DR90/WR90 Dirt Bike OWNER`S MANUAL
Contents
1. int ENGINE STARTING essent tnnt tnnt tnnt tnnt tnt BREAKING IN THE ENGINE eene SWITCHES ON THE RIGHT HANDLEBAR eene GEAR SHIFTING sese esee ttn tentnn tente ttnttn tentia tnt CHECK UPS ADJUSTMENT AND CHANGING THE OIL essent tnnt tnnt CHECK UP OF SPARK PLUG sese ttnns CHECKING amp CLEANING THE AIR FILTER nee ADJUSTING THE THROTTLE ADJUSTING THE CARBURETOR esent ttes ADJUSTING THE AIR VALVE GAP essent ttes ADJUSTMENT OF FRONT BRAKE esent ADJUSTMENT OF REAR tnnt tnnt ADJUSTMENT OF CHAIN tnnt DRIVE CHAIN LUBRICATION eee neret tnnt tnn VEHICLE WASHING esent tentent tnnt tnnt INSTRUCTIONS FOR STORAGE RESUMPTION OF SERVICE AFTER STORAGE TABLE AND TORQUE OF FASTENERS RESUMPTION OF SERVICE sees ttettn tnnt ttnns MAINTENANCE ROUTINE2. ELECTRICAL DIAGRAM eene nennen EMISSION CONTROL SYSTEM Please read this manual and follow all instructions carefully To emphasize special information the symbol A and the words WARNING or CAUTION have special meaning Pay attention to WARNINGS and CAUTIONS A WARNING Indicates a potential hazard that could result in death or injury A CAUTION Indicates a potential hazard that could result in vehicle damage NOTE Indicating special information which makes maintenance easier and or instructions clearer WARNING and CAUTION are arranged like this WARNING or CAUTION The first part will identify a POTENTIAL HAZARD The second part will describe WHAT COULD HAPPEN if you ignore the WARNING or CAUTION The third part will describe HOW TO AVOID THE HAZARD This user s manual contains important safety and maintenance information Read it carefully before riding Failing to follow the warnings contained in this manual could result in INJURY or DEATH It is important that this manual remain with the vehicle when you transfer it to another user or owner All information illustrations photographs and specifications contained in this manual are based on the latest product information available at the time of publication Due to improvements or other changes there will be some discrepancies in this manual We reserve the right to
3. make product changes at any time without notice and without incurring any obligation to make the same or similar changes to the vehicle previously built or sold SAFE OPERATION Rules for Safe Operation A pre operation check must be conducted before starting the engine This check will insure safety prevent mishaps and prevent damage to components It is strongly suggested that all operators take a certified motorcycle rider s course prior to operating the vehicle Full attention is required during driving paying close attention to the following points to avoid any injury to you by other motorized vehicles Do not drive too close to other vehicles Never carry a passenger This dirt bike is for one operator only Never operate this dirt bike at night Night is defined as the period of time 30 minutes before sunset to 30 minutes after sunrise Driving at high speeds is the cause of many accidents do not drive ata speed that the actual situation does not permit Always avoid operating an this dirt bike on paved surfaces including sidewalks paths parking lots driveways streets roads and highways Never operated this or any Off Road Vehicle on a public street road or highway where motor vehicles are in operation SAFETY GEAR 1 Never operate this dirt bike without wearing a DOT approved motorcycle helmet which fits properly Operators should also wear eye protection goggles or face shield gloves boots long sleeved sh
4. ELECTRICAL DIAGRAM B Black W White R Red Gr Green BI Blue BAJA MOTORSPORTS EMISSION CONTROL SYSTEM WARRANTY YOUR WARRANTY RIGHTS AND OBLIGATIONS The emission control system warranty period for this vehicle begins on the date the vehicle is delivered to the first purchaser other than an authorized dealer or the date it is first used as a demonstrator lease or company vehicle whichever comes first and continues for 60 months after that date or 5 000km whichever comes first provided there has been no abuse neglect or improper maintenance of your vehicle Where a warrantable condition exists the Distributor will repair your vehicle at no cost to you including diagnosis parts and labor If an emission related part on your vehicle is defective the part will be repaired or replaced by the Distributor This is your emission control defects warranty OWNER S WARRANTY RESPONSIBILITIES As the vehicle owner you are responsible for the performance of the required maintenance You should maintain a record of all maintenance performed on your vehicle and retain all receipts covering maintenance on your vehicle You may not be denied a warranty claim solely because of your failure to ensure the performance of all scheduled maintenance or lack of maintenance records or receipts You are responsible for presenting your vehicle to an authorized dealer as soon as a problem exists The warranty repairs should be completed in a rea
5. ENGINE IS HOT SERIOUS BURNS COULD RESULT FROM CONTACT WITH HOT OIL Dispose of used oil properly For proper disposal procedures contact your local oil recycling center Clean and replace Screw Plug tightly Refill engine with proper amount of oil and recheck amount of oil in engine by using oil gauge plug Screw plug for oil draining CHECK UP OF SPARK PLUG 1 Remove cap of spark plug and screw off i spark plug using plug wrench 2 Clean spark plug all around or replace it if it is corroded or there is too much deposit on it 3 Regulate the gap of spark plug to 0 6 0 7mm 0 024 in 0 028 in 3 spark plug of designated type 0 6 mm 0 7 mm should be used The applicable type of 0 024 in 0 028 in spark plug NHSP LD A7RTC made in China or Equivalent US Brand CHECKING CLEANING THE AIR FILTER Take air filter out and check if it is dirty or torn Dismounting Wash filter in clean water and wipe dry with a clean cloth Soak filter element in clean machine oil Squeeze it with a dry cloth to remove excess oil Recommended oil 15W 40QE Air Filter cover Removal of cover Removal of filter Wash with water Squeeze out excess water A CAUTION The air filter element must be intact or engine will suck in dust and dirt resulting in a shorter service life of engine Water should be prevented from entering into filter when washing vehicle The filter element should be cleaned gently w
6. Motorsports DR90 WR90 Dirt Bike Read this manual carefully It contains important safety information No one under the age of 16 should operate this dirt bike OWNER S MANUAL No one under the age of 16 should operate this Dirtbike without adult supervision Parents should consider child s age size maturity and ability before allowing to ride Rev D 020409 Always wear a helmet It could save your Life Do not remove this operator s manual from this vehicle Please obtain review and follow provincial municipal government acts and regulations pertaining to owning and operating an off road vehicle Motorsports Congratulations on your purchase of the BAJA INC DR90 WR90 Dirt Bike Your bike is warranted to be free of manufacturing defects in the material and workmanship for a period of 90 days from the date of purchase During the warranty period BAJA INC will at its option repair provide replacement parts or replace your Baja Motorsports 90cc Dirt bike at no charge This warranty does not cover normal wear items or damage caused by neglect or misuse of the product Engine Warranty 90 days Frame Warranty 90 days Warranty is void if Frame is bent or broken due to abuse Wheels are bent or broken Fender bent or broken due to abuse Any sign of impact accident jumping spin outs or roll over BAJA INC is not liable for any damage claim or liability claim person or otherwise resulting fr
7. ake excess noise if the gap is too large in air valve If gap is too small valve operation will be hindered which could result in valve malfunction and failure Therefore air valve gap must be checked periodically If you have the proper tools and are mechanically proficient instructions on adjusting the valve clearance are given in the service manual If assistance is needed please contact Baja Inc to find your local service center FRONT HYDRAULIC DISK BRAKE INSPECTION Brake fluid reservoir Brake fluid cap Brake fluid level Front disk brake Brake hose Lower mark Brake disk caliper 1 Inspect front disk brake caliper for leakage If brake fluid leaks the safety of riding could be affected 2 Inspect brake hose for cracks and joint for leakage 3 Check brake fluid level in brake fluid reservoir if level is at or below the LOWER mark inspect brake pads for wear and hydraulic system for leaks 4 To add brake fluid unscrew the 2 screws on top of bake fluid container Add DOT3 or DOT4 brake fluid Do not mix brake fluid types ADJUSTMENT REAR BRAKE The vehicle should be supported for check by the side stand 1 rear brake pedal has a free operating movement of 20 30mm 9 16 inch 1 1 8 inches 2 make adjustment turn rear adjusting nut clockwise to reduce and counterclockwise to increase free operating movement of brake pedal 3 Brake shoes should be replaced by a qualified service technician
8. ated in this warranty are disclaimed Some states do not allow limitations on how long an implied warranty lasts so the above limitations may not apply if it is inconsistent with the controlling state law No dealer is authorized to modify this Emission Control System Warranty If you have any questions regarding your warranty rights and responsibilities you should contact BAJA INC at 888 863 2252 Motorsports Baja INC P O Box 61150 Phoenix AZ 85082 Tel 602 443 9180 Toll Free 888 863 2252
9. be carried out at a service center It may be also done by the user with reference to this manual provided special tools and authorized spare parts are used The user must also be capable of completing the procedure means This item can only be carried out by an authorized service center in order to ensure safety Notes 1 Maintenance should be conducted more frequently when motorcycle is driven in dusty areas 2 When vehicle has exceeded maximum figures specified in the table maintenance should still be cycled according to the intervals of mileage stated herein MAINTENANCE SCHEDULE Items of Maintenance Frequency Odometer km hours 1000km 4000km 8000km 12000 Circuit of fuel system Dimas Fuel Fuelfilter Throttle operating system Choke ofcarburetor 1 JAirfiterclement Sif c clearance Adjust 1 o Jot jor or Por FWrvavegap Engine lubricating ot R YEARY Lubricating screen R YEARY C Drivechaintension A A A owechin f uw uw wu P au 19 speed of carburetor 1 1 o Pod Brake showwear 1 Rear brake system tT tft or y Front brake system 5 0 1 1 pasa esie Side stand NN Suspension _ Replace every 2years Nuts botts fasteners 0 or or Pod Wheetsispokes Steering handle bearing 1
10. e transmission in neutral Ensure that there is fuel in tank KR gt Set fuel valve handle to ON or RES position To start a cold engine 1 Place choke lever on carburetor up to close the choke 2 Rotate throttle twist grip by 1 8 to 1 4 turn 3 Start engine with kick start 4 Slightly turn throttle twist grip to increase speed of engine so as to warm up the engine Choke lever 5 Push carburetor choke lever downward to fully open choke after engine has sufficiently warmed up A CAUTION The engine can only be started in neutral gear Unnecessarily increasing RPM s to a high level while the dirt bike is in neutral is harmful to engine Procedures for stopping the engine 1 Release throttle twist grip to slow down engine 2 Shift to neutral position 3 Set ignition switch to 5 OFF position 4 Set fuel valve handle to OFF position BREAKING IN THE ENGINE The first 600 Miles of operation should be considered the Break in period and special attention should be paid to the following points 1 Take special care not to increase the RPM s of engine while climbing steep slopes Never drive your dirt bike continuously for more than 30 miles without increasing and decreasing the throttle 2 Theengine should be warmed up for 3 5 minutes prior to operation so all components are lubricated sufficiently 3 The driving speed shall not be over 25 MPH maximum during the firs
11. in 3 Prior to driving all required check ups must be made It is better to drive it at a low speed in an open area to test its performance before normal operation TABLE AND TORQUE OF FASTENERS No Fastener Torque Newton m Foot Ib Front wheel axle nut 35 45Nm 26 33 ft lb EN Rear wheel axle nut 50 60Nm 37 44 ft Ib 3 Nut for tightening upper joining plate of 40 50Nm 30 37 ft lb front fork with vertical tube Nut for fixing engine 20 25Nm 15 18 ft lb 7 Bolt for tightening upper joining plate of 15 20Nm 11 15 ft Ib front fork with shock absorber m Bolt for fixing footrest 20 25Nm 15 18 ft Ib e Exhaust silencer nut 20 25Nm 15 18 ft lb RESUMPTION OF SERVICE 1 Remove covering and clean the vehicle Change lubricating oil if vehicle has been out of service for more than 4 months 2 Charge battery if applicable and remount it 3 Drain off anti rust solution from fuel tank followed by filling fuel therein to required level 4 Prior to driving test vehicle at a low speed in a safe place MAINTENANCE ROUTINE DIAGRAM The vehicle should be under good maintenance as specified in the following table where I means Check cleaning adjustment lubrication and or replacement needed means Cleaning is needed means Replacement is needed means Adjustment is needed L means Lubrication is needed means This item of maintenance should
12. irt or jacket and long pants 2 Loose clothes are not suitable for motorcycle driving or riding as they may get caught on the operating lever kick lever footrest or wheel resulting in danger MODIFICATION OF THE VEHICLE A CAUTION Never perform any unauthorized modifications to this vehicle Only use original replacement part which can be obtained through Baja Inc 888 863 2252 LOCATION OF WARNING LABELS Read and follow all of the warnings labels on your Dirtbike Make sure you understand all the labels Keep the labels on the Dirtbike Do not remove them for any reason If a label comes off or becomes difficult to read you should get a replacement by contacting Baja Inc No one under the age of 16 should operate this vehicle without adult supervision Study the owner s manual carefully Always wear helemt eye protection and protective gear Never operate this vehicle while under the influence of alcohol drugs or medication of any kind PARTS amp SUBASSEMBLIES Front brake lever Throttle twist grip Fuel tank cover Rear Wheel fa 1 tie Es es lt lt Gear Shifting Pedal Fuel Val DE Engine Number Side Stand Rear Fork Exhaust Silencer Seat Cushion Kick Lever Rear Braking Pedal FUEL VALVE Fuel filling The capacity of the fuel tank is 5 2L in total including 1 0L of reserve Unscrew the gas cap by turning it counter clockwise and careful
13. ithout twisting to prevent it from cracking Never wash it with gasoline or any acid alkaline or organic volatile oil to avoid its aging which will result in reducing the effect of the air filter oil to catch particles before they enter engine Replace filter element with a new one if it is broken or cracked ADJUSTING THE THROTTLE CABLE Make sure that the adjusting and lock nuts of throttle cable work normally Check if throttle twist grip has the required free operating movement The required free operating movement 2 6mm If grip cannot be moved freely turn adjusting nut to ensure proper operating movement After adjustment start engine and check for operating movement again Repeat adjustment if necessary until desired operating movement is obtained ADJUSTING THE CARBURETOR Adjusting procedures of idling speed 1 Support vehicle by a stand 2 Adjust idling speed by throttle stop screw to 1500 150rpm ACAUTION Do not try to correct a malfunctioning carburetor by adjusting the idling speed If carburetor is not functioning properly it should be repaired by a service center Adjust idling speed only when engine is warmed up or 10 minutes after operation Idling speed adjusting screw VALVE INSPECTION REFER TO MAINTENANCE SCHEDULE IN THIS OWNER S MANUAL FOR VALVE ADJUSTMENT INSPECTION INTERVALS Valve clearance should be Intake 0 002 inch 0 051 mm Exhaust 0 003 inch 0 076 mm The engine will m
14. ly fill the tank with unleaded gasoline through the opening DO NOT MIX GAS AND OIL TOGETHER THIS IS A4 STROKE ENGINE Replace the gas cap by carefully aligning the threads on the cap and the tank and turning the cap clock wise Wipe any spilled fuel from the dirt bike using a cloth and dispose of the cloth properly DO NOT SMOKE OR REFUEL THE VEHICLE NEAR OPEN FLAMES OR NEAR HEATING UNITS ONLY REFUEL THE VEHICLE IN OPEN AREAS TO REDUCE THE LIKELIHOOD OF THE BUILD UP OF GASOLINE FUMES Operation of the fuel valve the valve under the fuel tank ON With the handle of the fuel valve to ON position the fuel supply will flow to the carburetor OFF With the handle of the fuel valve to OFF position the fuel supply is cut off to the carburetor RES If the fuel level in the fuel tank becomes to low for the engine to stay run ning while the fuel valve is in the ON position turn the fuel valve to RESERVE This will allow engine to begin using reserve fuel supply You will need to re fuel as soon as possible Once re fueled turn fuel valve back to the ON Position ON Fuel Valve Handle RES ENGINE STARTING A CAUTION Verify oil level prior to starting see page 25 Starting the engine with low or no oil will damage the engine A WARNING Never start the engine in a closed place as the exhausted gas from the vehicle contains toxic carbon monoxide Set the ignition key to ON position Plac
15. n authorized dealer or repair facility The Distributor will not cover repairs performed outside of an authorized dealer or repair facility The use of replacement parts not equivalent to the original parts may impair the effectiveness of your vehicle s emission control system If such a replacement part is used and an authorized dealer determines it is defective or causes a failure of a warranted part your claim for repair to bring your vehicle into compliance with applicable standards may be denied This Emission Control System Warranty is in addition to the standard Limited Warranty EXCLUSIONS AND LIMITATIONS This warranty does not cover the following Failures or malfunctions of the emission control systems caused by abuse alteration accident misuse the use of leaded gasoline Replacement of expendable maintenance items unless they are original equipment defective in material or workmanship under normal use and the first required replacement interval for the item has not been reached Expendable maintenance items include but not limited to spark plugs filters coolant lubricants gaskets hoses and belts Replacements of parts and other services and adjustments for required maintenance Any vehicle equipped with an odometer or hour meter where the reading is altered so that actual mileage cannot be readily determined Repairs or replacements as a result of 0 Accident 0 Misuse 0 Use of replacement parts acce
16. om the operation of this product in any way Should you experience a problem with your vehicle please call the Baja INC customer service line toll free at 1 888 863 2252 between the hours of and 5pm Monday through Friday MST Mountain Standard Time Mountain Daylight Time during daylight saving time You will be instructed how to proceed A COPY OF THE SALES RECEIPT IS REQUIRED WARNING This manual should be considered as permanent part of the vehicle and should remain with the vehicle when resold or otherwise transferred to a new user or operator The manual contains important safety information and instructions which should be read carefully before operating the vehicle All operators should obtain review and follow provincial and municipal government acts and regulations pertaining to owning and operating an off road vehicle Children under the age of 16 should never operate this vehicle WARNING The engine exhaust from this product contains chemicals known to the State of California to cause cancer birth defects and other reproductive harm CALIFORNIA PROPOSITION 65 Table of Contents SAFE OPERATION ettet pra dici cT MODIFICATION OF VEHICLE eene tentent tnnt tnn LOCATION OF WARNING LABELS eene tentes PARTS amp SUBASSEMBLIES essent theta tnnt sees OPERATION eS FUEL VALVE
17. once Wear arrow reaches the brake wear limit when brakes are applied Rear brake pedal 20 30m 9 16 inch 1 1 8 inches Rear brake arm Brake wear limit Brake pull rod Brake adjusting nut Brake arm pin ADJUSTMENT OF CHAIN 1 When chain adjustment is needed loosen rear axle bolt 2 Turn chain adjusting nuts on the left and right sides to adjust tension of the chain and to align the marking of chain adjuster with the engraved lines in the similar position on both sides 3 Tighten rear axle bolt by a torque of 50 60Nm 37 44 ft Ib 4 Repetitively check tension of chain 5 When rear wheel is changed in position and the chain adjusted free operating movement of rear brake pedal will be affected which therefore should be Rear axle bolt 15 20mm 1 2 314 Chain adjusting nuts DRIVE CHAIN LUBRICATION 1 Shutoff engine 2 Addlight amounts of machine oil or chain grease to driving chain Too much machine oil or chain grease may cause splattering to occur Attention The chain should be replaced when adjusting limit has reached it s maximum VEHICLE WASHING Cleaning the vehicle regularly can slow down color fading of its body and make it easier to check if there is any damage and any oil leakage ACAUTION Washing the motorcycle with over pressurized water may cause damage to some of its components Therefore do not use a pressure washer to clean the vehicle The following parts sh
18. ould be cleaned using low pressure water Wheel hub Exhaust pipe Fuel tank and lower portion of cushion Carburetor Head lock and ignition switch Meters 1 After pre wiping the vehicle should be washed with clean water to remove dirty residues so as to prevent corrosion Plastic subassemblies should be cleaned by wiping with a cloth or foam soaked in neutral detergent solution followed by washing with clean water 2 After the cleaned vehicle is air dried grease chain and run engine at idling speed for a few minutes 3 Prior to driving carefully check braking system repeatedly and repair adjust it if necessary INSTRUCTIONS FOR STORAGE If the vehicle is not going to be used for a long period of time for example in winter time some steps should be taken to prevent malfunction of and damage to its components which might be caused by long storage Before storing the vehicle for a long period proper maintenance has to be carried in case maintenance is not completed when the vehicle is put back into use after storage 1 Change engine oil and oil filter 2 Drain fuel from fuel tank and carburetor spray atomized anti rust oil onto the inside wall of tank and close tank Dispose of any drained fuel properly so as not to adversely affect the environment ape meu Carburetor Drain screw Attention If the storage will last for more than one month fuel in carburetor must be fully d
19. rained This will help ensure that the carburetor maintains its normal performance after storage WARNING Gasoline is flammable and may cause fire and even an explosion under certain conditions Therefore do not smoke make a fire or have any fire around while draining off fuel 3 spark plug out pour about 15 20 ml 0 5 0 68 oz of clean engine oil into cylinder step down on kick lever repetitively several times so as to have machine oil distributed all over engine and finally place spark plug back on Attention The ignition switch must be set to aR OFF position before stepping down on kick lever To protect ignition system from damage spark plug should be inserted in its cap and grounded 4 Wash the vehicle clean wipe it dry and apply an even coat of wax to the painted surface and a coat of anti rust oil on chrome plated surfaces 5 Inflate tires as required and put vehicle up on wooden blocks with the two wheels clearing the ground 6 Put vehicle in a shady and cool place free from humidity and direct sunlight and cover it properly not with plastic or other painted materials If there is a garage store it within RESUMPTION OF SERVICE AFTER STORAGE 1 Remove covering and wooden blocks used in storing vehicle Change engine oil if vehicle has been out of service for over 4 months 2 Drain off the remaining atomized anti rust oil from the fuel tank followed by filling it with fresh gasoline there
20. sonable amount of time not to exceed 30 days As the vehicle owner you should be aware that you may be denied your warranty coverage if your vehicle or a part has failed due to abuse neglect improper maintenance or unapproved modifications WARRANTY COVERAGE The Distributor warrants that each new 2009 and later vehicle is designed built and equipped so as to conform at the time of initial retail purchase with all applicable regulations of the United States Environmental Protection Agency and the California Air Resources Board and is free from defects in material and workmanship which cause such vehicle to fail to confirm with applicable regulations of the United States Environmental Protection Agency or the California Air Resources Board for the periods specified above Your emission control system warranty covers components whose failure would increase an engine s emission including electronic controls fuel injection system carburetor the ignition system catalytic converter or any other system utilized in this vehicle to control emission if it is originally equipped Also included may be hoses connectors and other emission related assemblies Replacing or repairing other components including parts labor and other costs not covered by this emission control system warranty or the standard warranty is the responsibility of the owner Coverage of repairs under this warranty applies only when repairs completed at a
21. ssories not conforming to the original specifications which adversely affect performance Physical damage corrosion or defects caused by fire explosions or similar causes beyond the control of the Distributor Failures not caused by a defect in material or workmanship Use of the vehicle in any type of competitive racing or related events immediately and completely voids this and all other warranties LIMITED LIABILITY The liability of the Distributor under this Emission Control System Warranty is limited solely to the remedying of defects in material workmanship by an authorized dealer at its place of business during customary business hours This warranty does not cover inconvenience or loss of use of the vehicle or transportation of the vehicle to from the authorized dealer The Distributor is not liable to any person for incidental consequential or special damages of any description whether arising out of express or implied warranty or any other contract negligence or other tort or otherwise No express emission control system warranty is given by the Distributor except as specifically set forth herein Any emission control system warranty implied by law including any warranty of merchantability or fitness for a particular purpose is limited to the express emission control system warranty terms stated in this warranty The foregoing statements of warranty are exclusive and in lieu of all other remedies All express warranties not st
22. t 300 miles of operation and not over 35 MPH maximum during the remaining 300 miles of the Break In period SWITCHES RIGHT HANDLEBAR Ignition switch The ignition switch is provided on the right handlebar When ignition switch is turned to aC off position engine will not start If engine is running this will stop engine When ignition switch is turned to 4 on position engine can start and the vehicle can be driven OFF button Ignition Switch ON button GEAR SHIFTING Anon cycling mode of gear shifting is employed for this motorcycle Reduce throttle before shifting Never increase throttle while shifting gears Do not place your foot on gear shifting pedal while operating dirt bike to avoid damaging the clutch caused by sudden accidental gear shifting Legend for the right figure N Neutral gear 1 1st gear 2 2nd gear 3 3rd gear 4 4th gear 21 Shifting forward Shifting backward Points for Attention during Drive 1 Avoid unnecessary idling of engine at a high speeds Doing so will damage engine components seriously 2 clutch will wear out quickly if dirt bike is operated with clutch in a semi engaged position 3 Only shift to low speed gears when you feel that there is insufficient power to climb hills or continue forward 4 Donotuse front brake only or coast using neutral gear especially when descending or driving at a high speed 5 Decrease throttle
23. when braking CHECK UPS ADJUSTMENT AND MAINTENANCE Checking the Oil Check engine oil each time prior to operating dirt bike The oil level should be between the upper and lower lines of oil gauge fitted in a screw plug which is on right cover of crankcase 1 Set dirt bike on level ground screw off oil gage plug wipe oil gage rod clean and insert gage plug into crankcase again to check oil level There is no need to screw oil gage plug into its hole in crankcase 2 Add lubricating oil up to the upper line when needed but do not overfill 3 Finally screw oil gage plug tightly CAUTION Never start engine when there is insufficient lubricating oil Otherwise it will cause harm to engine Machine oil gauge Lubricating Oil Recommended The lubricating oil is an important factor affecting performance and service life of engine Please refer to the chart for correct grade of engine oil based on the environmental conditions in your area Do not use any other type of oil other than what is recommended in the chart DO NOT MIX OIL WITH THE GASOLINE Lubricating oils of different viscosity should be employed in different regions and at different temperatures MACHINE 10W 40 10W 50 TEMP QE CHANGING THE OIL 1 Remove Screw Plug located at bottom of engine and let oil drain into an approved collection container DO NOT PERFORM THIS PROCEDURE WHILE
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