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READ THIS MANUAL CAREFULLY! It contains important safety information. OWNER’S MANUAL YFM70RSBJ YFM70RSXJ YFM70RSSJ WARNING This ATV should not be ridden by anyone under 16 years of age. LIT-11626-31-16 2LS-F8199-13...
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EBU17093 Read this manual carefully before operating this vehicle. This manual should stay with this ve- hicle if it is sold.
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Congratulations on your purchase of the Yamaha YFM70RSBJ / YFM70RSXJ / YFM70RSSJ. This ATV represents the result of many years of Yamaha experience in the production of fine sporting, touring, and pacesetting racing machines. With the purchase of this Yamaha, you can now appreciate the high degree of craftsmanship and reliability that have made Yamaha a leader in these fields.
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EBU17331 IMPORTANT MANUAL INFORMATION EBU17344 FAILURE TO FOLLOW THE WARNINGS CONTAINED IN THIS MANUAL CAN RESULT IN SERIOUS IN- JURY OR DEATH. Particularly important information is distinguished in this manual by the following notations: This is the safety alert symbol. It is used to alert you to potential per- sonal injury hazards.
Speed limiter..........4-5 EWB00012 WARNING Clutch lever..........4-6 Brake lever..........4-6 Indicates a hazardous situation which, if not Brake pedal ..........4-7 avoided, could result in death or serious injury. Parking brake lever........4-7 Shift pedal ..........4-9 Reverse knob “REV”........4-9 EBU17421 Fuel tank cap ..........
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OPERATION ........... 6-1 PERIODIC MAINTENANCE AND Starting the engine........6-1 ADJUSTMENT ..........8-1 Shifting ............6-2 Owner’s manual and tool kit....... 8-2 Operating the reverse knob and driving in Periodic maintenance chart: Emission reverse ............6-4 control system .......... 8-3 Engine break-in ...........
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Lubricating the swingarm pivots ....8-43 U.S.A. 2015 AND LATER MODEL Lubricating the rear suspension relay arm ATV LIMITED WARRANTY ..... 11-6 YAMAHA EXTENDED SERVICE (Y.E.S.)... 11-8 and connecting arm pivoting points ..8-44 Lubricating the upper and lower arm pivots ............8-45 INDEX ............
EBU17661 LOCATION OF THE WARNING AND SPECIFICATION LABELS...
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Certification of Compliance WARNING This ATV complies with applicable provisions of ANSI/SVIA 1-2010 and is subject to an approved ATV action plan submitted by YAMAHA and on file with the U.S. Consumer Product Safety Commission. YAMAHA MOTOR CORPORATION U.S.A. UNDER 6555 Katella Avenue, Cypress, California 90630-5101, U.S.A.
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WARNING NEVER ride as a passenger. Passengers can cause a loss of control, resulting in SEVERE INJURY or DEATH. YAMAHA 3C2-F151H-00 4XE-F1568-00...
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WARNING WARNING Improper tire pressure or overloading can cause This unit contains high pressure nitrogen gas. loss of control. Mishandling can cause explosion. Loss of control can result in severe injury or • Read owner’s manual for instructions. death. • Do not incinerate, puncture or open. OPERATING TIRE PRESSURE : Set with tires cold •...
EBU17432 SAFETY INFORMATION SAFETY INFORMATION Never allow a child under age 16 to operate an EBU26667 ATV without adult supervision, and never allow AN ATV IS NOT A TOY AND CAN BE HAZARD- continued use of an ATV by a child if he or she OUS TO OPERATE.
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Always inspect your ATV each time you use it to Always follow proper procedures for climbing make sure it is in safe operating condition. Al- hills as described in this manual. Check the ter- ways follow the inspection and maintenance rain carefully before you start up any hill.
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Always use proper procedures if you stall or roll reduced stopping ability. Test your brakes after backwards when climbing a hill. To avoid stall- leaving water. If necessary, apply them several ing, use the proper gear and maintain a steady times to let friction dry out the linings.
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In the event of an accident tention. If necessary, contact your riding party 1. If serious injuries are incurred, you may be or local authorities to let them know where safer staying next to your vehicle; it may you are and what has happened. shield you from oncoming riders.
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This im- While you may find aftermarket products similar in proper position limits the freedom of movement design and quality to genuine Yamaha accesso- of the operator and may limit control ability, ries, recognize that some aftermarket accessories...
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Do not run engine outdoors where engine EWB00073 WARNING exhaust can be drawn into a building through openings such as windows and doors. Avoid Carbon Monoxide Poisoning All engine exhaust contains carbon monoxide, FOR MORE INFORMATION ABOUT ATV SAFE- a deadly gas.
EBU17715 Controls and instruments 1. Clutch lever 2. Parking brake lever 3. Main switch 4. Front brake fluid reservoir 5. Brake lever 6. Throttle lever 7. Reverse knob 8. Handlebar switches...
EBU17729 INSTRUMENT AND CONTROL FUNCTIONS “ ” (off) EWB00012 WARNING All electrical systems are off. The key can be re- moved. Indicates a hazardous situation which, if not avoided, could result in death or serious injury. EBU26697 Indicator lights and warning lights EBU29913 Main switch 1.
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“ ” (on), or if the warning off. light remains on, have a Yamaha dealer check the If the warning light does not come on initially when vehicle. the key is turned to “...
This warning light comes on or flashes when an To prevent engine damage, be sure to consult electrical circuit monitoring the engine is not work- a Yamaha dealer as soon as possible if this oc- ing correctly. When this occurs, have a Yamaha curs.
starter will not have enough power to crank the EBU18081 Engine stop switch “ ” engine. If this should happen, remove the bat- Set this switch to “ ” before starting the engine. tery and recharge it. (See page 8-46.) The engine stop switch controls the ignition and stops the engine when it is running.
Adjusting the speed limiter 1. Loosen the locknut. Before starting the engine, check the throttle to be 2. To increase the maximum engine power sure it is operating smoothly. Make sure it returns available and the maximum speed of the ATV, to the idle position as soon as the lever is released.
EBU18384 EBU31002 Clutch lever Brake lever 1. Brake lever 1. Clutch lever The brake lever is located on the right side of the The clutch lever is located on the left side of the handlebar. To apply the front brake, pull the brake handlebar.
YFM70RSXJ / YFM70RSSJ EBU18434 Brake pedal 1. Brake lever 2. Locknut 1. Brake pedal 3. Brake lever position adjusting bolt 4. Distance between brake lever and handlebar grip The brake pedal is located on the right side of the ATV. To apply the rear brake, push down on the The brake lever is equipped with a position adjust- brake pedal.
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EWB00221 WARNING Always set the parking brake before starting the engine. The ATV could start moving un- expectedly if the parking brake is not ap- plied. This could cause loss of control or a collision. Always be sure you have released the park- ing brake before you begin to ride.
EBU18542 EBU18643 Shift pedal Reverse knob “REV” 1. Shift pedal 1. Reverse knob “REV” The shift pedal is located on the left side of the en- The reverse knob is used when shifting into re- gine and is used in combination with the clutch le- verse.
1. Before refueling, turn off the engine and be EBU18722 Fuel tank cap sure that no one is sitting on the vehicle. Nev- er refuel while smoking, or while in the vicinity of sparks, open flames, or other sources of ignition such as the pilot lights of water heat- ers and clothes dryers.
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Yamaha because it can cause damage to the fuel immediately. If gasoline spills on your skin, system or vehicle performance problems.
To install the seat EBU29892 Seat To remove the seat 1. Slot 2. Projection 3. Seat holder 1. Seat lock lever Fit the slot in the seat onto the projection on the Push the seat lock lever backward and pull up the fuel tank, insert the projection on the front of the seat at the rear.
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2. Position indicator suspension. Align the appropriate notch in the adjusting ring with the position indicator on the shock absorber. A special wrench can be obtained at a Yamaha dealer to make this adjustment. 4-13...
Cylinder damage will result in poor damping performance. Do not dispose of a damaged or worn out shock absorber assembly yourself. Take the shock absorber assembly to a Yamaha deal- 1. Special wrench er for any service. Spring preload setting:...
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would be advisable to check the number of clicks EWB02492 WARNING or turns of each damping force adjusting mecha- Suspension components become hot during nism and to modify the specifications as neces- sary. operation. Never touch the compression damping force adjusting bolt and screw, the rebound damping force adjusting screw or Spring preload the oil reservoir with your bare hand or skin...
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A special wrench can be obtained at a Yamaha dealer to make this adjustment. The spring preload setting is determined by measuring distance A, shown in the illustration. The shorter distance A is, the higher the spring preload; the longer distance A is, the lower the spring preload.
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Rebound damping force Rebound damping setting: Turn the rebound damping force adjusting screw Minimum (soft): in direction (a) to increase the rebound damping 30 click(s) in direction (b)* force and thereby harden the damping, and in di- Standard: rection (b) to decrease the rebound damping force 18 click(s) in direction (b)* and thereby soften the damping.
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Slow compression damping force To increase the slow compression damping force and thereby harden the compression damping, turn the slow compression damping force adjust- ing screw in direction (a). To decrease the slow compression damping force and thereby soften the compression damping, turn the adjusting screw in direction (b).
Do not dispose of a damaged or worn out Slow compression damping force settings: shock absorber assembly yourself. Take the Minimum (soft): shock absorber assembly to a Yamaha deal- 18 click(s) in direction (b)* er for any service. Standard:...
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1. Spring preload adjusting nut 2. Locknut 3. Special wrench A special wrench can be obtained at a Yamaha dealer to make this adjustment. The spring preload setting is determined by measuring distance A, shown in the illustration.
Do not dispose of a damaged or worn out NOTICE shock absorber assembly yourself. Take the Never turn an adjusting mechanism beyond shock absorber assembly to a Yamaha deal- the minimum and maximum settings. er for any service. 4-21...
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1. Loosen the locknut. 2. Turn the spring preload adjusting nut in direc- tion (a) to increase the spring preload and A special wrench can be obtained at a Yamaha thereby harden the suspension, and in direc- dealer to make this adjustment.
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Spring preload setting: Tightening torque: Minimum (soft): Locknut: Distance A = 238.5 mm (9.39 in) 42 N·m (4.2 kgf·m, 31 lb·ft) Standard: Distance A = 228.5 mm (9.00 in) Rebound damping force Maximum (hard): Turn the rebound damping force adjusting screw Distance A = 223.5 mm (8.80 in) in direction (a) to increase the rebound damping force and thereby harden the damping, and in di-...
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Rebound damping setting: Minimum (soft): 30 click(s) in direction (b)* Standard: 18 click(s) in direction (b)* Maximum (hard): 1 click(s) in direction (b)* * With the adjusting screw fully turned in di- rection (a) 1. Fast compression damping force adjusting bolt Compression damping force Fast compression damping force settings: Minimum (soft):...
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Do not dispose of a damaged or worn out Minimum (soft): 18 click(s) in direction (b)* shock absorber assembly yourself. Take the Standard: shock absorber assembly to a Yamaha deal- 10 click(s) in direction (b)* er for any service. Maximum (hard): 1 click(s) in direction (b)*...
Do not operate the vehicle if you find any problem. If a problem cannot be corrected by the procedures provided in this manual, have the vehicle inspected by a Yamaha dealer. Before using this vehicle, check the following points:...
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ITEM ROUTINE PAGE • Check operation. If soft or spongy, have Yamaha dealer bleed hy- draulic system. • Check brake pads for wear, and replace if necessary. Front brake 5-4, 8-30, 8-31, 8-34 • Check brake fluid level in reservoir, and add specified brake fluid to specified level if necessary.
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ITEM ROUTINE PAGE • Make sure that operation is smooth. Lubricate lever pivoting points Brake and clutch levers 8-42 if necessary. Chassis fasteners • Make sure that all nuts, bolts and screws are properly tightened. Instruments, lights and • Check operation, and correct if necessary. switches...
Yamaha dealer check the brake sys- tem. Brake lever and brake pedal Check that there is no free play in the brake le- ver. If there is free play, have a Yamaha dealer check the brake system.
Check the operation of the throttle lever. It must also cause the tire to dislodge from the rim un- open smoothly and spring back to the idle position der severe riding conditions. [EWB02542] when released. Have a Yamaha dealer correct if necessary. Recommended tire pressure: Front EBU19771 27.5 kPa (0.275 kgf/cm², 4.0 psi)
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A low-pressure tire gauge is included as standard air valves. After extensive tests, only the tires list- equipment with your vehicle. (See page 8-2.) ed below are approved for this model by Yamaha. When using the tire pressure gauge, make two EWB02552...
EBU19851 Front: Instruments, lights and switches Manufacturer/model: Check that all instruments, lights and switches are MAXXIS/MS13 Bias working properly. Correct if necessary. Size: AT22 x 7-10 Type: Tubeless Rear: Manufacturer/model: MAXXIS/M976Y Bias Size: AT20 x 10-9 Type: Tubeless Aftermarket tires and rims The tires and rims that came with your ATV were designed to match the performance capabilities and to provide the best combination of handling,...
3. Shift the transmission into neutral. The neutral accident or injury. indicator light should come on, if it does not come on, have a Yamaha dealer check the electrical circuit. EBU29954 Starting the engine...
The clutch is disengaged with the transmission To shift into neutral, release the throttle lever, ap- in gear. However, it is recommended to shift ply the clutch, and then repeatedly depress the into neutral before starting the engine. shift pedal until it stops. When it stops, it will be in first gear.
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3. Shift into first gear, and then release the EBU20653 To decelerate brake. NOTICE: Always close the throttle When slowing down or stopping, release the before shifting gears, otherwise damage throttle and apply the brakes smoothly and evenly. to the engine and drive train may result. As you slow down, shift to a lower gear.
erly lubricated only when the engine is run- 1. Bring the ATV to a complete stop, apply the ning. Inadequate lubrication may damage clutch lever, and then shift the transmission the transmission. into first gear. Always use the clutch when changing gears. 2.
If the indicator light does not come on, ate it at one set throttle position. have a Yamaha dealer check the electrical circuit. 160–320 km (100–200 mi) or 10–20 hours 4. Check behind you for people or obstacles, Avoid prolonged operation above 3/4 throttle.
EBU20922 Genuine Yamaha Accessories ing brake, and then block the front and rear Choosing accessories for your ATV is an impor- wheels with rocks or other objects. tant decision. Genuine Yamaha Accessories, which are available only from a Yamaha dealer,...
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Accessories should be rigidly and securely and accessories or offer other modifications for Yamaha vehicles. Yamaha is not in a position to mounted. An accessory which can shift position test the products that these aftermarket compa- or come off while you are riding could affect nies produce.
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If you are carrying cargo and towing a trailer, in- EBU20942 Loading clude the tongue weight in the maximum ATV EWB00821 load limit. WARNING Load cargo on the carriers as close to the center Never exceed the stated load capacity for this of the ATV as possible.
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EWB00012 WARNING Indicates a hazardous situation which, if not avoided, could result in death or serious injury.
Before you begin to ride, be Yamaha. They should then regularly practice the sure you have read this Owner’s Manual com- skills learned in the course and the operating tech- pletely and understand the operation of the con- niques described in this Owner’s Manual.
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more information about the training course, con- tact an authorized ATV dealer or call 1-800-887- 2887. Riding your ATV requires skills acquired through practice over a period of time. Do not attempt to operate at maximum perfor- mance until you are totally familiar with the ATV’s handling and performance characteristics.
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proved motorcycle helmet increases your chances of a severe head injury or death in the event of an accident. [EWB01412] Apparel Always wear the following to reduce risk of injury in an accident: Approved motorcycle helmet that fits properly ...
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Wear eye protection when operating your ATV to Do not operate after or while consuming alco- reduce the risk of a serious accident or injury. Eye hol or drugs. protection, such as a face shield or goggles, may The operator’s performance capability is reduced reduce the risk of foreign material getting in your by the influence of alcohol or drugs.
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nance procedures and schedules described in the Owner’s Manual. WARNING! Failure to inspect the ATV before riding it or failure to maintain it properly increases the possibility of an acci- dent and equipment damage. [EWB01433] Speed limiter For riders less experienced with this model, the throttle lever housing is equipped with a speed limiter.
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Loading and accessories MAXIMUM LOADING LIMIT EWB00973 ATV loading limit (total weight of cargo, rid- WARNING er, accessories, and tongue): Improper loading or towing can increase the 100.0 kg (220 lb) risk of loss of control, an overturn, or other ac- cident.
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ATV should creases the chance of an accident, including be genuine Yamaha or equivalent components an overturn. Never attempt stunts, such as designed for use on this ATV and should be in- wheelies or jumps.
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Exhaust system To prevent burns, avoid touching the exhaust sys- tem. Park the ATV in a place where pedestrians or EWB01502 WARNING children are not likely to touch it. Dry grass or brush or other combustible ma- terial accumulated around the engine area could catch fire.
BE CAREFUL WHERE YOU RIDE ate ATVs on public streets, roads and highways. This ATV is designed for off-road use only. WARNING! Never operate this ATV on any pu- WARNING! Paved surfaces may seriously af- blic street, road or highway, even a dirt or grav- fect handling and control of the ATV, and may el one.
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Know the terrain where you ride. Ride cautiously in Do not operate on rough, slippery, or loose terrain unfamiliar areas. Stay alert for holes, rocks, or until you have learned and practiced the skills nec- roots in the terrain, and other hidden hazards essary to control the ATV on such terrain.
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as a trailer hitch. WARNING! You could collide with another vehicle if operating in off-road ar- eas where you cannot easily be seen. Mount a caution flag on the ATV to make you more vis- ible. Watch carefully for other vehicles. [EWB01062] Select a large, flat area off-road to become familiar with your ATV.
and at the same time, quickly pull in the clutch le- TURNING YOUR ATV ver and shift into 2nd gear. Open the throttle part EWB01772 WARNING way and gradually release the clutch. WARNING! If the throttle is applied too abruptly or if the Always follow proper procedures for turning as throttle is not released during shifting, or if the described in this Owner’s Manual.
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Once you have learned this technique, you should be able to perform it at higher speeds or in tighter curves. Improper riding procedures such as abrupt throt- tle changes, excessive braking, incorrect body movements, or too much speed for the sharpness of the turn may cause the ATV to tip.
Avoid crossing the side of a steep hill if pos- CLIMBING UPHILL sible. When crossing the side of a hill, shift EWB01592 WARNING your weight to the uphill side of the ATV. Climbing hills improperly can cause overturns or loss of control. Use proper riding techniques described in this Owner’s Manual.
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It is important when climbing a hill to make sure that your weight is transferred forward on the ATV. This can be accomplished by leaning forward and, on steeper inclines, standing on the footrests and leaning forward over the handlebars. Whenever possible, ride straight up hills.
If you start to roll backwards, DO NOT apply the rear brake, and apply the front brake gradually. The ATV could easily tip over backwards. When fully stopped, apply the rear brake as well, and then lock the parking brake. Dismount the ATV im- mediately on the uphill side or to a side if pointed straight uphill.
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Never operate the ATV on hills too steep for Whenever possible, ride your ATV straight down- the ATV or for your abilities. The ATV can hill. Avoid sharp angles which could allow the ATV overturn more easily on extremely steep hills to tip or roll over.
CROSSING A SLOPE As you travel across a slope, lean your body in the uphill direction. It may be necessary to correct the EWB01633 WARNING steering when riding on loose surfaces by pointing the front wheels slightly uphill. When riding on Improperly crossing hills or turning on hills could cause loss of control or cause the ATV to slopes, be sure not to make sharp turns either up...
CROSSING THROUGH SHALLOW WATER EWB01642 WARNING Operating this vehicle through deep or fast- flowing water can lead to loss of control or an overturn. To reduce your risk of drowning or other injuries, use care when crossing through water. Never operate this ATV water deeper than the depth specified in your Owner’s Man- ual, as tires may float, increasing the risk of an overturn.
Test your brakes after leaving the water. If neces- Wash the ATV in fresh water if it has been operat- sary, apply them several times to let friction dry ed in salt water or muddy conditions. out the linings. Do not continue to ride your ATV without verifying that you have regained proper braking ability.
Riding over rough terrain should be done with To reduce the tendency for the front wheels to caution. Look out for obstacles which could cause slide in loose or slippery conditions, positioning damage to the ATV or could lead to an upset or your weight over the front wheels will sometimes accident.
WHAT TO DO... If your ATV doesn’t turn when you want it to: Bring the ATV to a stop and practice the turning maneuvers again. Be sure you are putting your weight on the footrest to the outside of the turn. Position your weight over the front wheels for better control.
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If your ATV is traversing a sloping surface: Be sure to ride with your weight positioned to- wards the uphill side of the ATV to maintain proper balance. If the ATV starts to tip, steer down the hill (if there are no obstacles in your way) to regain balance.
The intervals given in the periodic maintenance vice or while using the vehicle. If you are not fa- charts should be considered as a general guide miliar with vehicle service, have a Yamaha under normal riding conditions. However, DE- dealer perform the service.
If you do not have the tools or experience required spective compartments under the seat. for a particular job, have a Yamaha dealer perform it for you. 1. Owner’s manual 2.
For odometer or hour meter-equipped vehicles, follow the month maintenance interval if the ATV isn’t ridden for the stated mileage or engine operating hours. Items marked with an asterisk should be performed by a Yamaha dealer as they require special tools, data and technical skills.
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INITIAL EVERY month Whichev- CHECK OR MAINTENANCE ITEM er comes 1300 2500 2500 5000 km (mi) first (200) (800) (1600) (1600) (3200) hours • Check for leakage and replace gasket(s) if neces- sary. √ √ √ Exhaust system • Check for looseness and tighten all screw clamps and joints if necessary.
For odometer or hour meter-equipped vehicles, follow the month maintenance interval if the ATV isn’t ridden for the stated mileage or engine operating hours. Items marked with an asterisk should be performed by a Yamaha dealer as they require special tools, data and technical skills.
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INITIAL EVERY month Whichev- CHECK OR MAINTENANCE ITEM er comes 1300 2500 2500 5000 km (mi) first (200) (800) (1600) (1600) (3200) hours • Check for cracks or other damage, and replace if √ √ √ √ necessary. Brake hoses •...
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INITIAL EVERY month Whichev- CHECK OR MAINTENANCE ITEM er comes 1300 2500 2500 5000 km (mi) first (200) (800) (1600) (1600) (3200) hours √ √ √ Drive chain roller • Check for wear and replace if necessary. • Make sure that all nuts, bolts, and screws are √...
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INITIAL EVERY month Whichev- CHECK OR MAINTENANCE ITEM er comes 1300 2500 2500 5000 km (mi) first (200) (800) (1600) (1600) (3200) hours • Check coolant level and ATV for coolant leakage, √ √ √ √ √ and correct if necessary. Cooling system •...
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Hydraulic brake service • Regularly check and, if necessary, correct the brake fluid level. • Every two years replace the internal components of the brake master cylinders and calipers, and change the brake fluid. • Replace the brake hoses every four years and if cracked or damaged.
EWB00012 EBU23102 Panel A WARNING Indicates a hazardous situation which, if not To remove the panel avoided, could result in death or serious injury. Remove the bolts, and then take the panel off. EBU23081 Removing and installing the panel The panel shown needs to be removed to perform some of the maintenance jobs described in this chapter.
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If the spark plug shows a distinctly different color, spark plug wrench included in the owner’s the engine could be operating improperly. Do not tool kit. attempt to diagnose such problems yourself. In- stead, have a Yamaha dealer check the ATV. 8-11...
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2. Check the spark plug for electrode erosion To install the spark plug and excessive carbon or other deposits, and 1. Clean the surface of the spark plug gasket replace it if necessary. and its mating surface, and then wipe off any grime from the spark plug threads.
EBU2678A Engine oil and oil filter element The engine oil should be between the minimum The engine oil level should be checked before and maximum level marks. each ride. In addition, the oil must be changed and the oil filter element replaced at the intervals spec- ified in the periodic maintenance and lubrication chart.
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Be sure the engine oil is at the correct lev- 4. Remove the crankcase engine oil filler bolt el, otherwise engine damage may result. and its O-ring, and then remove the crank- case engine oil drain bolt and its gasket. [ECB00852] When adding oil, be careful not to overfill the en- gine oil tank;...
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1. Crankcase engine oil drain bolt 1. Engine oil tank drain bolt 2. Gasket 2. Gasket 5. Remove the engine oil tank filler cap, and then remove the engine oil tank drain bolt and Skip steps 6–9 if the oil filter element is not being its gasket.
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1. Oil filter element cover 1. Oil filter element 2. Bolt 2. O-ring 7. Remove the oil filter element and the O-rings. 8. Install a new oil filter element and new O- rings. Make sure that the O-rings are properly seated. 9.
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10. Install the crankcase engine oil drain bolt, the 14. Remove the engine oil tank filler cap, and engine oil tank drain bolt and their new gas- then gradually fill the oil tank with the remain- ket, and then tighten the bolts to the specified ing oil quantity while regularly checking the oil torques.
with a diesel specification of “CD” or oils of a higher quality than specified. In addition, The coolant level must be checked on a cold en- do not use oils labeled “ENERGY CONSERV- gine since the level varies with engine tempera- ING II”...
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1. Coolant reservoir cap has been added to the coolant, have a Coolant reservoir capacity (up to the maxi- Yamaha dealer check the antifreeze con- mum level mark): tent of the coolant as soon as possible, 0.25 L (0.26 US qt, 0.22 Imp.qt) otherwise the effectiveness of the coolant will be reduced.
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EBU23545 To change the coolant EWB01891 WARNING Wait for the engine and radiator to cool before removing the radiator cap. You could be burned by hot fluid and steam blown out under pressure. Always place a thick rag over the cap when opening.
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5. Remove the coolant reservoir cap. 9. Connect the coolant reservoir hose. 6. Disconnect the coolant reservoir hose on the 10. Pour the recommended coolant into the res- coolant reservoir side, and then drain the ervoir to the maximum level mark, and then install the reservoir cap.
14. Start the engine, and then check for coolant leakage. If any leakage is found, have a Yamaha dealer check the cooling system. 15. Install the panel. 1. Air filter case check hose EBU26809 1.
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1. Air filter element 1. Air filter case cover 2. Washer 2. Air filter case cover holder 3. Wing bolt 4. Fully loosen the wing bolt. 6. Remove the wing bolt and washer from the air 5. Remove the air filter element together with filter element.
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10. Check the sponge material and replace it if 2. Air filter element frame damaged. 11. Apply Yamaha foam air filter oil or other qual- 8. Wash the sponge material gently but thor- ity foam air filter oil to the sponge material.
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1. Air filter element seat 1. Washer 14. Install the washer onto the air filter element 15. Insert the air filter element into the air filter frame, and then insert the wing bolt into the case, and then tighten the wing bolt. hole in the air filter element frame.
17. Install the seat. The air filter element should be cleaned every 20– 40 hours. It should be cleaned and lubricated more often if the ATV is operated in extremely dusty areas. Each time the air filter element main- tenance is performed, check the air inlet of the air filter case for obstructions.
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1. Bolt 1. Tailpipe 2. Retainer 2. Spark arrester 3. Tailpipe 4. Install the gasket, tailpipe, and retainer and 4. Gasket align the bolt holes. 3. Tap the tailpipe lightly, and then use a wire 5. Install the bolts and tighten them to the spec- brush to remove any carbon deposits from ified torque.
3. Check the engine idling speed and, if neces- Tightening torque: sary, adjust it to specification by turning the Tailpipe cover bolt: idle adjusting screw. To increase the engine 8 N·m (0.8 kgf·m, 5.9 lb·ft) idling speed, turn the idle adjusting screw in direction (a), and to decrease it, turn the EWB02341 screw in direction (b).
1. Rubber cover prevent this from occurring, the valve clearance 2. Throttle lever free play adjusting bolt must be adjusted by a Yamaha dealer at the inter- 3. Locknut vals specified in the periodic maintenance and lu- 4. Throttle lever free play brication chart.
If a brake pad has worn to the point and adjusted at the intervals specified in the peri- that the wear indicator grooves have almost dis- odic maintenance and lubrication chart. appeared, have a Yamaha dealer replace the brake pads as a set. EBU29602 Brakes Replacement of brake components requires pro- fessional knowledge.
If a brake pad has worn to the point Front brake (YFM70RSBJ) that the wear indicator grooves have almost dis- appeared, have a Yamaha dealer replace the brake pads as a set. 1. Minimum level mark 1. Wear indicator groove...
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(YFM70RSXJ / YFM70RSSJ) To check the rear brake fluid level, remove the seat. (See page 4-11.) To access the rear brake fluid reservoir for replen- ishing: 1. Remove the bolt and quick fastener screw. 1. Minimum level mark Rear brake 1.
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Insufficient brake fluid may allow air to enter the brake system, reducing braking perfor- mance. Clean the filler cap before removing. Use only DOT 4 brake fluid from a sealed contain- Use only the specified brake fluid; otherwise, the rubber seals may deteriorate, causing leakage.
Oil seals: Replace every two years. Brake hoses: Replace every four years. 1. No brake lever free play There should be no free play at the brake lever end. If there is free play, have a Yamaha dealer in- spect the brake system. 8-34...
47–51 mm (1.85–2.01 in) brake pedal is not positioned as specified, have a Periodically check the cable length “A” and adjust Yamaha dealer adjust it. if necessary. 1. Release the parking brake by moving the parking brake lever to the right.
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If the cable length cannot be adjusted to specifi- again. cation, consult a Yamaha dealer. 6. Tighten the locknut on the brake cable. 7. Slide the rubber cover to its original position. 8-36...
The brake light switch for the brake pedal can be adjusted as follows, but the front brake light switch should be adjusted by a Yamaha dealer. Turn the rear brake light switch adjusting nut while holding the brake light switch in place. To make the brake light come on earlier, turn the adjusting nut in direction (a).
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If the specified free play cannot be obtained as de- scribed above or if the clutch does not operate correctly, have a Yamaha dealer check the internal clutch mechanism. 8-38...
EBU26866 Drive chain slack The drive chain slack should be checked before each ride and adjusted if necessary. When checking and adjusting the drive chain slack, there should be no weight on the ATV and all tires must be touching the ground. To check the drive chain slack 1.
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1. Rear wheel axle pinch bolt 2. Rod 3. Drive chain tensioner 4. Hole A rod can be obtained at a Yamaha dealer to make this adjustment. Tightening torque: Rear axle pinch bolt: 4. Shift the transmission into neutral.
EBU24883 Lubricating the drive chain The drive chain must be cleaned and lubricated at the intervals specified in the periodic maintenance and lubrication chart, otherwise it will quickly wear out, especially when riding in dusty or wet areas. Service the drive chain as follows. ECB00562 NOTICE The drive chain must be lubricated after wash-...
If a cable is damaged or does not move EBU24923 Checking and lubricating the brake smoothly, have a Yamaha dealer check or replace and clutch levers The operation of the brake and clutch levers Recommended lubricant: should be checked before each ride, and the lever Yamaha cable lubricant or other suitable pivots should be lubricated if necessary.
Recommended lubricant: Lubricating the swingarm pivots Lithium-soap-based grease The swingarm pivots must be lubricated by a Yamaha dealer at the intervals specified in the pe- EBU24964 riodic maintenance and lubrication chart. Checking the wheel hub bearings The front and rear wheel hub bearings must be...
EBU25006 Lubricating the rear suspension relay arm and connecting arm pivoting points The rear suspension relay arm and connecting arm pivoting points must be lubricated at the inter- vals specified in the periodic maintenance and lu- brication chart. Recommended lubricant: Lithium-soap-based grease 1.
Left side For parts equipped with a grease nipple, use a grease gun. EBU25035 Lubricating the upper and lower arm pivots The upper and lower arm pivots must be lubricat- ed at the intervals specified in the periodic main- tenance and lubrication chart. Recommended lubricant: 1.
It is recommended to have the battery serviced Lubricating the steering shaft by a Yamaha dealer. The steering shaft must be lubricated by a Yamaha dealer at the intervals specified in the pe- riodic maintenance and lubrication chart. Recommended lubricant: Lithium-soap-based grease...
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EWB02161 WARNING Battery electrolyte is poisonous and danger- ous, as it contains sulfuric acid, which can cau- se severe burns. Avoid contact with skin, eyes or clothing. Always shield your eyes when working near batteries. Antidote: EXTERNAL: Flush with water. INTERNAL: Drink large quantities of water or milk.
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ECB00933 NOTICE To charge a VRLA (valve-regulated lead-acid) battery, a special battery charger is required. Using a conventional battery charger will dam- age the battery. To store the battery If the ATV will not be used for more than one month, remove the battery, fully charge it, and then place it in a cool, dry place.
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2. Connect the positive battery lead first, then connect the negative battery lead by installing their bolt. NOTICE: When installing the bat- tery, the main switch must be off, and the positive lead must be connected before the negative lead. [ECB01111] 1.
EBU34661 Replacing a fuse 1. Fuel injection system fuse 2. Radiator fan motor fuse 1. Main fuse 3. Ignition fuse 2. Spare main fuse 4. Signaling system fuse 5. Headlight fuse 6. Spare fuse If an electrical problem is suspected, check the fuse and replace it if necessary as follows.
2. Remove the bulb cover. Fuel injection system fuse: 10.0 A 4. Turn on the main switch and start the engine. 5. If the fuse immediately blows again, have a Yamaha dealer check the vehicle. 6. Install the seat. 8-51...
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1. Socket 1. Bulb cover 4. Place a new headlight bulb into position. 3. Remove the socket by pushing it in and turn- NOTICE: Do not touch the glass part of the ing it counterclockwise, and then remove the bulb. Oil from your fingers or other con- burnt-out bulb.
Adjusting a headlight beam If the tail/brake light does not come on, have a ECB00691 Yamaha dealer check it. NOTICE It is advisable to have a Yamaha dealer make EBU25652 Removing a wheel this adjustment. 1. Place the ATV on a level surface.
2. Loosen the wheel nuts. 1. Arrow mark 2. Forward rotating direction 1. Wheel nut 3. Wheel nut 3. Elevate the ATV and place a suitable stand 2. Lower the ATV to the ground. under the frame. 3. Tighten the wheel nuts to the specified 4.
The following troubleshooting charts represent quick and easy procedures for checking these vi- tal systems yourself. However, should your ATV require any repair, take it to a Yamaha dealer, whose skilled technicians have the necessary tools, experience, and know-how to service the ATV properly.
Remove the spark plug and check the electrodes. The engine does not start. Have a Yamaha dealer check the ATV. Check the compression. 4. Compression The engine does not start. There is compression.
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Start the engine. If the engine overheats again, have a The coolant level Yamaha dealer check and repair the cooling system. is OK. If coolant is not available, tap water can be temporarily used instead, provided that it is changed to the recommended coolant as soon as possible.
EBU25861 CLEANING AND STORAGE ter pressure may cause water seepage EBU25903 Cleaning and deterioration of wheel bearings, Frequent, thorough cleaning of your ATV will not brakes, transmission seals and electrical only enhance its appearance but will improve its devices. Many expensive repair bills have general performance and extend the useful life of resulted from improper high-pressure de- many components.
abrasives which may mar the paint or protec- 3. Fill up the fuel tank and add fuel stabilizer (Fu- tive finish. When finished cleaning, start the el Med Rx if available), and then run the en- engine and let it idle for several minutes. gine for 5 minutes to distribute the treated fuel.
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6. Put the frame on stands or blocks to raise all wheels off the ground. (Alternatively, turn the wheels each month to prevent the tires from degrading in one spot.) 7. Cover the muffler outlet with a plastic bag to prevent moisture from entering it.
EBU25962 SPECIFICATIONS Dimensions: Compression ratio: 10.0 : 1 Overall length: Starting system: 1845 mm (72.6 in) Electric starter Overall width: Lubrication system: 1155 mm (45.5 in) Dry sump Overall height: Engine oil: 1115 mm (43.9 in) Seat height: Recommended brand: 830 mm (32.7 in) YAMALUBE Wheelbase:...
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Engine oil quantity: Clutch: Without oil filter element replacement: Clutch type: 1.75 L (1.85 US qt, 1.54 Imp.qt) Wet, multiple-disc With oil filter element replacement: Transmission: 1.85 L (1.96 US qt, 1.63 Imp.qt) Primary reduction ratio: Coolant quantity: 77/34 (2.265) Coolant reservoir (up to the maximum level mark): Secondary reduction system: 0.25 L (0.26 US qt, 0.22 Imp.qt)
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Trail: Front wheel: 22.0 mm (0.87 in) Rim size: Front tire: 10 x 5.5AT Type: Rear wheel: Tubeless Rim size: Size: 9 x 8.0AT AT22 x 7-10 Front brake: Manufacturer/model: Type: MAXXIS/MS13 Bias Disc brake Rear tire: Operation: Type: Right hand operation Tubeless Specified brake fluid: Size:...
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Spring/shock absorber type: Engine trouble warning light: Coil spring/gas-oil damper Wheel travel: Fuses: 256 mm (10.1 in) Main fuse: Electrical system: 30.0 A Ignition system: Fuel injection system fuse: 10.0 A Charging system: Headlight fuse: AC magneto 10.0 A Battery: Signaling system fuse: 10.0 A Model:...
Yamaha dealer or for reference in case the ATV is stolen. KEY IDENTIFICATION NUMBER: VEHICLE IDENTIFICATION NUMBER: 1.
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Model label ment Canada. The model label is affixed at the location in the il- lustration. Record the information on this label in the space provided. This information will be need- ed when ordering spare parts from a Yamaha dealer. 11-2...
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1. Vehicle Emission Control Information label 11-3...
EBU26061 Noise regulation TAMPERING WITH NOISE CONTROL SYSTEM PROHIBITED: Federal law prohibits the following acts or the causing thereof: (1) The removal or rendering inoperative by any person other than for purposes of maintenance, repair, or replacement of any device or element of design incorporated into any new vehicle for the purpose of noise control prior to its sale or delivery to the ultimate purchaser or while it is in use or (2) the use of the vehicle after such device or element of design has been removed or rendered inoperative by any person.
EBU26081 Maintenance record Copies of work orders and/or receipts for parts you purchase and install will be required to document maintenance done in accordance with the warranty. The chart below is printed only as a reminder to you that the maintenance work is required. It is not acceptable proof of maintenance work. MAINTENANCE INTERVAL DATE OF SERVICING DEALER...
EBU30971 YAMAHA MOTOR CORPORATION, U.S.A. 2015 AND LATER MODEL ATV LIMITED WARRANTY Yamaha Motor Corporation, U.S.A. hereby warrants SPECIFIC EXCLUSIONS from this warranty shall warranty to remain in effect, this inspection and that new Yamaha ATVs purchased from include parts replaced due to normal wear or routine...
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Attention: Warranty Department 3. Each Yamaha ATV dealer is held responsible for his setup, service and war- ranty repair work. This will ensure that Yamaha Motor Corporation, U.S.A. has an up-to-date registration record in accordance with federal law.
Y.E.S. coverage is transferable to a new owner if you shows in the comprehensive coverage benefits. There sell or trade in your ATV. That can make your Yamaha are no mileage limitations. Coverage isn’t limited to “moving par ts” or the “drive train” like many other plans.
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Yamaha. See your dealer today! YAMAHA EXTENDED SERVICE A special note: If visiting your dealer isn’t convenient, contact Yamaha with your VIN number (vehicle identification number). We’ll be happy to help you get the Y.E.S. coverage you need. Yamaha Service Marketing P.O. Box 6555...
INDEX Accessories and loading ..........6-6 Engine break-in .............. 6-5 Air filter element, cleaning ........... 8-22 Engine idling speed ............. 8-28 Engine oil ............... 5-4 Engine oil and oil filter element ........8-13 Battery ................. 8-46 Engine, start ..............6-1 Brake and clutch levers, checking and lubricating ..
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Maintenance chart, emission control system ....8-3 Shock absorbers, front (YFM70RSXJ / Maintenance record .............11-5 YFM70RSSJ) ............. 4-14 Model label ..............11-2 Spark arrester, cleaning ..........8-26 Spark plug, checking ........... 8-10 Specifications .............. 10-1 Neutral indicator light .............4-2 Speed limiter ..............4-5 Noise regulation ............11-4 Start switch ..............
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EBU30393 For your best ownership experience, think Genuine Yamaha! Genuine Yamaha Parts – Genuine Yamaha replacement parts are the exact same parts as the ones originally equipped on your vehicle, providing you with the performance and durability you have come to expect.
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WARNING Improper ATV use can result in SEVERE INJURY or DEATH. ALWAYS USE NEVER USE NEVER CARRY NEVER USE AN APPROVED ON PUBLIC PASSENGERS WITH DRUGS HELMET AND ROADS OR ALCOHOL PROTECTIVE GEAR NEVER ALWAYS operate: without proper training or instruction. use proper riding techniques to avoid at speeds too fast for your skills or the vehicle overturns on hills and rough...
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