of en gine power means the loss of most steering control Also without engine power the boat could slow rapidly This could cause people and objects in the boat to be thrown forward NOTE The engine cannot be started with the lock plate removed 2 001716 1 Lanyard 2 Lock plate wo 85 LE E ZMU04564 A 1 Lanyard 2 Lock plate 17 Basic components ZMU05
54. e engine oil level Use the oil dipstick to check the re maining oil quantity For further infor mation see page 40 9277 E ZMU04754 EMU26522 Low oil pressure warning indicator If oil pressure drops too low the warning in dicator will start to blink For further informa tion see page 36 ECMO00020 CAUTION e Do not continue to run the engine if the low oil pressure warning indicator is on and the engine oil level is lower Seri ous engine damage will occur e The low oil pressure warning indicator does not indicate the engine oil level Use the oil dipstick to check the re maining oil quantity For further infor mation see page 40 TACH E S 4 ZMU01736 1 Low oil pressure warning indicator 23 Basic components EMU26572 Overheat warning indicator If the engine temperature rises too high this indicator will flash For further information on reading the indicator see page 36 ECMO00050 CAUTION Do not continue to run the engine if the overheat warning indicator is on Serious engine damage will occur 2 004715 EMU26581 Overheat warning indicator digital type If the engine temperature rises too high the warning indicator will start to blink For fur ther information on reading the indicator see page 36 ECMO00050 CAUTION Do not continue to run the engine if the overheat warning indicator is on Seri
55. e found e A continuous flow of water from the pi lot hole shows that the water pump is pumping water through the cooling passages If water is not flowing out of the pilot hole at all times while the en gine is running overheating and seri ous damage could occur Stop the engine and check whether the cooling water inlet on the lower case or the cooling water pilot hole is blocked Consult your Yamaha dealer if the prob lem cannot be located and corrected AS C y ZMU04229 Shifting Before shifting make sure there are no swimmers or obstacles in the water near you EMU27740 ECM00220 CAUTION To change the boat direction or shifting position from forward to reverse or vice versa first close the throttle so that the engine idles or runs at low speeds EMU27764 Forward tiller handle and remote control models Tiller handle models 1 Place the throttle grip in the fully closed position ZMU05219 2 Move the gear shift lever quickly and 45 Operation firmly from neutral to forward pier ros Reverse automatic reverse lock and power trim and tilt models EWM00190 When operating in reverse go slowly Do not open the throttle more than half Oth erwise the boat could become unstable which could result in loss of control and an accident 2 005220 Tiller handle models Remote control models 1 Place the throttle grip in the fully closed 1 Pull up the neutral
56. e shaft If this happens the shear pin must be replaced 70 EMU30660 Removing the propeller EMU29194 Spline models 1 Straighten the cotter pin and pull it out using a pair of pliers 2 Remove the propeller nut washer and spacer if equipped 2 002416 1 Cotter pin 2 Propeller nut 3 Washer 4 Spacer 5 Propeller 6 Thrust washer 3 Remove the propeller and thrust wash er EMU30670 Installing the Propeller EMU29242 Spline models EWMO00770 On counter rotation models be sure to use a propeller intended for counter clockwise rotation These propellers are identified with the letter L after the size indication on the propeller Otherwise the boat could move in the opposite direction from that expected ECM00340 CAUTION e Be sure to install the thrust washer be fore installing the propeller otherwise the lower case and propeller boss could be damaged e Be sure to use a new cotter pin and bend the ends over securely Otherwise the propeller could come off during op eration and be lost 1 Apply Yamaha marine grease or a cor rosion resistant grease to the propeller shaft 2 Install the thrust washer and propeller on the propeller shaft 3 Install the spacer and washer Tighten the propeller nut to the specified torque Propeller nut tightening torque 55 0 Nm 40 6 ft Ib 5 61 kgf m 4 Align the propeller nut with the propeller shaft hole Insert a new cotte
57. e starter rope It could whip behind you and injure someone e An unguarded rotating flywheel is very dangerous Keep loose clothing and other objects away when starting the engine Use the emergency starter rope only as instructed Do not touch the fly wheel or other moving parts when the engine is running Do not install the starter mechanism or top cowling after the engine is running e Do not touch the ignition coil spark plug wire spark plug cap or other elec trical components when starting or op erating the motor You could get an electrical shock EMU29643 Emergency starting engine 1 Remove the top cowling 2 Remove the two bolts holding the fly wheel cover 3 Lift up the rear of flywheel cover and pull it forward to remove it 4 Prepare the engine for starting For fur ther information see page 42 Be sure 7 the engine is in neutral and that the en 82 gine stop switch lanyard lock plate is at tached to the engine stop switch The main switch must be ON on ZMU02334 on OFF START OFF START 0 Qi ZMU04589 ZMU05216 Insert the knotted end of the emergency starter rope into the notch in the flywheel rotor and wind the rope around the fly wheel clockwise Pull the rope slowly until resistance is felt Remove the rope from the flywheel tem porarily Trouble Recover 8 Rewind the rope around the flywheel ap proximately 3 4 of a turn
58. ed A Clean or replace filter Q Is fuel contaminated or stale A Fill tank with clean fresh fuel Q Is spark plug gap incorrect A Inspect and adjust as specified Q Is ignition wiring damaged or poorly con nected A Check wires for wear or breaks Tighten all loose connections Replace worn or bro ken wires Q Have electrical parts failed A Have serviced by a Yamaha dealer Q Is specified fuel not being used A Replace fuel with specified type Q Is specified engine oil not being used A Check and replace oil with specified type Q Is thermostat faulty or clogged A Have serviced by a Yamaha dealer Q Is air vent screw closed A Open the air vent screw Q Is fuel pump damaged A Have serviced by a Yamaha dealer 77 Trouble Recover Q Is fuel joint connection incorrect A Connect correctly Q Is heat range of spark plug incorrect A Inspect spark plug and replace it with rec ommended type Q Is high pressure fuel pump drive belt bro ken A Have serviced by a Yamaha dealer Q Is engine not responding properly to shift lever position A Have serviced by a Yamaha dealer Engine vibrates excessively Q Is propeller damaged A Have propeller repaired or replaced Q Is propeller shaft damaged A Have serviced by a Yamaha dealer Q Are weeds or other foreign matter tangled on propeller A Remove and clean propeller Q Is motor mounting bolt loose A Tighten
59. el consumed since the gauge was last reset Press the mode mode button repeatedly until the indicator on the face of the gauge points to total TTL total To reset the total fuel consumption to zero press the set set and mode mode buttons at the same time FUEL MANAGEMENT HEN ES ZMUO1751 EMU26770 Fuel economy This gauge displays the distance per liter or gallon when cruising and is only for refer Basic components ence use by the operator Press the mode mode button repeatedly until the indicator on the face of the gauge points to ECON economy FUEL MANAGEMENT Un 5 RU gph rm my Km L PS BESO m TTL ECON SYNC 2 001752 NOTE If twin engines are installed on your boat the gauge will only display the total fuel economy of both engines NOTE e Fuel consumption varies greatly with boat design weight propeller used engine trim angle sea conditions including wind and throttle position Fuel consumption also varies slightly with the type of water salt fresh and contaminate levels air temper ature and humidity cleanliness of the boat bottom engine mounting height skill of the operator and individual gasoline for mulation winter or summer fuel and amount of additives e The Yamaha digital speedometer and fuel management meter calculates speed miles traveled and fuel economy by water movement at the
60. el is above the upper level mark drain until the level meets the specified capacity Overfilling the oil could cause leakage or damage ECM01240 CAUTION Change the engine oil after the first 10 hours of operation and every 100 hours or at 6 month intervals thereafter Other wise the engine will wear quickly NOTE Change the engine oil when the oil is still warm 1 Put the outboard motor an upright po sition not tilted ZMU04270 2 Prepare a suitable container that holds a larger amount than the engine oil capac ity Loosen and remove the drain screw while holding the container under the drain hole Then remove the oil filler cap Let the oil drain completely Wipe up any spilled oil immediately L COM Z7MUO4241 1 Drain screw 3 Puta new gasket on the oil drain screw Apply a light coat of oil to the gasket and install the drain screw Drain screw tightening torque 28 0 Nm 20 7 ft lb 2 86 kgf m NOTE If a torque wrench is not available when you are installing the drain screw finger tighten the screw just until the gasket comes into contact with the surface of the drain hole Then tighten 1 4 to 1 2 turn more Tighten the drain screw to the correct torque with a torque wrench as soon as possible 4 Addthe correct amount of oil through the filler hole Install the filler cap Recommended engine oil 4 stroke outboard motor oil Engine oil quantity excluding oil
61. ely close the cap after filling the tank Wipe up any spilled fuel EMU27270 Ring Free Fuel Additive Gasoline is a precise blend of many different substances each chosen to give certain characteristics Gasoline blends have been changing in recent years in response to con cerns about pollution and resulting emis sions regulations One of the most obvious changes has been the elimination of lead from most fuels As gasoline has changed the amount of ad ditives such as aromatics and oxygenates has increased These additives are impor tant for the engines in passenger cars but they can have detrimental effects in marine engines because of increased deposits in the combustion chamber When enough de posits collect piston rings begin sticking Performance drops and engine wear in creases dramatically While many additives available may reduce deposits Yamaha recommends the use of Ring Free Fuel Additive available from your Yamaha dealer Ring Free Fuel Addi tive has repeatedly proven its ability to clean combustion deposits from inside the engine notably the critical piston ring land area and fuel system components Follow product la beling for use instructions EMU27450 Operating engine EMU27482 Feeding fuel EWMO00420 e Before starting the engine make sure that the boat is tightly moored and that you can steer clear of any obstructions Be sure there are no swimmers in the water near you e When the air
62. en gine immediately and see page 78 of this manual to drain the water from the fuel filter Get back to the port soon and consult a Yamaha dealer immediately TACH 2 9 ZMU05423 TACH N 7 05 4 3 Ss 2 e1 ZMU05424 ECMO00910 CAUTION Gasoline mixed with water could cause damage to the engine Engine trouble warning This indicator will blink when the engine mal functions while cruising Get back to the port Basic components soon and consult a Yamaha dealer immedi ately TACH TACH N 7 05 cy N 4 3 2 o1 2 005426 00920 CAUTION In such an event the engine will not oper ate properly Consult a Yamaha dealer immediately Low battery voltage warning When the battery voltage drops the low bat tery voltage warning indicator and the bat tery voltage value will start to blink Get back to the port soon if the low battery voltage warning device has activated For charging the battery consult your Yamaha dealer TACH 2 ZMU05427 TACH 5 4 EE v 2 e1 7 N ZMU05428 EMU31610 Speed amp fuel meter unit This unit shows the boat speed and has the functions of fuel meter total fuel consump tion display fuel economy display fuel flow display and system voltage display If op tional sensors are connected to the unit trip display water surface temperature
63. eplace ment Battery Inspection charging Cooling water pas sages Cleaning Cowling clamp Fuel filter can be dis assembled Inspection Inspection replace ment Fuel system Inspection Gear oil Change Greasing points Greasing Idling speed Inspection PCV Pressure Con trol Valve Inspection Power trim and tilt unit Inspection Propeller and cotter pin Inspection replace ment Shift link shift cable 62 Inspection adjustment Actions Initial Maintenance Every 50 hours 3 months 10 hours 1 month 100 hours 6 months 200 hours 1 year Thermostat Throttle link throttle cable throttle pick up timing Inspection replace ment Inspection adjustment Water pump Inspection replace ment Engine oil Inspection change Oil filter cartridge Change Spark plug s Cleaning adjustment replacement Timing belt EMU28874 Maintenance chart Item Inspection replace ment additional Actions Every 500 hours 2 5 years 1000 hours 5 years Timing belt Replacement O Valve clearance DOHC Inspection adjustment Fuel filter vapor sepa rator tank Replacement Anode s exhaust cover cover joint Replacement Exhaust guide exhaust manifold EMU2
64. er Basic components ZMU05436 1 Set button 2 Mode button 1 y e a Du ss D 014 ZMU05437 1 Speedometer 2 Fuel meter 3 Multifunction display NOTE After the main switch is first turned on all the displays come on as a test After a few sec onds the gauge will change to normal oper ation NOTE The speedometer unit shows various kinds of information according to the setting made using the set set and mode mode but tons In addition the speedometer can show the desired unit of measurement such as km h mph or knots For details see the at tached operation manual EMU31630 Fuel management meter This meter has functions of fuel flow meter total consumption display fuel economy dis play and remaining fuel display ZMU05438 1 Set button 2 Mode button ZMU05439 1 Fuel flow meter 2 Multifunction display NOTE After the main switch is first turned on all the displays come o
65. er heating EMU30352 Low oil pressure warning If the oil pressure drops too low the warning device will activate Activation of warning device e Engine speed will automatically decrease to 2000 3500 r min ZMU04587 e The low oil pressure warning indicator will light or blink YAMAHA ZMU04254 e The buzzer will sound mere oS START OFF Smp aCe ZMU04584 If the warning system has activated stop the engine as soon as it is safe to do so Check the oil level and add oil as needed If the oil level is correct consult your Yamaha dealer ECMO00100 CAUTION Do not continue to run the engine if the low oil pressure warning indicator is on Serious engine damage could occur 37 Operation EMU26901 Installation ECMO01 10 CAUTION Incorrect engine height or obstructions to smooth water flow such as the design or condition of the boat or accessories such as transom ladders or depth finder transducers can create airborne water spray while the boat is cruising Severe engine damage may result if the motor is operated continuously in the presence of airborne water spray NOTE During water testing check the buoyancy of the boat at rest with its maximum load Check that the static water level on the ex haust housing is low enough to prevent wa ter entry into the powerhead when water rises due to waves when the outboard is not running EMU26910 Mounting the outboard
66. eter e The trip distance is kept in memory by bat tery power The stored data will be lost if the battery is disconnected EMU26700 Clock Press the mode mode button repeatedly until the indicator on the face of the gauge points to TIME time To set the clock be sure the gauge is in the TIME time mode 26 Press the set set button the hour display will begin blinking Press the mode mode button until the desired hour is displayed Press the set set button again the minute display will begin blinking Press the mode mode button until the desired minute is dis played Press the set set button again to start the clock YAMAHA 2 001744 NOTE The clock operates on battery power Dis connecting the battery will stop the clock Reset the clock after connecting the battery EMU26710 Fuel gauge The fuel level is indicated by eight segments When all segments are showing the fuel tank is full ECMO00860 CAUTION The Yamaha fuel tank sensor differs from conventional sensors Incorrectly setting the selector switch on the gauge will give false readings Consult your Yamaha dealer on how to correctly set the selec tor switch NOTE The fuel level reading can be affected by the position of the sensor in the fuel tank and the attitude of the boat in the water Operation with bow up trim or continuous turning can Basic components give false
67. g anode s intimement 72 Checking battery for electric start models 73 Connecting the battery 73 Disconnecting the battery 74 Checking top Cowling 74 Coating the boat bottom 74 Trouble Recovery 75 Troubleshooting 75 Temporary action in emergency 78 Impact damage 78 Running single engine 78 Replacing fuse 79 Power trim and tilt power tilt will not operate ies 79 Water separator warning indicator blinks while cruising 80 Starter will not operate 81 Emergency starting engine 82 Treatment of submerged motor 83 Procedure 83 Table of contents Consumer information 84 Important warranty information for U S A and Canada 84 YAMAHA MOTOR CORPORATION U S A FOUR STROKE OUTBOARD MOTOR THREE YEAR LIMITED WARRANTY eene 86 IMPORTANT WARRANTY INFORMATION IF YOU USE YOUR YAMAHA OUTSIDE THE USA OR CANADA 88 EMU25170 Identification numbers record EMU25183 Outboard motor serial number The outboard motor serial number is stamped on the label attached to the port side of the clamp bracket Record your outboard motor serial number in the spaces provided
68. ge or engine performance problems General information EMU31440 Engine oil Recommended engine oil YAMALUBE 4 M FC W oil or 4 stroke motor oil with a combination of the fol lowing SAE and API oil classifications Engine oil type SAE 10W 30 or 10W 40 Engine oil grade API SE SF SG SH SJ SL Engine oil quantity excluding oil filter 4 3 L 4 55 US qt 3 78 Imp qt NOTE If the recommended engine oil grades are not available select an alternative from the following chart according to the average temperatures in your area EN 0 Oe NE lt ZMU05190 ECM01050 CAUTION All 4 stroke engines are shipped from the factory without engine oil General information Fill engine oil A ada aceite de motor Colocar oleo de motor Faire le plein d huile moteur AINWEANTC RSW imis epu ZMUO1710 EMU25700 Battery requirement ECMO1060 CAUTION Do not use a battery that does not meet the specified capacity If a battery which does not meet specifications is used the electric system could perform poorly or be overloaded causing electric system damage For electric start models choose a battery which meets the following specifications EMU25711 Battery specifications Minimum cold cranking amps CCA SAE 380 0 A Minimum marine cranking amps MCA ABYC 502 0 A Minimum reserve capacity RC SAE 124 minutes NOTE The engine canno
69. hard to increase speed Oper ating with excessive trim in at higher speeds also makes the boat unstable Resistance at the bow is greatly increased heightening the danger of bow steering and making opera tion difficult and dangerous 50 2 001786 NOTE Depending on the type of boat the outboard motor trim angle may have little effect on the trim of the boat when operating EMU27933 Tilting up and down If the engine will be stopped for some time or if the boat is moored in shallows the out board motor should be tilted up to protect the propeller and casing from damage by colli sion with obstructions and also to reduce salt corrosion EWMO00220 Be sure all people are clear of the out board motor when tilting up and down also be careful not to pinch any body parts between the drive unit and engine bracket EWMO0250 Leaking fuel is a fire hazard If there is a fuel joint on the outboard motor discon nect the fuel line or close the fuel cock if the engine will be tilted for more than a few minutes Otherwise fuel may leak ECMO00241 CAUTION e Before tilting the outboard motor stop the engine by following the procedure Operation on page 47 Never tilt the outboard mo tor while the engine is running Severe damage from overheating can result e Do not tilt up the engine by pushing the tiller handle if equipped because this could break the handle EMU28007 Procedure for tilting up p
70. ified in the applicable Owner s Manual The owner of the outboard motor shall give notice to an authorized Yamaha Outboard Motor Dealer of any and all apparent defects within ten 10 days of discovery and make the motor available at that time for inspection and repairs at the dealer s place of business GENERAL EXCLUSIONS FROM WARRANTY This warranty will not cover the repair of damage if the damage is a result of abuse or neglect of the product Examples of abuse and neglect include but are not limited to 1 Racing or competition use modification of original parts abnormal strain 2 Lack of proper maintenance and off season storage as described in the Owner s Manual installation of parts or accessories that are not equivalent in design and quality genuine Yamaha parts Operation of the motor at an rpm other than specified use of lubricants or oils that are not suitable for outboard motor use Damage as a result of accidents collisions contact with foreign materials or submersion Growth of marine organism on motor surfaces Normal deterioration ww ZMU01687 86 Consumer information SPECIFIC PARTS EXCLUDED FROM WARRANTY Parts replaced due to normal wear or routine maintenance such as oil spark plugs shear pins propellers hubs fuel and oil filters brushes for the starter motor and power tilt motor water pump impellers and anodes are not covered by warranty Charges for removal of the motor from a boat and transpor
71. ines 36 Low oil pressure warning 37 Operation 38 Installation 38 Mounting the outboard motor 38 Breaking in engine 39 Procedure for 4 stroke models 39 Preoperation checks 40 opis Re 40 Controls ident 40 Engine iris Ne 40 Checking the engine oil level 40 Filling fuel s 41 Ring Free Fuel Additive 41 Operating engine 41 Feeding fuel 41 Starting 42 Warming up engine 45 Manual start and electric start models meni Gee 45 Shifting 45 Forward tiller handle and remote control Models 45 Reverse automatic reverse lock and power trim and tilt models 46 Stopping engine 47 Procedure e 47 Trimming outboard motor 48 Adjusting trim angle 48 Adjusting boat trim 49 Tilting up and down 50 Procedure for tilting up power trim and tilt models power tilt models showed eed lere 51 Procedure for tilting down power trim and tilt models power tilt model nonna erectione 52 Cruising in shallow water 53 Power trim and tilt models power
72. ing the cost of parts and labor for major components only The major components covered are Power Unit Section Power Head Intake Manifold Carburetor Assembly and its Related Components Fuel Injection System and its Related Components Fuel and Oil Pump Assemblies Ignition System Standard and Microcomputer Lower Unit Section Exhaust System Upper Casing Lower Unit Assembly Bracket Section Bracket System Power Trim and Tilt Assembly WARRANTY REGISTRATION To be eligible for warranty coverage the outboard motor must be registered with Yamaha Motor Corporation U S A Warranty registration can be accomplished by any authorized Yamaha Outboard Motor Dealer Upon receipt of the registration an Owner s Warranty Card will be sent by Yamaha to the registered purchaser OBTAINING REPAIRS UNDER WARRANTY To receive repairs under this warranty a valid Owner s Warranty Card must be presented to an authorized Yamaha Outboard Motor Dealer During the period of warranty any authorized Yamaha outboard dealer will free of charge repair or replace at Yamaha s option any parts adjudged defective by Yamaha due to faulty workmanship or material from the factory All replaced parts will become the property of Yamaha Motor Corporation U S A CUSTOMER S RESPONSIBILITY Under the terms of this warranty the customer will be responsible for ensuring that the outboard motor is prop erly operated maintained and stored as spec
73. ith specified type Q Is engine oil contaminated or deteriorat ed A Replace oil with fresh specified type Q Is oil filter clogged A Have serviced by a Yamaha dealer Q Has oil feed injection pump malfunc tioned Trouble Recovery A Have serviced by a Yamaha dealer Q Is load on boat improperly distributed A Distribute load to place boat on an even plane Q Is water pump or thermostat faulty A Have serviced by a Yamaha dealer Q Is there excess water in fuel filter cup A Drain filter cup Engine power loss Q Is propeller damaged A Have propeller repaired or replaced Q Is propeller pitch or diameter incorrect A Install correct propeller to operate out board at its recommended speed r min range Q Is trim angle incorrect A Adjust trim angle to achieve most efficient operation Q Is motor mounted at incorrect height on transom A Have motor adjusted to proper transom height Q Has warning system activated A Find and correct cause of warning Q Is boat bottom fouled with marine growth A Clean boat bottom Q Are spark plug s fouled or of incorrect type A Inspect spark plug s Clean or replace with recommended type Q Are weeds or other foreign matter tangled on gear housing A Remove foreign matter and clean lower unit Q Is fuel system obstructed A Check for pinched or kinked fuel line or other obstructions in fuel system Q Is fuel filter clogg
74. links consult your Yamaha dealer imme diately EMU27130 Controls e Check throttle shift and steering for prop er operation before starting the engine e The controls should work smoothly with out binding or unusual free play 40 e Look for loose or damaged connections e Check operation of the starter and stop switches when the outboard motor is in the water EMU27150 Engine e Check the engine and engine mounting e Look for loose or damaged fasteners e Check the propeller for damage e Check that the battery is in good condition and the battery connections are secure EMU27163 Checking the engine oil level 1 Putthe outboard motor in an upright po sition not tilted 2 Remove oil dipstick and wipe it clean 3 Completely insert the dipstick and re move it again 4 Check the oil level using the dipstick to be sure the level falls between the upper and lower marks Fill with oil if itis below the lower mark or drain to the specified level if it is above the upper mark 1 Oil dipstick Operation ZMU02082 1 Lower level mark 2 Oil dipstick 3 Upper level mark NOTE Be sure to completely insert the dipstick into the dipstick guide EMU30021 Filling fuel EWM00060 Gasoline and its vapors are highly flam mable and explosive Keep away from sparks cigarettes flames or other sources of ignition 1 Remove the fuel tank cap 2 Carefully fill the fuel tank 3 Secur
75. lt switch e If the trim angle of your motor exceeds the trim operating range the top segment on the trim meter display will blink TACH E uA ZMUO1740 EMU26650 Hour meter digital type This meter shows the number of hours the engine has been run It can be set to show the total number of hours or the number of hours for the current trip The display can also be turned on and off TACH E my 2 001741 e Changing the display format e Pressing the mode mode button chang es the display format in the following pat tern e Total hoursTrip hoursDisplay off 25 Basic components e Resetting the trip hours e Simultaneously pressing the set set and mode mode buttons for more than 1 second while the trip hours are displayed resets the trip counter to O zero NOTE The total number of hours the engine has been run cannot be reset EMU26690 Trip meter This gauge displays the distance the boat has traveled since the gauge was last reset Press the mode mode button repeatedly until the indicator on the face of the gauge points to TRIP trip To reset the trip meter to zero press the set set and mode mode buttons at the same time YAMAHA SPEED TRIP TIME BATT 2 001743 NOTE e The trip distance is shown in kilometers or miles depending upon the unit of measure ment selected for the speedom
76. lter must be reassembled carefully with the O ring filter cup and hoses in place Improper assembly or replacement could result in a fuel leak 80 which could result in a fire or explosion hazard If the water separator warning indicator on the tachometer blinks perform the following procedure TIATER ra i 1 ZMU05442 1 Water separator warning indicator 1 Stop the engine 2 Remove the top cowling 3 Disconnect the water detection switch coupler ECM01570 CAUTION Be careful not to get any water on the wa ter detection switch coupler otherwise a malfunction could occur ZMU05480 1 Water detection switch coupler 4 Unscrew the filter cup from the filter housing Trouble Recover NOTE Be careful not to twist the water detection switch lead when unscrewing the filter cup 1 Filter cup 2 Water detection switch lead 5 Drain the water in the filter cup by soak ing it up with a rag NOTE Properly dispose of the rag 6 Firmly screw the filter cup onto the filter housing NOTE Be careful not to twist the water detection switch lead when screwing the filter cup onto the filter housing 7 Connect the water detection switch cou pler securely until a click is heard d 1 2 005503 1 Water detection switch coupler 8 Install the top cowling 9 Start the engine and make sure that the water separator warning i
77. m and fails to start open the throttle slightly and try to start the engine again If the engine still fails to start see page 75 EMU27624 Electric start and remote control models 1 Place the remote control lever in N neutral NOTE The start in gear protection device prevents the engine from starting except when in neu tral E ZMUO1771 CN ZMUO4588 2 Attach the engine stop switch lanyard to a secure place on your clothing or your arm or leg Then install the lock plate on the other end of the lanyard into the en 43 Operation gine stop switch turned on the buzzer operates for a few sec EWMOOTS onds then stops automatically The buzzer also operates if one of the engines stalls e Attach the engine stop switch lanyard to a secure place on your clothing or your arm or leg while operating e Do not attach the lanyard to clothing ON that could tear loose Do not route the a START lanyard where it could become entan gled preventing it from functioning e Avoid accidentally pulling the lanyard during normal operation Loss of en gine power means the loss of most steering control Also without engine power the boat could slow rapidly This could cause people and objects in the boat to be thrown forward 4 Turn the main switch to START start and hold it for a maximum of 5 seconds ZMUO1774 YAMAHKA ZMU04590 5 Im
78. maha parts or parts of the same type and of equivalent strength and materi als Any part of inferior quality may malfunc tion and the resulting loss of control could endanger the operator and passengers Yamaha genuine parts and accessories are available from your Yamaha dealer 61 Maintenance EMUS0563 Maintenance chart NOTE e Refer to the sections in this chapter for explanations of each owner specific action e The maintenance cycle on these charts assume usage of 200 hours per year and regular flushing of the cooling water passages Maintenance frequency should be adjusted when operating the engine under adverse conditions such as extended trolling e Disassembly or repairs may be necessary depending on the outcome of maintenance checks e Expendable or consumable parts and lubricants will lose their effectiveness over time and through normal usage regardless of the warranty period e When operating in salt water turbid or muddy water the engine should be flushed with clean water after each use The symbol indicates the check ups which you may carry out yourself The O symbol indicates work to be carried out by your Yamaha dealer Actions Initial Every 10 hours 1 month 50 hours 3 months 200 hours 1 year 100 hours 6 months Anode s external Inspection replace ment Anode s cylinder head thermostat cover Inspection r
79. mediately after the engine starts re ZMUO1772 lease the main switch to return it to ON n OFF ONSTART OFF ON START o NX NX 00191 Q QD CAUTION e Never turn the main switch to START start while the engine is running e Do not keep the starter motor turning for more than 5 seconds If the starter motor is turned continuously for more than 5 seconds the battery will be quickly discharged thus making it im 3 Turn the main switch to ON on possible to start the engine The starter NOTE can also be damaged If the engine will Dual engine users When the main switch is not start after 5 seconds of cranking 2 004589 44 Operation return the main switch to ON on wait 10 seconds then crank the engine again EMU27670 Warming up engine EMU27710 Manual start and electric start models 1 After starting the engine allow it to idle for 3 minutes to warm up Failure to do so will shorten engine life 2 Be sure the low oil pressure warning in dicator goes off after starting the engine 3 Check for a steady flow of water from the cooling water pilot hole ECMO00210 CAUTION e If the low oil pressure warning indicator does not go off after the engine starts stop the engine Otherwise serious en gine damage could occur Check the oil level and add oil if necessary Consult your Yamaha dealer if the cause for the low oil pressure warning indicator can not b
80. multifunction meters have 6 kinds of meter units tachometer unit square or round types speedometer unit Square type speed amp fuel meter unit square or round types and fuel management meter square type The indicator system is slight ly different between the round and square types Check the model and type of your unit carefully This manual describes mainly the warning indicators For more details on set ting meters or changing indicator systems see the attached operation manual EMU31680 Tachometer unit The tachometer shows the engine revolu tions per minute It has functions of trim meter adjusting trolling speed cooling wa ter engine temperature display battery volt age display total hour trip hour display oil pressure display water detection warning engine trouble warning and periodic mainte nance notification If optional sensors are connected to the unit cooling water pressure display will be available For the optional sensor consult your Yamaha dealer The ta chometer unit is available in round or square types Check your tachometer unit type 30 ZMU05415 1 Set button 2 Mode button TACH 1 x100 r min ZMU05416 1 Tachometer 2 Trim meter 3 Multifunction display
81. n as a test After a few sec onds the gauge will change to normal oper ation NOTE The fuel management meter shows various kinds of information when the operator uses the set set and mode mode buttons For details see the attached operation man 35 Basic components ual EMU26801 Warning system ECMO00090 CAUTION Do not continue to operate the engine if a warning device has activated Consult your Yamaha dealer if the problem can not be located and corrected EMU30341 Overheat warning twin engines This engine has an overheat warning device If the engine temperature rises too high the warning device will activate Activation of warning device e Engine speed will automatically decrease to 2000 3500 r min ZMU04746 e If equipped with an overheat warning indi cator it will light or blink YAMAHA ZMU04227 e The buzzer will sound 36 ZMU03025 oF START OFF START eo a ZMU04584 If the warning system has activated stop the engine and check the cooling water inlet for clogging ZMU02630 NOTE Dual engine drive users Should the overheat warning system of one engine activate the engine will slow down and the buzzer will sound This will cause the other engine to slow down and the buzzer to sound To switch off the warning activation Basic components on the engine not affected by overheating turn off the main switch of the engine ov
82. nd check that no water leaks from the joints between the exhaust cover cylinder head and body cylinder EMU29140 Engine oil leakage Check for oil leaks on the around the engine NOTE If any leaks are found consult your Yamaha dealer EMU29153 Checking power trim and tilt system EWM00430 e Never get under the lower unit while it is tilted even when the tilt support lever is locked Severe injury could occur if the outboard motor accidentally falls e Make sure no one is under the outboard motor before performing this test 1 Check the power trim and tilt unit for any sign of oil leaks 2 Operate each of the power trim and tilt switches on the remote control and en gine bottom cowling if equipped to check that all switches work 3 Tilt the outboard motor up and check that the tilt rod and trim rods are extend ed completely ZMU02633 1 Tilt rod 2 Trim rods 3 Tilt support lever 4 Use the tilt support lever to lock the mo tor in the up position Operate the tilt down switch briefly so the motor is sup ported by the tilt support lever ZMU02634 1 Tilt support lever 5 Check that the tilt rod and trim rods are free of corrosion or other flaws Activate the tilt down switch until the trim rods have retracted completely into the cylinders 2 002635 Activate the trim up switch until the tilt rod is fully extended Unlock the tilt sup port lever
83. ndicator re mains off NOTE Have a Yamaha dealer inspect the outboard motor after returning to port EMU29541 Starter will not operate If the starter mechanism does not operate the engine cannot be cranked with the start er the engine can be started manually with an emergency starter rope However the en gine cannot be started manually if the battery voltage is low If the battery is discharged to 9 volts or below the electric fuel pump will not operate EWMO1021 e Use this procedure only in an emergen cy to return to the nearest port for re pairs e When the emergency starter rope is used to start the engine the start in gear protection device does not oper ate Make sure the remote control lever is in neutral Otherwise the boat could unexpectedly start to move which could result in an accident e Attach the engine stop switch lanyard to a secure place on your clothing or your arm or leg while operating the boat e Do not attach the lanyard to clothing that could tear loose Do not route the cord where it could become entangled preventing it from functioning e Avoid accidentally pulling the lanyard during normal operation Loss of en gine power means the loss of most steering control Also without engine 81 Trouble Recover power the boat could slow rapidly This could cause people and objects in the boat to be thrown forward e Make sure no one is standing behind you when pulling th
84. ndle for smooth move ment when the lever is turned to the star board side B e Do not apply lubricants such as grease to the friction areas of the steering friction ad juster 2 001720 UP Ji p 2 005211 EMU26141 Power trim and tilt switch on remote control or tiller handle The power trim and tilt system adjusts the outboard motor angle in relation to the tran som Pressing the switch UP up trims the outboard motor up then tilts it up Pressing the switch DN down tilts the outboard mo tor down and trims it down When the switch is released the outboard motor will stop in its current position NOTE For instructions on using the power trim and tilt switch see pages 48 and 50 UP ZMU05212 EMU26151 Power trim and tilt switch on bottom engine cowling The power trim and tilt switch is located on the side of the bottom engine cowling Press ing the switch UP up trims the outboard motor up then tilts it up Pressing the switch DN down tilts the outboard motor down and trims it down When the switch is re leased the outboard motor will stop in its 19 Basic components current position EWM01030 Use the power trim and tilt switch located on the bottom engine cowling only when the boat is at a complete stop with the en gine off Attempting to use this switch while the boat is moving could increase the risk of falling overbo
85. nning position press the power trim and tilt switch power tilt switch and slowly tilt the outboard motor down EMU28192 Cruising in other conditions Cruising in salt water After operating in salt water flush the cooling water passages with fresh water to prevent them from becoming clogged with salt de posits 54 Operation NOTE For cooling system flushing instructions see page 57 Cruising in turbid water Yamaha strongly recommends that you use the optional chromium plated water pump kit not available for some models if you use the outboard motor in turbid or muddy water conditions 55 Maintenance EMU31480 Specifications NOTE AL stated in the specification data below represents the numerical value for the alumi num propeller installed Likewise SUS represents the value for stainless steel propeller installed and PL for plastic propeller installed EMU28218 Dimension Overall length 825 mm 82 5 in Overall width 498 mm 19 6 in Overall height L F115TR 1609 mm 63 3 in Overall height X 1736 mm 68 3 in Transom height L F115TR 516 mm 20 3 in Transom height X 643 mm 25 3 in Weight without propeller L F115TR 183 0 kg 403 Ib Weight without propeller X 188 0 kg 414 Ib Performance Full throttle operating range 5000 6000 r min Maximum output 84 6 kW 5500 r min 115 HP 5500 r min Idling speed in neutral 750 50 r min Engine
86. o use the specified fuse An in correct fuse or a piece of wire could allow excessive current flow This could cause electric system damage and a fire hazard NOTE Consult your Yamaha dealer if the new fuse immediately blows again ZMU04279 1 Electrical cover 2 Fuse holder 3 Fuse 20 A x 2 30 A x 2 4 Spare fuse 20 A 30 A 5 Fuse puller ZMU04280 1 Fuse puller EMU29522 Power trim and tilt power tilt will not operate If the engine cannot be tilted up or down with 79 Trouble Recover the power trim and tilt the power tilt because of a discharged battery or a failure with the power trim and tilt unit the power tilt unit the engine can be tilted manually 1 Loosen the manual valve screw by turn ing it counterclockwise until it stops ZMU03464 1 Manual valve screw 2 Put the engine in the desired position then tighten the manual valve screw by turning it clockwise EMU31780 Water separator warning indicator blinks while cruising EWM01500 Gasoline is highly flammable and its va pors are flammable and explosive e Do not perform this procedure on a hot or running engine Allow the engine to cool e There will be fuel in the fuel filter Keep away from sparks cigarettes flames or other sources of ignition e This procedure will allow some fuel to spill Catch fuel in a rag Wipe up any spilled fuel immediately e The fuel fi
87. of way The exceptions to this are 1 When the sailing vessel is overtaking the power driven vessel the power driv en vessel has the right of way 2 Sailing vessels should keep clear of any fishing vessel 3 In a narrow channel a sailing vessel should not hamper the safe passage of a power driven vessel which can navi gate only in such a channel Reading buoys and other markers The waters of the United states are marked for safe navigation by the lateral system of buoyage Simply put buoys and markers have an arrangement of shapes colors numbers and lights to show which side of the buoy a boater should pass on when navigat ing in a particular direction The markings on these buoys are oriented from the perspec tive of being entered from seaward the boat General information er is going towards the port This means that red buoys are passed on the starboard right side when proceeding from open wa ter into port and black buoys are to port left side When navigating out of port your posi tion with respect to the buoys should be re versed red buoys should be to port and black buoys to starboard Many bodies of water used by boaters are entirely within the boundaries of a particular state The Uniform State Waterway Marking System has been devised for these waters This system uses buoys and signs with dis tinctive shapes and colors to show regulato ry or advisory information These markers are white with bl
88. ous engine damage will occur 24 TACH 2 001737 1 Overheat warning indicator EMU26600 Speedometer digital type This gauge shows the boat speed YAMAHA ZMUO1738 1 Speedometer 2 Fuel gauge 3 Trip meter clock voltmeter 4 Warning indicator s NOTE After the main switch is first turned on all segments of the display come on as a test After a few seconds the gauge will change to normal operation Watch the gauge when turning on the main switch to make sure all segments come on NOTE The speedometer displays km h mph or knots according to operator preference Se lect the desired unit of measurement by set Basic components ting the selector switch on the back of the gauge See the illustration for settings mph mile mile ZMU01739 1 Cap 2 Selector switch for speed unit 3 Selector switch for fuel sensor EMU26610 Trim meter This gauge shows the trim angle of your out board motor 2 004581 NOTE Memorize the trim angles that work best for your boat under different conditions Adjust the trim angle to the desired setting with the power trim and tilt switch EMU26620 Trim meter digital type This meter shows the trim angle of your out board motor NOTE e Memorize the trim angles that work best for your boat under different conditions Adjust the trim angle to the desired using the power trim and ti
89. ower trim and tilt models power tilt models 1 Place the remote control lever gear shift lever in neutral 2 004588 2 005215 2 Disconnect the fuel line from the out board motor or close the fuel cock Press the power trim and tilt switch power tilt switch UP up until the out board motor has tilted up completely 2 001787 51 Operation ZMU05226 B Push the tilt support knob into the clamp bracket or pull the tilt support lever to ward you to support the engine 2 003449 EWM00260 After tilting the outboard motor be sure to support it with the tilt support knob or tilt support lever Otherwise the outboard motor could fall back down suddenly if oil in the power trim and tilt unit loses pres sure 5 Models equipped with trim rods Once the outboard motor is supported with the tilt support lever press the power trim and tilt switch power tilt switch DN down to retract the trim rods 00250 CAUTION Be sure to retract the trim rods complete ly during mooring This protects the rods from marine growth and corrosion which could damage the power trim and tilt mechanism ZMU03452 EMU28055 Procedure for tilting down power trim and tilt models power tilt models 1 Push the power trim and tilt switch pow er tilt switch UP up until the outboard motor is supported by the tilt rod and the tilt support
90. path Overtaking you are passing or being passed by another vessel In the following illustration your boat is in the center You should give the right of way to any vessels shown in white area you are the Give Way vessel Any vessels in the shad ed area must yield to you they are the Give Way vessels Both you and the meeting vessel must alter course to avoid each other 2 001705 Meeting If you are meeting another power vessel head on and are close enough to run the risk of collision neither of you has the right of way Both of you should alter course to avoid an accident You should keep the other ves sel on your port left side This rule doesn t apply if both of you will clear one another if you continue on your set course and speed TN ST lt ail gt b LLE 2 001706 Crossing When two power driven vessels are crossing each other s path close enough to run the risk of collision the vessel which has the oth er on the starboard right side must keep out of the way of the other If the other vessel is on your right you must keep out of its way you are the Give Way vessel If the other vessel is on your port left side remember that you should maintain course and direc tion provided the other vessel gives you the right of way as it should ZMUO1707 Overtaking If you are passing another vessel you are the Give Way vessel This means that the other vessel is expected to maint
91. r pin in the hole and bend the cotter pin ends ZMUO1805 NOTE If the propeller nut does not align with the propeller shaft hole after tightening to the specified torque tighten the nut further to align it with the hole Maintenance EMU29282 Changing gear oil EWMO0800 e Be sure the outboard motor is securely fastened to the transom or a stable stand You could be severely injured if the outboard motor falls on you e Never get under the lower unit while it is tilted even when the tilt support lever or knob is locked Severe injury could occur if the outboard motor accidental ly falls 1 Tilt the outboard motor so that the gear oil drain screw is at the lowest point pos sible 2 Place a suitable container under the gear case 3 Remove the gear oil drain screw and gasket ZMU03273 1 Gear oil drain screw 2 Oil level plug NOTE elf a magnetic gear oil drain screw is equipped remove all metal particles from the screw before installing it e Always use new gaskets Do not reuse the removed gaskets 4 Remove the oil level plug and gasket to 71 Maintenance allow the oil to drain completely ECMO00710 CAUTION Inspect the used oil after it has been drained If the oil is milky water is getting into the gear case which can cause gear damage Consult a Yamaha dealer for re pair of the lower unit seals NOTE For disposal of used oil Yamaha dealer consult your
92. r separator warning indicator will blink e The buzzer will sound intermittently only when the gear shift is in neutral e f the warning system has activated stop the engine and consult a Yamaha dealer immediately EMU26470 Tachometer This gauge shows the engine speed and has the following functions ZMU04578 1 Tachometer 2 Warning indicator s EMU26491 Digital tachometer The tachometer shows the engine speed and has the following functions NOTE All segments of the display will light momen Basic components tarily after the main switch is turned on and will return to normal thereafter LC x100 rimin eag 9 ZMU04185 1 Tachometer 2 Trim meter 3 Hour meter 4 Low oil pressure warning indicator 5 Overheat warning indicator 6 Water separator warning indicator 7 Engine trouble warning indicator 8 Set button 9 Mode button NOTE The water separator and engine trouble warning indicators only operate when the en gine is equipped with the appropriate func tions EMU26503 Low oil pressure warning indicator If oil pressure drops too low this indicator will flash For further information see page 36 ECM00020 CAUTION e Do not continue to run the engine if the low oil pressure warning indicator is on and the engine oil level is lower Seri ous engine damage will occur e The low oil pressure warning indicator does not indicate th
93. rd motor for prolonged periods of time 2 months or longer several important procedures must be performed to prevent excessive damage 57 Maintenance It is advisable to have your outboard motor serviced by an authorized Yamaha dealer prior to storage However you the owner with a minimum of tools can perform the fol lowing procedures ECM01080 CAUTION e To prevent problems which can be caused by oil entering the cylinder from the sump keep the outboard motor in the attitude shown when transporting and storing it If storing or transporting the outboard motor on its side not up right put it on a cushion after draining the engine oil e Do not place the outboard motor on its side before the cooling water has drained from it completely otherwise water may enter the cylinder through the exhaust port and cause engine trou ble e Store the outboard motor in a dry well ventilated place not in direct sunlight EMU28303 Procedure EMU28380 Flushing with the flushing attachment 1 Wash the outboard motor body using fresh water For further information see page 61 2 Fill the fuel tank with fresh fuel and add one ounce of Yamaha Fuel Conditioner and Stabilizer Part No LUB FUELC 12 00 to each gallon of fuel NOTE The use of Yamaha Fuel Conditioner and Stabilizer eliminates the need to drain the fuel system Consult your Yamaha dealer or other qualified mechanic if the fuel system is to be dr
94. re you understand each item before operating e Do not overpower the boat with this out board motor Overpowering the boat could result in loss of control The rated power of General information the outboard should be equal to or less than the rated horsepower capacity of the boat If the rated horsepower capacity of the boat is unknown consult the dealer or boat manufacturer Do not modify the outboard Modifications could make the motor unfit or unsafe to use e Incorrect propeller selection and incorrect use may not only cause engine damage but also adversely affect fuel consumption Consult your dealer for correct use Never operate after drinking alcohol or tak ing drugs About 50 of all boating fatali ties involve intoxication Have an approved personal flotation de vice PFD on board for every occupant It is a good idea to wear a PFD whenever boating At a minimum children and non swimmers should always wear PFDs and everyone should wear PFDs when there are potentially hazardous boating condi tions Gasoline is highly flammable and its va pors are flammable and explosive Handle and store gasoline carefully Make sure there are no gas fumes or leaking fuel be fore starting the engine This product emits exhaust gases which contain carbon monoxide a colorless odorless gas which may cause brain dam age or death when inhaled Symptoms in clude nausea dizziness and drowsiness Keep cockpit and cabin
95. s Run the engine under load in gear with a propeller installed for 10 hours as follows 1 First hour Run the engine at 2000 r min or at ap proximately half throttle 2 Second hour Run the engine at 3000 r min or at ap proximately three quarter throttle 3 Remaining eight hours Run the engine at any speed However avoid operating at full throttle for more than 5 minutes at a time 4 After the first 10 hours Operate the engine normally 39 Operation EMU27103 Preoperation checks EWM00080 If any item in the preoperation check is not working properly have it inspected and repaired before operating the out board motor Otherwise an accident could occur 00120 CAUTION Do not start the engine out of water Over heating and serious engine damage can occur EMU31550 Fuel e Check to be sure you have plenty of fuel for your trip e Make sure there are no fuel leaks or gaso line fumes e Check fuel line connections to be sure they are tight if equipped Yamaha fuel tank or boat tank e Be sure the fuel tank is positioned on a se cure flat surface and that the fuel line is not twisted or flattened or likely to contact sharp objects if equipped Yamaha fuel tank or boat tank e Check the water in the fuel filter with the water separator warning device Place the gear shift lever in neutral and turn the main switch to ON on If the buzzer sounds and the water separator warning indicator b
96. stand behind your purchase with strong warranty coverage To be sure you receive all the benefits of warranty please take the following steps 1 84 Be sure your new Yamaha is registered for warranty Your boat dealer should do this at the time of sale Make sure your dealer gives you a copy of the completed Yamaha registration card for your records If you are unsure whether or not your Yamaha is registered complete the Warranty Registration card found inside the cover of the Owner s Manual Mail it to the distributor for the country in which you live see step 6 for the correct address If your Yamaha is not properly registered a warranty repair could be unnecessarily delayed while registration records are checked Read the Limited Warranty statement which follows these instructions This warranty applies to Yamaha outboard motors sold in the United States whether purchased separately or when supplied as original equipment by a boat builder The terms also apply to original equipment packages sold in Canada with coverage provided by Yamaha Motor Canada see Warranty Guide for Canadian models This warranty explains the conditions of the warranty includ ing the obligations that your dealer and you as the owner have under the warranty For exam ple your Yamaha outboard must receive a proper pre delivery inspection PDI by the sell ing dealer Failure to take this important step could jeopardize warranty coverage If you need warrant
97. stern of the boat This distance can vary greatly from the actual distance traveled because of water cur rents sea swells and the condition of the water speed sensor partially plugged or damaged e Individual engines may slightly vary in their fuel consumption due to manufacturing variations These variations can be even greater if the engines are of different year models In addition variations in propel lers even of the same basic dimensions of the same design can also cause a slight variation in fuel consumption EMU26780 Twin engine speed synchronizer This gauge displays the difference in engine speed r min between the port and star board engines for reference purposes when synchronizing the two engines speeds Press the mode mode button repeatedly until the indicator on the face of the gauge points to SYNC synchronizer FUEL MANAGEMENT TTL ECON SYNC ZMUO1753 FUEL MANAGEMENT ZMUO1754 1 Port engine speed is higher 2 Port engine speed is slightly higher 3 Engine speed is synchronized evenly between port and starboard engines 4 Starboard engine speed is slightly higher 29 Basic components 5 Starboard engine speed is higher NOTE If the two engines speeds are not synchro nized while cruising they can be synchro nized by adjusting trim angle or throttle EMU31640 Command link multifunction meters Command link
98. t be started if battery volt age is too low EMU25742 Propeller selection The performance of your outboard motor will be critically affected by your choice of propel 10 ler aS an incorrect choice could adversely affect performance and could also seriously damage the motor Engine speed depends on the propeller size and boat load If engine speed is too high or too low for good engine performance this will have an adverse effect on the engine Yamaha outboard motors are fitted with pro pellers chosen to perform well over a range of applications but there may be uses where a propeller with a different pitch would be more appropriate For a greater operating load a smaller pitch propeller is more suit able as it enables the correct engine speed to be maintained Conversely a larger pitch propeller is more suitable for a smaller oper ating load Yamaha dealers stock a range of propellers and can advise you and install a propeller on your outboard that is best suited to your ap plication 7 004608 1 Propeller diameter inches 2 Propeller pitch in inches 3 Type of propeller propeller mark NOTE Select a propeller which will allow the engine to reach the middle or upper half of the oper ating range at full throttle with the maximum boat load If operating conditions such as light boat loads then allow the engine r min to rise above the maximum recommended range reduce the throttle setting
99. t can cause severe burns or permanent eye injury e Wear protective eye gear when han dling or working near batteries Antidote EXTERNAL e SKIN Flush with water e EYES Flush with water for 15 minutes and get immediate medical attention Antidote INTERNAL e Drink large quantities of water or milk followed by milk of magnesia beaten egg or vegetable oil Get immediate medical attention Batteries also generate explosive hydro gen gas therefore you should always follow these preventive measures e Charge batteries in a well ventilated ar 59 Maintenance ea e Keep batteries away from fire sparks or open flames for example welding equipment lighted cigarettes and so on e DO NOT SMOKE when charging or han dling batteries KEEP BATTERIES AND ELECTROLYTIC FLUID OUT OF REACH OF CHILDREN Batteries vary among manufacturers There fore the following procedures may not al ways apply Consult your battery manufacturer s instructions Procedure 1 Disconnect and remove the battery from the boat Always disconnect the black negative cable first to prevent the risk of shorting 2 Clean the battery casing and terminals Fill each cell to the upper level with dis tilled water 3 Store the battery on a level surface in a cool dry well ventilated place out of di rect sunlight 4 Onceamonth check the specific gravity of the electrolyte and recharge as re quired to prolong battery life
100. the size indication The wrong type of propeller could cause the boat to go in an unexpected direction which could lead to an accident EMU25500 Basic boating rules Rules of the road Just as there are rules which apply when you are driving on streets and high ways there are waterway rules which apply when you are driving your boat These rules are used internationally and are also enforced by the United States Coast Guard and local agen cies You should be aware of these rules and follow them whenever you encounter another vessel on the water Several sets of rules prevail according to geographic location but are all basically the same as the International Rules of the Road The rules presented here in your Owner s Manual are condensed and have been pro vided for your convenience only Consult your local U S Coast Guard Auxiliary or De partment of Motor Vehicles for a complete set of rules governing the waters in which you will be using your boat EMU25510 Steering and sailing rules and sound signals Whenever two vessels on the water meet one another one vessel has the right of way it is called the stand on vessel The vessel which does not have the right of way is called the give way or burdened vessel General information These rules determine which vessel has the right of way and what each vessel should do Stand on vessel The vessel with the right of way has the duty to continue its course
101. ting the motor to and from an authorized Yamaha Outboard Motor Dealer are exclud ed from warranty coverage Specific parts excluded from the second and third year of warranty if applicable are Top and Bottom Cowling Electric Components other than ignition system Rubber Components such as hoses tubes rubber seals fittings and clamps TRANSFER OF WARRANTY Transfer of the warranty from the original purchaser to any subsequent purchaser is possible by having the motor inspected by an authorized Yamaha Outboard Motor Dealer and requesting the dealer to submit a change of registration to Yamaha Motor Corporation U S A within ten 10 days of the transfer YAMAHA MOTOR CORPORATION U S A MAKES NO OTHER WARRANTY OF ANY KIND EXPRESSED OR IMPLIED ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE WHICH EXCEED THE OBLIGATIONS AND TIME LIMITS STATED IN THIS WARRANTY ARE HEREBY DISCLAIMED BY YAMAHA MOTOR CORPORATION U S A AND EXCLUDED FROM THIS WARRANTY SOME STATES DO NOT ALLOW LIMITATIONS ON HOW LONG AN IMPLIED WARRANTY LASTS SO THE ABOVE LIMITATIONS MAY NOT APPLY TO YOU ALSO EXCLUDED FROM THIS WARRANTY ARE ANY INCIDENTAL OR CONSEQUENTIAL DAMAGES INCLUDING LOSS OF USE SOME STATES DO NOT ALLOW THE EXCLUSION OR LIMITATION OF INCIDENTAL OR CONSE QUENTIAL DAMAGES SO THE ABOVE EXCLUSION MAY NOT APPLY TO YOU THIS WARRANTY GIVES YOU SPECIFIC LEGAL RIGHTS AND YOU MAY ALSO HAVE OTHER RIGHTS WHICH VARY FROM STAT
102. to maintain the engine in the proper operating range For instructions on propeller removal and in stallation see page 69 EMU25770 Start in gear protection Yamaha outboard motors or Yamaha ap proved remote control units are equipped with start in gear protection device s This feature permits the engine to be started only when it is in neutral Always select neutral before starting the engine General information 11 Basic components EMU25799 Main components NOTE May not be exactly as shown also may not be included as standard equipment on all mod els F115 LF115 1 Top cowling 2 Top cowling lock lever s 3 Drain screw 4 Anti cavitation plate 5 Trim tab anode 6 Propeller 7 Cooling water inlet 8 Anode 9 Flushing device 10 Water separator 11 Power trim and tilt switch 12 Remote control box side mount type 13 Remote control box binnacle mount type 14 Switch panel for use with binnacle type 12 ZMU04773 15 Tachometer 16 Trim meter 17 Digital speedometer 18 Digital tachometer 19 Fuel management meter Basic components SPEED BE x100 km h rimin 0 men x 8 6 SPEE
103. up 21 Flushing device 22 Water 22 Tachometer 22 Digital tachometer 22 Low oil pressure warning 23 Low oil pressure warning indiCator 23 Overheat warning indicator 24 Overheat warning indicator digital TYPO ee ete n 24 Speedometer digital type 24 Trim meter usse 25 Trim meter digital type 25 Hour meter digital 25 Trip meter esses 26 CIOCK L Homme Nina 26 Fuel gauge 26 Fuel warning indicator 27 Low battery voltage warning IndiCator eei ta 27 Fuel management meter 27 Fuel flow 28 Fuel consumption meter 28 Fuel 28 Twin engine speed synchronizer 29 Command link multifunction IDGters iioi tete ebd 30 Tachometer unit 30 Speed amp fuel meter unit 33 Speedometer unit 34 Fuel management meter 35 Warning system 36 Overheat warning twin eng
104. veer the right starboard side turn the trim tab end to the starboard side B in the figure ECMO00840 CAUTION The trim tab also serves as an anode to Basic components protect the engine from electrochemical corrosion Never paint the trim tab as it will become ineffective as an anode ZMU03979 1 Tilt support lever ZMU02525 EMU26382 Top cowling lock lever pull up type 1 Trim tab To remove the engine top cowling pull up 2 Bolt the lock lever s and lift off the cowling 3 Cap When installing the cowling check to be sure it fits properly in the rubber seal Then lock the cowling by moving the lever s down ward ZMUO1863 EMU26340 Tilt support lever for power trim and tilt or hydro tilt model To keep the outboard motor in the tilted up position lock the tilt support lever to the clamp bracket 1 Top cowling lock lever s 21 Basic components 1 Top cowling lock lever s EMU26460 Flushing device This device is used to clean the cooling wa ter passages of the motor using a garden hose and tap water NOTE For details on usage see page 60 ZMU04256 1 Flushing device EMU31702 Water separator This engine has a combination fuel filter wa ter separator and associated warning sys tem If water separated from the fuel exceeds a specific volume the warning de vice will activate 22 ZMU05483 Activation of warning device e The wate
105. vere burns or permanent eye injury e Wear protective eye gear when han dling or working near batteries Antidote EXTERNAL e SKIN Flush with water e EYES Flush with water for 15 minutes and get immediate medical attention Antidote INTERNAL e Drink large quantities of water or milk followed by milk of magnesia beaten egg or vegetable oil Get immediate medical attention Batteries also generate explosive hydro gen gas therefore you should always follow these preventive measures e Charge batteries in a well ventilated ar ea e Keep batteries away from fire sparks or open flames for example welding equipment lighted cigarettes and so on e DO NOT SMOKE when charging or han dling batteries KEEP BATTERIES AND ELECTROLYTIC FLUID OUT OF REACH OF CHILDREN ECMO00360 CAUTION e A poorly maintained battery will quickly Maintenance deteriorate e Ordinary tap water contains minerals harmful to a battery and should not be used for topping up 1 Check the electrolyte level at least once a month Fill to the manufacturer s rec ommended level when necessary Top up only with distilled water or pure de ionized water suitable to use in batter ies ZMU01810 2 Always keep the battery in a good state of charge Installing a voltmeter will help you monitor your battery If you will not use the boat for a month or more re move the battery from the boat and store it in a cool dark pla
106. y repairs you must take your Yamaha outboard to an authorized Yamaha outboard dealer Be aware that not all selling boat dealers are authorized Yamaha dealers Only authorized dealers have the factory training special tools and Yamaha support need ed to perform warranty repairs If you are away from home or your selling dealer is not an authorized Yamaha dealer use the following toll free numbers to find the nearest Yamaha dealer United States Dealer Locations 1 800 692 6242 Canada Dealer Locations 1 800 267 8577 ZMU01682 Consumer information 5 Your warranty applies specifically to repairs made in the country of purchase If your U S purchased Yamaha needs warranty service while in Canada or your Canadian purchased Yamaha needs service while in the United States Yamaha will assist the local dealer when ever possible However some products available in one country may not be sold or serviced in the other 6 If you need any additional information about your Yamaha or warranty coverage which your dealer cannot provide please contact us directly Yamaha Motor Corporation USA 1270 Chastain Road Kennesaw GA 30144 Attention Customer Relations Department Telephone No 866 894 1626 Fax No 770 420 6106 Yamaha Motor Canada Ltd 480 Gordon Baker Road Toronto Ontario M2H 3B4 Attention Customer Relations Department Telephone No 416 498 1911 Fax No 416 491 3122 2 001683 85 Consumer information

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