Home

F4 Owner`s Manual

1. 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 spacer if equipped thrust washer and propeller on the propeller shaft 3 Install the spacer if equipped and the washer Tighten the propeller nut until there is no forward and backward movement 4 Align the propeller nut with the propeller shaft hole Insert a new cotter pin in the hole and bend the cotter pin ends INK ZMU02185 NOTE If the propeller nut does not align with the propeller shaft hole after tightening it loosen the nut until it aligns with the hole EMU29282 Changing gear oil EWM00800 e Be sure the outboard motor is securely fastened to the transom or a stable stand You could be severely injured if 47 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 ZMU02715 1 Gear oil drain screw 2 Oil level plug NOTE e lf a magnetic gear oil drain screw is equi
2. 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 ECMO0800 CAUTION Failure to follow the break in procedure could result in reduced engine life or even severe engine damage EMU27081 Procedure for 4 stroke models 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 EMU27102 Preoperation checks EWMmo0080 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 ECM00120 CAUTION Do not start the engine out of water Over heating and serious engine damage can occur EMU27111 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
3. ZMU02719 4 Remove the starter after removing the three bolts 5 Reinstall two bolts to secure the fuel 54 T rouble Recover ZMUO02721 ae Prepare the engine for starting For fur ther information see page 23 Be sure the engine is in neutral and that the en gine stop switch lanyard lock plate is at tached to the engine stop switch 55 ZMU02683 Insert the knotted end of the emergency starter rope into the notch in the flywheel rotor and wind the rope several turns around the flywheel clockwise Pull the rope slowly until resistance is felt 9 Give a strong pull straight out to crank and start the engine Repeat if neces sary 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 EMU29783 Procedure 1 Thoroughly wash away mud salt sea weed and so on with fresh water ZMU02703 2 Remove the spark plug s then face the spark plug holes downward to allow any water mud or contaminants to drain 3 Drain the fuel from the carburetor fuel filter and fuel line Drain the engine oil completely lt 7 FR 2 2 AE 4 Fill the sump with the fresh engine oil Engine oil capacity 0 5
4. 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 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 black letters and orange boarders They signify speed zones re
5. Trim rod 9 Clamp bracket 10 Tiller handle 11 Air vent screw 12 Fuel tank cap 13 Manual starter handle 14 Engine stop button Engine stop lanyard switch 11 ZMU04483 15 Clamp screw 16 Rope attachment 17 Fuel joint 18 Choke knob 19 Gear shift lever 20 Fuel tank EMU25802 Fuel tank If your model was equipped with a portable fuel tank its function is as follows EWMO0020 The fuel tank supplied with this engine is Basic components its dedicated fuel reservoir and must not be used as a fuel storage container Com mercial users should conform to relevant licensing or approval authority regula tions ZMU01992 1 Air vent screw 2 Fuel gauge 3 Fuel joint 4 Fuel tank cap EMU25821 Fuel tank If your model included a fuel tank its parts and functions are as follows ZMU02658 1 Air vent screw 2 Built in fuel tank 3 Fuel tank cap EMU25830 Fuel joint This joint is used to connect the fuel line EMU25841 Fuel gauge This gauge is located on either the fuel tank cap or on the fuel joint base It shows the ap proximate amount of fuel remaining in the tank EMU25850 Fuel tank cap This cap seals the fuel tank When removed the tank can be filled with fuel To remove the cap turn it counterclockwise EMU25860 Air vent screw This screw is on the fuel tank cap To loosen the screw turn it counterclockwise EMU25872 Fuel cock The fuel cock turn
6. 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 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 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
7. 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 20 Operation 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 e Look for loose or damaged connections e Check operation of the starter and stop switches when the outboard motor is in the water EMU27140 Engine e Check the engine and engine mounting e Look for loose or damaged fasteners e Check the propeller for damage EMU27163 Checking the engine oil level 1 Put the 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 it is below the lower mark or drain to the specified level if it is above the upper mark ZMU02677 1 Oil dipstick 21 ZMU02678 1 Lower level mark 2 Oil dipstick 3 Upper level mark NOTE Be sure to completely insert the dipstick into the dipstick guide EMU30541 Filling fuel EWMO00060 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 Carefull
8. hair and clothes away from the flywheel and other rotating parts while the engine is running ECM00490 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 34 EMU29103 Changing engine oil EWM00760 e Avoid draining the engine oil immedi ately after stopping the engine The oil 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 ECM00970 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 level is above the upper level mark drain until the leve
9. 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 EMU28302 Procedure EMU28372 Flushing in a test tank 1 Wash the outboard motor body using fresh water For further information see page 38 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 drained instead 3 Remove the engine top cowling and si lencer cover 36 Maintenance 4 Install the outboard motor on the test tank ZMU02176 1 Water surface 2 Lowest water level 5 Fill the tank with fresh water to above the level of the anti cavitation plate ECM00300 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 ECM00290 CAUTION If the fresh water level i
10. He M B K INDUSTRIE PRODUCT ASSEMBLED IN FRANCE PRODUIT ASSEMBLE EN FRANCE ZMU02115 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 EMU25242 Approval label of emission control certif icate This label is attached to the bottom cowling New Technology 4 stroke HPDI EM ZMU05201 1 Approval label location EMISSION CONTROL INFORMATION EM ENGINE FAMILY i l THIS ENGINE CONFORMS T REGULATIONS FOR SI MARINE ENGINES REFER TO THE OWNER S MANUAL FOR MAINTENANCE SPECIFICATIONS AND ADJUSTMENTS IDLE SPEED SPARK PLUG GAP CALIFORNIA AND U S EPA EMISSION NEUTRAL DISPLACEMENT FUEL GASOLINE ADVERTISED POWER kw VALVE LASH mm IN YAMAHA MOTOR CO LTD ZMU05159 EMU25262 Manufactured date label This label is attached to the clamp bracket or the swivel bracket ZMU02651 1 Manufactured date label location YAMAHA Manufactured ZMU04346 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 ZMU04509 1 Star labels location General information EMU25280 One Star Low Emission
11. 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 F4MH and the standard accessories are used as a base for the explanations and illus trations in this manual Therefore some items may not apply to every model EMU25130 F4 OWNER S MANUAL 2006 by Yamaha Motor Corporation USA 1st Edition January 2006 All rights reserved Any reprinting or unauthorized use without the written permission of Yamaha Motor Corporation USA is expressly prohibited Printed in France P N LIT 18626 07 05 Table of contents General information s 0eee 1 Identification numbers record 1 Outboard motor serial number 1 Emission control information 1 North American models 1 Star labels 2 Safety information 3 Important labels 4 Warning labels 4 Caution labels 5 Basic boating rules Rules of the road s e 5 Steering and sailing rules and sound signals 5 Rules when encountering vessels 6 Other special situations 7 Fueling instructions 8 GaASONING cess sin menienihinmtumen 9 Engine oil sert taie 9 Prop
12. Warming up engine 25 Manual start models 25 SHUPING aiuti kea rues 25 Forward tiller handle and remote control Models 26 ReV6rse ws net t 26 Stopping engine 26 Procedure 26 Trimming outboard motor 27 Adjusting trim angle for manual tilt MOJJE ieres o aen 28 Adjusting boat trim 28 Tilting up and down 29 Procedure for tilting up manual tilt models issues 30 Procedure for tilting down manual tilt models 31 Cruising in shallow water 32 Cruising in shallow water manual tilt models 32 Cruising in other conditions 33 Maintenance Specifications Transporting and storing outboard MOTOT Siren tiieis rende ntietienieuts 35 Clamp screw mounting models 35 Storing outboard motor 36 Procedure 36 Table of contents Lubrication except oil injection MOTOR MOAIS eieaa asta een 37 THREE YEAR LIMITED Cleaning and anticorrosion WARRANTY oseese 59 MEASUFES LE tn tau ns 38 IMPORTANT WARRANTY Cleaning the outboard motor 38 INFORMATION IF YOU USE Checking painted surface of YOUR YAMAHA OUTSIDE THE MOLO reap ent 38 USA OR CANADA 0 esses 61 Periodic maintenance 38 Replacement parts 38 Maintenance chart eee 39 Maintenance chart additional 40 Greasing ins ein ne 41 Cleaning and adjusting spark PUGS Er eee tuitions leases 41 Checking fuel system
13. 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 15 ZMU02667 1 Lanyard 2 Lock plate EMU26001 Engine stop button To open the ignition circuit and stop the en gine push this button ZMU02668 EMU26011 Choke knob for pull type To supply the engine with the rich fuel mix ture required to start pull out this knob ZMU02669 Basic components EMU26070 Manual starter handle To start the engine first gently pull the han dle out until resistance is felt From that posi tion then pull the handle straight out quickly to crank the engine ZMU02670 EMU26122 Steering friction adjuster A friction device provides adjustable resis tance to the steering mechanism and can be set according to operator preference An ad justing screw or bolt is located on the swivel bracket ZMU02671 To increase resistance turn the adjuster clockwise To decrease resistance turn the adjuster counterclockwise EWMO0040 Do not overtighten the friction adjuster If there is too much resistance it could be difficult to steer which could result in an accident EMU26261 Trim rod tilt pin The position of
14. loose or damaged A Tighten or have serviced by a Yamaha dealer EMU29432 Temporary action in emergency EMU29440 Impact damage EWM00870 The outboard motor can be seriously 53 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 ZMU01814 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 EMU29532 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 with an emer gency starter rope 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 Trouble Recovery could result in an accident Attach the engine stop switch lanyard to a secure place on your clothing or your arm or leg while operating the boat Do not attach the lanyard to clothing that could tea
15. 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 ZMUO02711 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 ZMU02712 e Check the propeller shaft oil seal for dam age Maintenance 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 the shaft If this happens the shear pin must be replaced 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 1 ZMU02184 1 Cotter pin 2 Propeller nut 3 Washer 4 Propeller 5 Thrust washer 3 Remove the propeller and thrust wash er EMU30670 Installing the Propeller EMU30371 Spline models ECM00340 CAUTION e Be sure to install the thrust washer be fore installing the propeller otherwise the lower case and propeller boss 46 Maintenance
16. the trim rod determines the minimum trim angle of the outboard motor in relation to the transom ZMU02672 EMU26312 Tilt lock mechanism The tilt lock mechanism is used to prevent the outboard motor from lifting out of the wa ter when in reverse gear ZMU04497 1 Tilt lock lever To lock it set the tilt lock lever in the A lock position To release push the tilt lock lever in the release position EMU26330 Tilt support bar The tilt support bar keeps the outboard motor in the tilted up position 16 Basic components ZMU02674 EMU26382 Top cowling lock lever pull up type To remove the engine top cowling pull up the lock lever s and lift off the cowling 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 ZMU02675 1 i CA 1 Top cowling lock lever s ZMU04522 1 Top cowling lock lever s EMU26450 Carrying handle A carrying handle is provided on the rear of the outboard motor It enables you to carry the outboard motor easily with one hand ZMU02676 1 Carrying handle Operation EMU26901 Installation ECM00110 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
17. water Correct trim angle will help im prove performance and fuel economy while reducing strain 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 EWM00740 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 Operation ZMU02690 1 Trim operating angle EMU27872 Adjusting trim angle for manual tilt models There are 4 or 5 holes provided in the clamp bracket to adjust the outboard motor trim an gle 1 Stop the engine 2 Tilt the outboard motor up and then re move the trim rod from the clamp brack et ZMU02691 1 Trim rod 3 Reposition the rod in the desired hole To raise the bow trim out move the rod away from the transom To lower the bow trim in move the rod to ward the transom Make test runs with the trim set to different angles to find the position that works best for your boat and operating conditions EWM00400 e Stop the engine before adjusting the trim angle e Use care to avoid being pinched when removing or installing the rod e Use caution when trying a trim positio
18. 01201 CAUTION Store the engine only as shown Otherwise engine damage could result from leaking oil 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 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 and speed except to avoid an immediate co
19. 42 Checking fuel filter 43 Inspecting idling speed 43 Changing engine oil 43 Checking wiring and connectors 45 Exhaust leakage 45 Water leakage eeen 45 Engine oil leakage 45 Checking propeller 45 Removing the propeller 46 Installing the Propeller nsee 46 Changing gear oil 47 Cleaning fuel tank 48 Inspecting and replacing anode S ire sente senhiuee 48 Checking top cowling eseeeeeeeeee 49 Coating the boat bottom 49 Trouble Recovery 50 Troubleshooting 50 Temporary action in emergency 53 Impact damage eeeesseeeeeeeees 53 Starter will not operate ee 53 Emergency starting engine 54 Treatment of submerged motor 55 Procedure 55 Consumer information 57 Important warranty information for U S A and Canada aaaieeeee 57 YAMAHA MOTOR CORPORATION U S A FOUR STROKE OUTBOARD General information 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 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
20. Choose the setting that offers the best performance and fuel economy for the desired operation ZMU02665 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 adjuster 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 ZMU02666 When constant speed is desired tighten the adjuster to maintain the desired throttle set ting 14 Basic components 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 EWMO00120 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
21. Inspection replace ment O O Anode s internal Inspection replace ment O Cooling water pas sages Cleaning Cowling clamp Inspection Fuel filter disposable Inspection replace ment Fuel system Inspection Fuel tank built in tank Inspection cleaning Fuel tank Yamaha por table tank Inspection cleaning Gear oil Change Greasing points Greasing Idling speed carbure tor models Propeller and cotter pin Inspection Inspection replace ment Shift link shift cable Inspection adjustment Thermostat Inspection replace ment Throttle link throttle cable throttle pick up timing Inspection adjustment Water pump 39 Inspection replace ment Actions Maintenance Initial Every 50 hours 3 months 10 hours 1 month 200 hours 1 year 100 hours 6 months Engine oil Inspection change Spark plug s Cleaning adjustment replacement Valve clearance OHC OHV EMU28874 Maintenance chart Item Inspection adjustment additional Actions O Every 500 hours 2 5 years 1000 hours 5 years Exhaust guide exhaust manifold Inspection replace ment O 40 Maintenance EMU28931 Greasing Yamaha marine grease Water resistant grease EMU28952 Clea
22. L 0 53 US qt 0 44 Imp qt 5 Feed engine fogging oil or engine oil through the carburetor s and spark plug holes while cranking the engine with the manual starter or emergency starter rope ZMU02725 6 Take the outboard motor to a Yamaha dealer as soon as possible ECMO0400 CAUTION Do not attempt to run the outboard motor until it has been completely inspected rouble Recover 56 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 stand behind your purchase with strong warranty coverage To be sure you receive all the benefits of warranty please take the following steps 1 57 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 re
23. 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 MOD LE ET NO DE SERIE DU MOTEUR HORS BORD sur l tiquette d identification de la presse de fixation A l usage du concessionnaire YAMAHA DEALER NUMBER YAMAHA EE i H a SAE es fe 1 1 M B K INDUSTRIE q SEATER NAME PRODUCT ASSEMBLED IN FRANCE e f l PRODUIT ASSEMBLE EN FRANCE CONCESSIONNAIRE USAGE PLEASURE O Check One LOISIR DATE SOLD DATE DE UTILISATION 7 COMMERCIAL LIVRAISON J En cocher un COMMERCIAL OWNER S NAME NOM DU PROPRIETAIRE nianma aM a a a FIRST LAST ADDRESS PR NOM NOM DE FAMILLE ADRESSE STREET RUE STATE PROVINCE ZIP PROVINCE CODE POSTAL PHONE NUMBER NUMERO DE TELEPHONE PLACE POSTAGE HERE ATTN WARRANTY DEPARTMENT
24. 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 LOW Irs ZMU01702 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 ZMU01703 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 General information these standards have 65 lower emissions than One Star Low Emission engines e Have an approved personal flotation de vice PFD on board for every occupant It ZMU01704 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 Before operating the boat read any own ers or operators manuals supplied with it and all labels Be sure you understand each item before operating Do not overpower the boat with this out board motor Overpowering the boat could result in loss of control The rated power of the outboard should
25. U26970 Clamping the outboard motor 1 Place the outboard motor on the tran som so that it is positioned as close to the center as possible Tighten the tran som clamp screws evenly and securely Occasionally check the clamp screws for tightness during operation of the out board motor because they could be 19 come loose due to engine vibration EWM00640 Loose clamp screws could allow the out board motor to fall off or move on the transom This could cause loss of control and serious injury Make sure the tran som screws are tightened securely Oc casionally check the screws for tightness during operation ZMU02012 2 If the engine restraint cable attachment is equipped on your engine an engine restraint cable or chain should be used Attach one end to the engine restraint cable attachment and the other to a se cure mounting point on the boat Other wise the engine could be completely lost if it accidentally falls off the transom ZMU02013 3 Secure the clamp bracket to the transom using the bolts provided with the out Operation board if packed For details consult your Yamaha dealer EWMO00650 Avoid using bolts nuts or washers other than those contained in the engine pack aging If used they must be of at least the same quality of material and strength and must be tightened securely After tighten ing test run the engine and check their tightness ZMU02637 1 Bolts EMU30173
26. YAMAHA F4 OWNER S MANUAL U S A Edition LIT 18626 07 05 68D F8199 17 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 ZMU01690 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 Owners 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 ECMO00700 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 and quality
27. and oil Recommended fuel Regular unleaded gasoline Min pump octane 86 Fuel tank capacity built in type 1 1 L 0 29 US gal 0 24 Imp gal 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 34 Maintenance Engine oil quantity excluding oil filter 0 5 L 0 53 US qt 0 44 Imp qt Recommended gear oil Hypoid gear oil SAE 90 Gear oil quantity 100 0 cm 3 38 US oz 3 53 Imp oz Tightening torque for engine Spark plug 25 0 Nm 18 4 ft lb 2 55 kgf m Engine oil drain bolt 18 0 Nm 13 3 ft lb 1 84 kgf m 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 cause fuel leakage and a potential fire hazard EWM00700 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 ECMO0660 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 an
28. 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 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 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 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 w
29. d fall If the motor cannot be trail 35 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 ZMU02699 EMU28235 Clamp screw mounting models When transporting or storing the outboard motor while removed from a boat keep the outboard motor in the attitude shown ZMU02699 ZMU02700 OO ZMUO02701 ZMU04507 NOTE Place a towel or something similar under the outboard motor to protect it from damage EMU28241 Storing outboard motor When storing your Yamaha outboard motor for prolonged periods of time 2 months or longer several important procedures must be performed to prevent excessive damage It is advisable to have your outboard motor Maintenance 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
30. dels 1 Slightly tilt the outboard motor up 2 If equipped with the tilt support bar Slowly tilt the outboard motor down while pulling the tilt support bar lever up Operation ZMU02673 3 If equipped with the tilt support knob Pull the knob out and then slowly tilt the outboard motor down 4 If equipped with the tilt support lever Slowly tilt the outboard motor down while pulling the tilt support lever up 5 Loosen the steering friction adjuster by turning it counterclockwise and adjust the steering friction according to opera tor preference EWMO00720 If there is too much resistance it could be difficult to steer which could result in an accident ZMU02695 EMU28060 Cruising in shallow water The outboard motor can be tilted up partially to allow operation in shallow water EMU28071 Cruising in shallow water manual tilt models EWM00710 e Place the gear shift in neutral before us ing the shallow water cruising system e Run the boat at the lowest possible speed when using the shallow water cruising system The tilt lock mecha nism does not work while the shallow water cruising system is being used Hitting an underwater obstacle could cause the outboard motor to lift out of the water resulting in loss of control e Do not rotate the outboard motor 180 and operate the boat in reverse Place the gear shift in reverse to operate the boat in reverse e Use extra care when operating in
31. egistration 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 specified 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 mainte
32. eller selection 10 Start in gear protection 10 Basic components sssssessnsennennee 11 Main components 11 Fueltank ana 11 Fuel tank e a a 12 Fuel JOINT iriiri 12 Fuel gauge 12 Fuel tank cap 12 Air vent SCrEW 12 FUCI COCK sates ententes 12 Open ire mais icles 13 Tiller handle 13 Gear shift lever 13 Throttle grip 14 Throttle indicator 14 Throttle friction adjuster 14 Engine stop lanyard switch 15 Engine stop button 15 Choke knob for pull type 05 15 Manual starter handle 16 Steering friction adjuster 16 Trim rod tilt pin 16 Tilt lock mechanism 16 Tilt support bar 16 Top cowling lock lever pull UP type eee eee eee eee rete 17 Carrying handle 17 Operation 18 Installation 18 Mounting the outboard motor 18 Clamping the outboard motor 19 Breaking in engine ae 20 Procedure for 4 stroke models 20 Preoperation checks 06 20 Felesi ea tsi 20 CONOS aeeoa Mate 21 ENgINE ki n weak 21 Checking the engine oil level 21 Filling fuel 21 Operating engine ceeee 22 Feeding fuel 22 Starting engine 23
33. 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 General information Chicago II 60601 EMU25382 Important labels EMU25395 Warning labels ZMU02654 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 EMU25431 Label EWM01300 e This engine is equipped with a neutral starting device e The engine will not start unless the shift control is in neutral position EMU25441 Label EWM01311 LEAKING FUEL COULD CAUSE A FIRE Before tilting up the engine or laying it on its side e Turn the fuel cock to the closed posi General information tion e Tighten the air vent screw on the fuel tank cap EMU25465 Caution labels y ZMU02655 K _ EMU25482 Label ECM
34. er starting 2 Check for a steady flow of water from the 25 cooling water pilot hole ECMO0511 CAUTION A continuous flow of water from the cool ing water pilot hole shows that the water pump is pumping water through the cool ing passages If water is not flowing out of the hole at all times while the engine is running overheating and serious dam age 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 problem cannot be located and corrected ZMU02686 N EMU27740 Shifting Before shifting make sure there are no swimmers or obstacles in the water near you 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 Operation EMU27764 Forward tiller handle and remote control models Tiller handle models 1 Place the throttle grip in the fully closed position FFT i if 1 j L ZMU02685 2 Move the gear shift lever quickly and firmly from neutral to forward Remote control models 1 Pull up the neutral interlock trigger if equipped and move the remote control lever quickly and firmly from neutral to forward EMU27801 Reverse EWM00190 When operating in reverse go slowly Do not open the
35. first slightly tilt the outboard motor up Then pull up the tilt support bar lever and slowly tilt the en 33 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 717 mm 28 2 in Overall width 361 mm 14 2 in Overall height S 1029 mm 40 5 in Overall height L 1156 mm 45 5 in Transom height S 435 mm 17 1 in Transom height L 562 mm 22 1 in Weight AL S 22 0 kg 49 lb Weight AL L 23 0 kg 51 lb Performance Full throttle operating range 4000 5000 r min Maximum output 2 9 kW 4500 r min 4 HP 4500 r min Idling speed in neutral 1500 50 r min Engine Type 4 stroke S Displacement 112 0 cm 6 83 cu in Bore x stroke Maintenance 59 0 x 41 0 mm 2 32 x 1 61 in Ignition system TCl Spark plug NGK BR6HS Spark plug gap 0 6 0 7 mm 0 024 0 028 in Control system Tiller Starting system Manual Starting carburetion system Choke valve Valve clearance cold engine IN 0 08 0 12 mm 0 0032 0 0047 in Valve clearance cold engine EX 0 08 0 12 mm 0 0032 0 0047 in Drive unit Gear positions Forward neutral reverse Gear ratio 2 08 27 13 Trim and tilt system Manual tilt Propeller mark BA Fuel
36. gistered 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 warranty 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 countr
37. 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 ZMU01760 1 Center line keel line EMU26920 Mounting height 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 18 Operation 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 between the bottom of the boat and a level 25 mm 1 in below it ZMU02011 NOTE e The optimum mounting height of the out board motor is affected by the boat and motor combination and the desired use Test runs at different heights can help de termine the optimum mounting height Consult your Yamaha dealer or boat man ufacturer for further information on deter mining the proper mounting height e For instructions on setting the trim angle of the outboard motor see page 27 EM
38. ill pull from the switch stopping the engine 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 Stay informed about the weather Check weather forecasts before boating Avoid boating in hazardous weather 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 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 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
39. l 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 0 5 L 0 53 US qt 0 44 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 A EN i N EE Gece SN lt ZMU05190 ECM01050 CAUTION All 4 stroke engines are shipped from the factory without engine oil ss mn Fill engine oil A ada aceite de motor Colocar oleo de motor Faire le plein d huile moteur ALWEMATCSEEW Ba AMPEG ALU ZMU01710 EMU25742 Propeller selection The performance of your outboard motor will be critically affected by your choice of propel 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 c
40. l 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 Putthe outboard motor in an upright po sition not tilted ZMU02699 2 Prepare a suitable container that holds a larger amount than the engine oil capac ity Loosen and remove the drain screw Maintenance 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 ZMU02709 1 Drain screw 3 Put a new gasket on the oil drain screw Apply a light coat of oil to the gasket and install the drain screw Tightening torque See page 34 NOTE If a torque wrench is not available when you are installing the drain plug finger tighten the bolt just until the gasket comes into contact with the surface of the drain hole Then tight en 1 4 1 2 turn Have the drain plug torqued to the correct value with a torque wrench as soon as possible 4 Add the correct amount of oil through the filler hole Install the filler cap 44 Maintenance ZMU02677 1 Oil filler cap Engine oil grade capacity See page 34 5 Start the engine and make sure that there are no oil leaks 6 Turn off the e
41. lace the gear shift lever in neutral ZMU02680 1 3 If you are using an external fuel tank connect the fuel joints securely and lt squeeze the primer pump with the outlet end up until you feel it become firm if PNR equipped the fuel joint NOTE The start in gear protection device prevents the engine from starting except when in neu 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 ZMU02679 M pa 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 23 Operation 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 ZMU02669 NOTE e It is not necessary to use the choke when starting a warm engine e If the choke knob is left in the START start position while the engine is running the engine will run poorly or stall 5 Pull the manual starter handle slowly un til you feel resistance Then give a stro
42. llision 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 sel head on Crossing you are traveling across the oth er vessel s path Overtaking you are passing or being passed by another
43. n 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 NOTE The outboard motor trim angle can be changed approximately 4 degrees by shifting the trim rod one hole 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 28 Operation 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 ZMU01784 Bow Up 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 ZMU01785 Bow Down Too much trim in causes the boat to plow through the water decreasing fuel economy 29 and making it hard to increase speed Oper ating with excessive trim in at higher speeds also makes the boat unstable Resistance a
44. n 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 23 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 50 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 by a Yamaha dealer Q Has
45. nance 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 DnR ZMU01687 59 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 transporting 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 e Top and Bottom Cowling e 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 C
46. ndicates 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 41 EMU28421 Cleaning and anticorrosion measures 1 Wash down the exterior of the outboard motor with fresh water and dry off com pletely 2 Spray the outboard motor exterior with Yamaha Silicone Protectant Part No LUB SILCNE 13 00 3 Wax the cowling with a non abrasive wax such as Yamaha Silicone Wax Part No ACC 11000 15 02 EMU28450 Cleaning the outboard motor After use wash the exterior of the outboard motor with fresh water Flush the cooling system with fresh water ZMU02703 NOTE For cooling system flushing instructions see page 35 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 indi
47. ng en gine in this chapter Never tilt the outboard motor while the engine is run ning Severe damage from overheating can result e Do not tilt up the engine by pushing the 3 Tighten the air vent screw On models tiller handle because this could break equipped with a fuel joint disconnect the the handle fuel line from the outboard motor ZMU02696 e Keep the power unit higher than the propeller at all times Otherwise water could run into the cylinder and cause damage e The outboard motor cannot be tilted 30 O 31 eration ZMU02450 ZMU02660 Tilt support bar equipped models Hold the rear of the top cowling or the rear handle if equipped with one hand and tilt the outboard motor up fully until the tilt support bar automatically locks ZMU02694 6 Tilt support knob equipped models Hold the rear of the top cowling with one hand fully tilt the outboard motor up and push the tilt support knob into the clamp bracket 7 Tilt support lever equipped models Hold the rear handle and tilt the engine up ful ly until the tilt support lever automatically locks NOTE Tilt support lever bar equipped models If the motor is not facing forward the tilt support le ver bar cannot automatically turn to the locked position If the tilt support lever bar does not automatically lock swing the motor a little to the left and right EMU28032 Procedure for tilting down manual tilt mo
48. ng pull straight out to crank and start the engine Repeat if necessary ZMU02683 3 Place the throttle grip in the START start position ZMU02670 ZMU02684 6 After the engine starts slowly return the 4 Pull out turn the choke knob fully After manual starter handle to its original po the engine starts replace return the sition before releasing it knob to the home position 7 Slowly return the throttle grip to the fully closed position 24 Operation ZMU02685 NOTE e When the engine is cold it needs to be warmed up For further information see page 25 e If the engine does not start on the first try repeat the procedure If the engine fails to start after 4 or 5 tries see page 50 Also if the engine is warm and fails to start open the throttle halfway and try to start the en gine again EMU27670 Warming up engine EMU27732 Manual start models 1 After starting the engine return the choke knob to the halfway position For approximately the first 5 minutes after starting warm up the engine by operat ing at one fifth throttle or less After the engine has warmed up push the choke knob in fully Failure to do so will shorten engine life NOTE e f the choke knob is left pulled out after the engine starts the engine will stall e In temperatures of 5 C or less leave the choke knob pulled out fully for approxi mately 30 seconds aft
49. ngine 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 NOTE e For disposal of used oil consult your Yamaha dealer e The oil should be changed more often when the engine is operated under ad verse conditions such as extended trolling EMU29112 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 45 EMU29130 Water leakage Start the engine and 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 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
50. ngine 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 clogged A Clean or replace filte
51. ning and adjusting spark plug EWM00560 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 41 ZMU02706 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 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 BR6HS 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 2 Spark plug I D mark NGK 3 Spark plug part number Spark plug gap 0 6 0 7 mm 0 024 0 028 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 f
52. ntil you are clear of it Likewise if an other vessel is passing you you should maintain your speed and direction so that the General information 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 of way The exceptions to this are
53. orporation 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 covering the cost of parts and labor for major components only The major components covered are Power Unit Section e 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 r
54. orporation 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 STATE TO STATE YAMAHA MOTOR CORPORATION USA 1270 Chastain Road Kennesaw GA 30144 ZMU01688 60 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 sho
55. orrect 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 General information ZMU04604 1 Propeller diameter in 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 to maintain the engine in the proper operating range For instructions on propeller removal and in stallation see page 45 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 10 Basic components EMU25797 Main components NOTE May not be exactly as shown also may not be included as standard equipment on all mod els 1 Top cowling 2 Top cowling lock lever 3 Carrying handle 4 Steering friction screw 5 Anti cavitation plate 6 Propeller 7 Cooling water inlet 8
56. pped 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 allow the oil to drain completely ECM00710 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 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 100 0 cm 3 38 US oz 3 53 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 Put a new gasket on the gear oil drain screw Insert and tighten the gear oil drain screw EMU29302 Cleaning fuel tank EWMO00920 Gasoline is highly flammable and its va pors are flammable and explosive e If you have any question about properly doing this procedure consult your Yamaha dealer e Keep away from sparks cigarettes Maintenance flames or other sources of ignition when cleaning the fuel tank e Remove the fuel tank from the boat be fore cleaning it Work only outdoors in an area wi
57. r 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 52 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 bolt Q Is steering pivot
58. r loose Do not route the cord where it could become entangled preventing it from functioning 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 Make sure no one is standing behind you when pulling the starter rope It could whip behind you and injure someone 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 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 EMU29621 Emergency starting engine 1 2 Remove the top cowling Remove the start in gear protection ca ble and the choke cable from the holder on the starter After removing the choke cable confirm that the cable end is con tacted with the silencer by pushing it in side ZMU02718 1 Start in gear protection cable 2 Choke cable 3 Remove the start in gear protection ca ble end by pulling it out from the lever of the starter after loosening the nut
59. re verse Too much reverse thrust can cause the outboard motor to lift out of the water increasing the chance of ac cident and personal injury 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 32 Operation gine down ZMU02697 ZMU02673 EMU28101 Procedure 1 Place the gear shift lever in neutral and face the outboard motor forward NOTE The outboard motor is equipped with 2 or 3 positions for shallow water cruising Cruising in other conditions S posits Cruising in salt water YS NOTE FRE For cooling system flushing instructions see After operating in salt water flush the cooling water passages with fresh water to prevent 2 Slightly tilt the outboard motor up until Page 35 the tilt support bar automatically turns to N EMU28192 them from becoming clogged with salt de the lock position to support the engine 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 ZMU04542 3 To lower the outboard motor to the nor mal running position
60. s below the level of the anti cavitation plate or if the water supply is insufficient engine seizure may occur 6 Cooling system flushing is essential to prevent the cooling system from clog ging up with salt sand or dirt In addi tion fogging of the engine is mandatory to prevent excessive engine damage due to rust Perform the flushing and 37 fogging at the same time EWM00090 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 7 Run the engine at a fast idle for 10 15 minutes in neutral position 8 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 or the fogging hole of the silencer cover if equipped When properly done the en gine will smoke excessively and almost stall 9 Remove the outboard motor from the test tank 10 Drain the cooling water completely out of the motor Clean the body thoroughly 11 Install the silencer cover cap and top cowling EMU28400 Lubrication except oil injection models 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 41 2 Change the gear oil For instructions see page 47 Inspect the oil for the pres ence of water that i
61. s on and off the supply of fuel from the fuel tank to the engine 1 Fuel cock EMU25881 Close To stop fuel flow to the engine turn the lever or knob to close position Always turn the lever or knob to close posi tion when the engine is not running 12 Basic components 1 Close position EMU25901 Open The fuel cock has two open positions one for selecting fuel flow from the built in fuel tank and one for an external tank Fuel flows to the carburetor with the lever or knob in either open position These are the normal running positions 1 OPEN position for the built in tank 13 1 OPEN position for the portable tank EMU25911 Tiller handle To change direction move the tiller handle to the left or right as necessary ZMU02662 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 Basic components ZMU02663 AYN 1 Forward F 2 Neutral N 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 ZMU02664 EMU25961 Throttle indicator The fuel consumption curve on the throttle indicator shows the relative amount of fuel consumed for each throttle position
62. strict 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 MAIN CHANNEL BUOYS wage ege age 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 COLOR CODE digs sige ag E BLACK RED LIGHTED BUOY Starboard Hand 5 Even number increasing toward head of naviga LA GREEN tion Leave to starboard right proceeding up gt 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 Proceeding toward head of navigation from seaward CAN BUOY Odd number Leave to port g tt RG T6 LIGHTED PREFERRED CHANNEL TO NUN BUOY PORT BUOY Even number Leave to starboard No number Topmost band red preferred channel is to left of buoy Letter has no lateral significance used for identification and location purposes Write Light Red Light old new No change ZMU01708 EMU25540 away from sparks flames or other Fueling instructions sources of ignition e Stop engine before refueling o RReflel in a well ventilated area Refuel GASOLINE AND ITS VAPORS ARE HIGH portable f
63. t the bow is greatly increased heightening the danger of bow steering and making opera tion difficult and dangerous ZMUO01786 NOTE Depending on the type of boat the outboard motor trim angle may have little effect on the trim of the boat when operating EMU27921 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 Operation when in reverse or when the outboard motor is turned 180 facing the rear EMU27964 Procedure for tilting up manual tilt models 1 Place the gear shift lever in neutral if equipped and face the outboard motor forward EWM00220 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 C bracket DS ZMU02682 EWM00230 uv 2 On full pivot system models tighten the Leaking fuel is a fire hazard Tighten the steering friction adjuster by turning it air vent screw and place the fuel cock in clockwise to prevent the motor from the closed position if the outboard motor turning freely will be tilted for more than a few minutes Otherwise fuel may leak ECM00231 CAUTION e Before tilting the outboard motor fol low the procedure under Stoppi
64. t lb 2 55 kgf m Maintenance 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 EWMO00060 Gasoline and its vapors are highly flam mable and explosive Keep away from sparks cigarettes flames or other sources of ignition EWM00910 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 42 Maintenance ZMU04505 Checkpoints e Fuel system parts leakage e Fuel line joint leakage e Fuel line cracks or other damage e Fuel connector leakage EMU28990 Checking fuel filter Check the fuel filter periodically The fuel fil ter is a one piece disposable type If foreign matter is found in the filter replace it For re placement of the fuel filter consult your Yamaha dealer Za ZMU02708 43 EMU29041 Inspecting idling speed EWMO0451 e Do not touch or remove electrical parts when starting or during operation e Keep hands
65. th good ventilation e Wipe up any spilled fuel immediately e Reassemble the fuel tank carefully Im proper assembly can result in a fuel leak which could result in a fire or ex plosion hazard e Dispose of old gasoline according to lo cal regulations Empty the fuel tank into an approved container 2 Pour a small amount of suitable solvent into the tank Install the cap and shake the tank Drain the solvent completely 3 Remove the screws holding the fuel joint assembly Pull the assembly out of the tank ZMU02277 4 Clean the filter located on the end of the suction pipe in a suitable cleaning sol vent Allow the filter to dry 5 Replace the gasket with a new one Re install the fuel joint assembly and tighten the screws firmly EMU29312 Inspecting and replacing anode s Yamaha outboard motors are protected from corrosion by sacrificial anodes Inspect the external anodes periodically Remove scales 48 Maintenance 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 ZMU02717 EMU29390 Checking top cowling Check the fitting of the top cowling by push ing it with bo
66. th hands If it is loose have it re paired by your Yamaha dealer ZMU04477 49 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 ZMU01943 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 dealer Q Is shift lever i
67. throttle more than half Oth erwise the boat could become unstable which could result in loss of control and an accident 1 Place the throttle grip in the fully closed position ZMU02685 2 Move the gear shift lever quickly and firmly from neutral to reverse NOTE The outboard motor can turn 360 in its bracket full pivot system The boat can also be backed up by simply turning the outboard motor around 180 with the steering handle facing toward you 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 EMU27832 Procedure 1 Push and hold the engine stop button 26 Operation until the engine comes to a complete stop ZMU02668 2 After stopping the engine tighten the air vent screw on the fuel tank cap and set the fuel cock lever or knob to the closed position if equipped ZMU02450 3 Disconnect the fuel line if you are using an external fuel tank 27 ZMU02689 1 NOTE If the outboard motor is equipped with an en gine stop switch lanyard the engine can also be stopped by pulling the lanyard and remov ing the lock plate from the engine stop switch EMU27861 Trimming outboard motor The trim angle of the outboard motor helps determine the position of the bow of the boat in the
68. uel tanks off the boat LY FLAMMABLE AND EXPLOSIVE e Take care not to spill gasoline If gaso e Do not smoke when refueling and keep line spills wipe it up immediately with EWM00010 General information 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 ECMO0010 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 damage or engine performance problems EMU31440 Engine oil Recommended engine oi
69. 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 ZMU01705 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 General information you continue on your set course and speed TE ST a UE Crossing When two power driven vessels are crossing each others 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 ZMU01706 _ _ZMU01707 Overtaking If you are passing another vessel you are the Give Way vessel This means that the other vessel is expected to maintain its course and speed You must stay out of its way u
70. vidual 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 Yamaha 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 38 Maintenance EMU28522 Maintenance chart Frequency of maintenance operations may be adjusted according to the operating condi tions but the following table gives general guidelines Refer to the sections in this chapter for explanations of each owner specific action NOTE 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 gt 1 month 0 hours 3 months 100 hours 6 months 200 hours 1 year Anode s external
71. 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 51 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 with specified type Q Is e
72. wn 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 If 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 Your Yamaha model may not be sold in some countries Therefore 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 ZMU05199 61 YAMAHA YAMAHA MOTOR CORPORATION USA Printed in France April 2006 0 1 x 1 A y A M A H OUTBOARD MOTOR WARRANTY
73. y fill the fuel tank ZMU04536 Operation water near you e When the air vent screw is loosened ZMU04484 3 Securely close the cap after filling the tank Wipe up any spilled fuel Fuel tank capacity 1 1 L 0 29 US gal 0 24 Imp gal NOTE The upper fuel level mark is indicated on the built in fuel tank 1 Upper level mark 1 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 and drowsiness Keep cockpit and cab in areas well ventilated Avoid blocking exhaust outlets For the built in tank loosen the air vent screw on the fuel tank cap by one turn For the external fuel tank loosen it on the fuel tank cap by 2 or 3 turns ZMU02443 2 Select the fuel tank using the fuel cock EMU27450 Operating engine EMU27472 Feeding fuel EWM00420 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 or open the fuel cock 22 Operation ZMU02894 EMU27490 Starting engine EMU30860 Manual start models tiller control 1 P
74. y 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 ZMU01683 58 Consumer information 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 C

F4 Owner`s Manual

Contents

Download Pdf Manuals

Related Search

Related Contents