Page 1 READ THIS MANUAL CAREFULLY! It contains important safety information. OWNER’S MANUAL YFM70GPSK WARNING This ATV should not be ridden by anyone under 16 years of age. LIT-11626-32-34 B4F-F8199-11...
Page 2 EBU37021 Operating, servicing and maintaining a passenger vehicle or off-road vehicle can expose you to chemicals including engine exhaust, carbon monoxide, phthalates, and lead, which are known to the State of California to cause cancer and birth defects or other reproductive harm. To minimize exposure, avoid breathing exhaust, do not idle the engine except as necessary, service your vehicle in a well-ventilated area and wear gloves or wash your...
Page 3 Yamaha experience in the production of fine sporting, touring, and pace-setting 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.
Page 4 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.
Page 5 Please check your local riding laws and regulations before operating this ATV. EBU17403 YFM70GPSK OWNER’S MANUAL ©2019 by Yamaha Motor Corporation, U.S.A. 1st edition, June 2018 All rights reserved. Any reprinting or unauthorized use without the written permission of Yamaha Motor Corporation, U.S.A.
Page 6: Table Of Contents
Speed limiter..........4-16 EWB00012 WARNING Front brake lever........4-16 Brake pedal and rear brake lever ..... 4-17 Indicates a hazardous situation which, if not Drive select lever ........4-18 avoided, could result in death or serious injury. Fuel tank cap ..........4-18 Fuel ............
Page 7 OPERATION ........... 6-1 PERIODIC MAINTENANCE AND Starting the engine........6-1 ADJUSTMENT ..........8-1 Operating the drive select lever and Owner’s Manual and tool kit....... 8-2 driving in reverse........6-2 Periodic maintenance chart: Emission Engine break-in ........... 6-4 control system .......... 8-3 Parking ............
Page 8 U.S.A. 2015 AND LATER MODEL pedal ............8-50 ATV LIMITED WARRANTY ..... 11-6 Checking the wheel hub bearings.....8-51 YAMAHA EXTENDED SERVICE (Y.E.S.)... 11-8 Checking the stabilizer bushes ....8-51 Lubricating the rear knuckle pivots...8-51 INDEX ............12-1 Lubricating the steering shaft ....8-52 Battery............8-52...
Page 9: Location Of The Warning And Specification Labels
EBU17661 LOCATION OF THE WARNING AND SPECIFICATION LABELS...
Page 10 Never remove any labels from your ATV. If a label becomes difficult to read or comes off, request a re- placement label from your Yamaha dealer. Overloading this ATV or carrying cargo improperly can change handling, stability and braking performance and can lead to an accident.
Page 11 WARNING WARNING IMPROPER TIRE PRESSURE OR OVERLOADING CAN This unit contains high pressure nitrogen gas. CAUSE LOSS OF CONTROL. Mishandling can cause explosion. LOSS OF CONTROL CAN RESULT IN SEVERE Read owner's manual for instructions. INJURY OR DEATH. Do not incinerate, puncture or open. OPERATING TIRE PRESSURE: Set with tires cold •...
Page 12 Wait for the engine to return to normal idle speed before shifting. 2UD-F151E-00 WARNING UNDER Operating this ATV if you are under the age of 16 increases your chance of severe injury or death. NEVER operate this ATV if you are under age 16.
Page 13 Certification of Compliance LOAD LIMIT This ATV complies with applicable provisions of ANSI/SVIA 1-2017 and is subject to an approved ATV action plan submitted by YAMAHA and on file 9lbs (4kg) with the U.S. Consumer Product Safety Commission. YAMAHA MOTOR CORPORATION U.S.A.
Page 14: Safety Information
EBU17432 SAFETY INFORMATION SAFETY INFORMATION  Never allow a child under age 16 to operate an EBU27236 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.
Page 15  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.
Page 16  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 range and maintain a times to let friction dry out the linings.
Page 17 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.
Page 18 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...
Page 19  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.
Page 20: Description
EBU17681 DESCRIPTION EBU17691 EBU17701 Left view Right view 1. Radiator cap 1. Rear storage compartment 2. Battery 2. Fuel tank cap 3. Fuses 3. Tool kit 4. Air filter case 4. Center storage compartment 5. Spark arrester 5. Spark plug 6.
Page 21: Controls And Instruments
EBU17715 Controls and instruments 2 3 4 1. Drive select lever 2. Rear brake lever 3. Handlebar switches 4. Winch switch 5. Rear brake fluid reservoir 6. Multi-function display 7. Front brake fluid reservoir 8. On-Command 4WD switches 9. Throttle lever 10.Front brake lever 11.Front storage compartment 12.Main switch...
Page 22: Instrument And Control Functions
EBU1772C 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. EBU29913 Main switch 1. Main switch “...
Page 23: Indicator Lights And Warning Lights
EBU26698 EBU17992 Low-range indicator light “ ” Indicator lights and warning lights This indicator light comes on when the transmis- sion is in the low-range position. EBU17982 High-range indicator light “ ” This indicator light comes on when the transmis- sion is in the high-range position.
Page 24 When this occurs, the display will indicate The coolant temperature warning light can be an error code (see page 4-10). Have a Yamaha checked by turning the key to “ ” (on). The dealer check the self-diagnosis system.
Page 25 “ ” (on). If the  Due to the synchronizing mechanism in the dif- warning light does not come on, have a Yamaha ferential gear case, the four-wheel drive icon dealer check the electrical circuit.
Page 26: Multi-Function Display
 clock EBU38113 Multi-function display  hour meter  voltage display  coolant temperature display  fuel gauge  brightness control mode  error code display Speedometer The speedometer shows the vehicle’s traveling speed. The speedometer can be set to “MPH” or “km/h”.
Page 27 Odometer and tripmeters Push the “SELECT” button to switch between the odometer “ODO”, the tripmeters “TRIP A” and “TRIP B”, and the service tripmeter “ ” in the following order: ODO → TRIP A → TRIP B → → ODO To reset a tripmeter, set the display to the tripme- ter you want to reset, then push the “RESET”...
Page 28 Clock, hour meter, voltage display and coolant CLOCK → HOUR → VOLT → → CLOCK temperature display To set the clock 1. Set the display to the clock. 2. Push both the “SELECT” button and “RE- SET” button for 2 seconds. The hour digits will start flashing.
Page 29  The coolant temperature display can be set to circuit or the battery may be faulty. If this oc- “°C” or “°F”. To switch the temperature units, curs, have a Yamaha dealer check or repair the turn the key to “ ” (off), then while holding the vehicle.
Page 30 If the electrical circuit for the fuel gauge is not working correctly, all display segments will flash Fuel gauge repeatedly. Have a Yamaha dealer check the vehi- cle. Brightness control mode 1. Fuel gauge The fuel gauge indicates the amount of fuel in the fuel tank.
Page 31: Handlebar Switches
2. Push the “RESET” button to set the bright- If the display indicates an error code, note the ness level. code number and have a Yamaha dealer check 3. Push the “SELECT” button to confirm the se- the vehicle. lected brightness level and exit the brightness...
Page 32 EBU18102 Start switch “ ” Push this switch to crank the engine with the start- er. See the starting instructions on page 6-1 prior to starting the engine. LOCK EBU34123 Light switch “ /OFF” Set this switch to “ ” to turn on the left and right headlights (low beams) and the taillight.
Page 33 While the override switch is pushed, the segments indicate a malfunction in the electrical system. In of the speedometer digits will appear as shown in this case, take the ATV to a Yamaha dealer at the the figure. first opportunity.
Page 34 EWB00151 EWB00164 WARNING WARNING Always ride at a slow speed when the ATV is in Always stop the ATV before changing from four-wheel-drive differential gear lock, and al- two-wheel drive to four-wheel drive and vice low extra time and distance for maneuvers. versa.
Page 35  “LOCK” (four-wheel drive with the differential gear locked): power is supplied to the front and rear wheels and the differential gear is locked. Unlike in four-wheel drive, all wheels turn at the same speed, giving maximum traction. LOCK EWB00132 WARNING Always stop the ATV before changing from four-wheel drive to four-wheel-drive differen-...
Page 36: Throttle Lever
 Riding before the differential gear is properly en- EBU18285 Throttle lever gaged or disengaged (e.g., when the icon and indicator light are flashing) will cause the vehicle speed to be limited until the differential gear is completely engaged or disengaged. ...
Page 37: Speed Limiter
the adjusting screw in direction (b). Do not EBU18325 Speed limiter turn the adjusting screw out more than 12 mm (0.47 in) or the throttle cable could be damaged. Always make sure the throttle lever free play is adjusted to 3.0–5.0 mm (0.12– 0.20 in).
Page 38: Brake Pedal And Rear Brake Lever
The front brake lever is located on the right han- dlebar. To apply the front brake, pull the brake le- ver toward the handlebar grip. EBU18444 Brake pedal and rear brake lever 1. Rear brake lever The brake pedal is located on the right side of the ATV and the rear brake lever is located on the left handlebar.
Page 39: Drive Select Lever
EBU18614 EBU37980 Drive select lever Fuel tank cap 1. Drive select lever 1. Fuel tank cap The drive select lever is used to shift the transmis- Remove the fuel tank cap by turning it counter- sion into the low-range, high-range, neutral, re- clockwise.
Page 40: Fuel
of sparks, open flames, or other sources of 3. Wipe up any spilled fuel immediately. NOTICE: Immediately wipe off spilled fuel ignition such as the pilot lights of water heat- ers and clothes dryers. with a clean, dry, soft cloth, since fuel may 2.
Page 41: Seat
ECB00071 Recommended fuel: NOTICE Regular unleaded gasoline only Use only unleaded gasoline. The use of leaded Fuel tank capacity: gasoline will cause severe damage to internal 18 L (4.8 US gal, 4.0 Imp.gal) engine parts, such as the valves and piston Fuel reserve amount: rings, as well as to the exhaust system.
Page 42: Storage Compartments
To install the seat ECB00831 NOTICE Do not store metal or sharply edged objects, like tools, in the storage compartments. If they must be stored, wrap them in appropriate cushion material to prevent damaging the stor- age compartments. The front storage compartment is located at the front right side of the ATV.
Page 43 1. Front storage compartment 1. Center storage compartment lid The center storage compartment is located in front of the seat. To access the storage compart- ment, open the storage compartment lid. 1. Center storage compartment 4-22...
Page 44 The rear storage compartment is located under the taillight. To access the storage compartment, open the storage compartment lid by turning the storage compartment knob 1/4 turn counterclock- wise. 1. Rear storage compartment When storing any documents in the storage com- partments, be sure to wrap them in a plastic bag so that they will not get wet.
Page 45 A drain plug is fitted at the bottom of each storage compartment. If any water collects in a storage compartment, remove the drain plug, drain the water, and then install the drain plug. 1. Center storage compartment drain plug 1. Front storage compartment drain plug 1.
Page 46: Front Carrier
Uneven adjustment can cause poor handling A special wrench can be obtained at a Yamaha and loss of stability, which could lead to an ac- dealer to make this adjustment.
Page 47 Front spring preload setting: Minimum (soft): Standard: Maximum (hard): Rear spring preload setting: Minimum (soft): Standard: 1. Special wrench Maximum (hard): 4-26...
Page 48: Winch
This ATV is equipped with a 5 cm (2 in) trailer hitch 3. Hook strap receiver. 4. Fairlead Trailer towing equipment can be obtained at a Yamaha dealer. (See page 6-6 for precaution in- EWBM0041 formation.) WARNING To reduce the risk of injury or death, read and follow the Basic Guide to Winching Techniques prior to use.
Page 49: Auxiliary Dc Jack
EBU19186 Auxiliary DC jack 1. Trailer hitch receiver 1. Auxiliary DC jack cap 2. Auxiliary DC jack Auxiliary DC jack system capacity: 6.0 A (72 W) ECB03760 NOTICE Do not use any single electrical accessory or combination of accessories that require more than the stated capacity at any one time.
Page 50 ECB00122 NOTICE When using a winch or other electrical accesso-  If accessories are used with the engine off or ries, the power taken from the DC jack must be re- with the headlights on, the battery may dis- duced accordingly. charge to the point that the engine will not start.
Page 51: Pre-Operation Checks
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:...
Page 52 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 5-3, 8-43, 8-44, 8-46 • Check brake fluid level in reservoir, and add specified brake fluid to specified level if necessary.
Page 53: Fuel
Make sure that the differential gear oil is at the should be a firm feeling when the brakes are ap- specified level. Add oil as necessary. (See page plied. If not, have a Yamaha dealer check the 8-27.) brake system.
Page 54: Throttle Lever
[EWB02542] check the brake pads for wear. (See page 8-43.) EBU19762 Throttle lever Check the operation of the throttle lever. It must open smoothly and spring back to the idle position when released. Have a Yamaha dealer correct if necessary.
Page 55 Tire pressure gauge Recommended tire pressure: Front 35.0 kPa (0.350 kgf/cm², 5.0 psi) Rear 35.0 kPa (0.350 kgf/cm², 5.0 psi) Minimum tire pressure: Front 32.0 kPa (0.320 kgf/cm², 4.6 psi) Rear 32.0 kPa (0.320 kgf/cm², 4.6 psi) Maximum tire seating pressure: Front 1.
Page 56: Chassis Fasteners
After extensive tests, only the tires list- braking, and comfort. Other tires, rims, sizes, and ed below are approved for this model by Yamaha. combinations may not be appropriate. EWB02552...
Page 57: Operation
See the “Engine break-in” section on page 6-4 the ATV. If there is a control or function you do not prior to operating the engine for the first time. understand, ask your Yamaha dealer. EWB00632 WARNING To start the engine 1.
Page 58: Operating The Drive Select Lever And Driving In Reverse
ECB03330 on. If the indicator light does not come on, NOTICE have a Yamaha dealer check the electrical Do not shift without coming to a complete stop circuit. and waiting for the engine to return to normal 3.
Page 59 reverse, make sure there are no people or ob- stacles behind you. When it is safe to proceed, go slowly. 1. Bring the ATV to a complete stop. 2. Apply the brake pedal. 3. Shift from neutral to reverse or from reverse to park and vice versa by moving the drive se- lect lever along the shift guide.
Page 60: Engine Break-In
Vary the speed of the ATV regularly. Do not oper- should come on. If the indicator light does not ate it at one set throttle position. come on, have a Yamaha dealer check the elec- trical circuit. 120–240 km (75–150 mi) or 10–20 hours ...
Page 61: Parking On A Slope
Yamaha for use on your ATV. Many companies with no connection to Yamaha manufacture parts and accessories or offer other modifications for Yamaha vehicles. Yamaha is not in a position to test the products that these aftermarket compa- nies produce. Therefore, Yamaha can neither en-...
Page 62 Yamaha or modifications not specifically bulky object attached to the handlebars which recommended by Yamaha, even if sold and in- could make steering difficult, an accessory that stalled by a Yamaha dealer. limits your ability to move around on the seat, or one that limits your view.
Page 63  Never exceed the weight limits shown. An over-  Do not exceed the maximum tongue weight. loaded ATV can be unstable. You can measure tongue weight with a bath- room scale. Put the tongue of the loaded trailer MAXIMUM LOADING LIMIT on the scale with the tongue at hitch height.
Page 64  Avoid making sharp turns unless at very slow speeds.  Avoid hills and rough terrain. Choose terrain carefully. Added weight affects the stability and handling of the ATV. EWB00012 WARNING Indicates a hazardous situation which, if not avoided, could result in death or serious injury.
Page 65: Riding Your Atv
EBU21133 RIDING YOUR ATV...
Page 66: Getting To Know Your Atv
Before you begin to ride, be complete the certified training course offered by sure you have read this Owner’s Manual com- Yamaha. They should then regularly practice the pletely and understand the operation of the con- skills learned in the course and the operating tech-...
Page 67 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.
Page 68 This ATV is designed to carry the operator and cargo only – passengers prohibited. The long seat is to allow the operator to shift posi- tion as needed during operation. It is not for carry- ing passengers. WARNING! Never carry a passenger.
Page 69 Apparel Always wear the following to reduce risk of injury in an accident:  Approved motorcycle helmet that fits properly  Eye protection (goggles, helmet face shield, or protective eyewear)  Over-the-ankle boots, gloves, long-sleeved shirt or jacket, and long pants An approved helmet and other personal protective equipment can reduce the severity of injuries in an accident.
Page 70 Do not operate after or while consuming alco- nance procedures and schedules described in the hol or drugs. Owner’s Manual. WARNING! Failure to inspect The operator’s performance capability is reduced the ATV before riding it or failure to maintain it by the influence of alcohol or drugs.
Page 71  Make sure the load does not interfere with your control or ability to see where you are going.  Tie down cargo in the trailer securely. Make sure cargo in the trailer cannot move around. A shifting load can cause an accident. ...
Page 72 drive slowly (shift into first gear or low drive if avail- MAXIMUM LOADING LIMIT able on this model) whenever you are carrying ATV loading limit (total weight of cargo, rid- heavier loads or when towing a trailer. er, accessories, and tongue): 240.0 kg (530 lb) During operation Front carrier:...
Page 73 Avoid wheelies and jumping. WARNING! At- parts and accessories added to this ATV should tempting wheelies, jumps, and other stunts in- be genuine Yamaha or equivalent components creases the chance of an accident, including designed for use on this ATV and should be in- an overturn.
Page 74 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.
Page 75: Be Careful Where You Ride
BE CAREFUL WHERE YOU RIDE WARNING! Never operate this ATV on any pub- This ATV is designed for off-road use only. lic street, road or highway, even a dirt or gravel WARNING! Paved surfaces may seriously af- one. You could collide with another vehicle. fect handling and control of the ATV, and may [EWB01032] cause the ATV to go out of control.
Page 76 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.
Page 77 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.
Page 78: Turning Your Atv
resulting in a loss of directional control. Avoid To achieve maximum traction while riding off- higher speeds until you are thoroughly familiar road, the two rear wheels turn together at the with the operation of your ATV. same speed. Therefore, unless the wheel on the When slowing down or stopping, release the inside of the turn is allowed to slip or lose some throttle and apply the brakes smoothly and evenly.
Page 79 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. If the ATV be- gins to tip over to the outside while negotiating a turn, lean more to the inside.
Page 80: Climbing Uphill
 Avoid crossing the side of a steep hill if pos- CLIMBING UPHILL sible. When crossing the side of a hill, shift EWB01672 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.
Page 81 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 footboards and leaning forward over the handlebars. When- ever possible, ride straight up hills.
Page 82: Riding Downhill
If you start to roll backwards, DO NOT apply either brake abruptly. If you are in “2WD”, apply only the front brake. When fully stopped, apply the rear brake as well, and then shift to the park position. If you are in “4WD”, because all wheels are inter- connected by the drive train, applying either brake will brake all wheels, therefore, avoid sudden ap- plication of either the front or rear brake as the...
Page 83  Shift your weight backward and to the up rear brake will brake all wheels. When descending side of the hill. hills, using either brake lever or the brake pedal  Never go down a hill at high speed. will brake the wheels on the downhill side. Avoid ...
Page 84: Crossing A Slope
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...
Page 85: Crossing Through Shallow Water
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.
Page 86 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.
Page 87: Riding Over Rough Terrain
1. Center storage compartment drain plug 1. V-belt case drain plug RIDING OVER ROUGH TERRAIN EWB01652 WARNING Riding improperly over obstacles could cause loss of control or a collision. Before operating in a new area, check for obstacles. Never at- tempt to ride over large obstacles, such as large rocks or fallen trees.
Page 88: Sliding And Skidding
accident. Be sure to keep your feet firmly mounted To reduce the tendency for the front wheels to on the footboards at all times. Avoid jumping the slide in loose or slippery conditions, positioning ATV as loss of control and damage to the ATV may your weight over the front wheels will sometimes result.
Page 89: What To Do If
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 footboard to the outside of the turn.
Page 90  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.
Page 91: Periodic Maintenance And Adjustment
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.
Page 92: Owner's Manual And Tool Kit
Make sure to protect the Owner’s Manual If you do not have the tools or experience required by putting it in the plastic bag, then by placing the for a particular job, have a Yamaha dealer perform bag in the document pouch. it for you.
Page 93: Periodic Maintenance Chart: Emission Control System
 For odometer or hour meter-equipped vehicles, follow the month maintenance interval if the ATV isn’t ridden for the stated distance 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.
Page 94 INITIAL EVERY month Whichev- CHECK OR MAINTENANCE ITEM er comes 1300 2500 2500 5000 km (mi) first (150) (800) (1600) (1600) (3200) hours √ √ √ Spark arrester • Clean. • Check the air cut-off valve, reed valve, and hose Air induction sys- √...
Page 95: Periodic Maintenance Chart: General Maintenance And Lubrication
 For odometer or hour meter-equipped vehicles, follow the month maintenance interval if the ATV isn’t ridden for the stated distance 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.
Page 96 INITIAL EVERY month Whichev- CHECK OR MAINTENANCE ITEM er comes 1300 2500 2500 5000 km (mi) first (150) (800) (1600) (1600) (3200) hours • Check operation and correct if necessary. • Check brake pedal free play and adjust if neces- √...
Page 97 INITIAL EVERY month Whichev- CHECK OR MAINTENANCE ITEM er comes 1300 2500 2500 5000 km (mi) first (150) (800) (1600) (1600) (3200) hours Shock absorber as- • Check operation and correct if necessary. √ √ √ semblies • Check for oil leakage and replace if necessary. •...
Page 98 INITIAL EVERY month Whichev- CHECK OR MAINTENANCE ITEM er comes 1300 2500 2500 5000 km (mi) first (150) (800) (1600) (1600) (3200) hours • Change. √ √ Final gear oil • Check ATV for oil leakage, and correct if neces- sary.
Page 99  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.
Page 100: Removing And Installing Panels
EWB00012 WARNING Indicates a hazardous situation which, if not avoided, could result in death or serious injury. EBU23091 Removing and installing panels The panels shown need to be removed to perform some of the maintenance jobs described in this chapter. Refer to this section each time a panel needs to be removed and installed.
Page 101 Panel B To remove the panel 1. Remove panel A. 2. Remove the front carrier by removing the bolts. 1. Panel A To install the panel Place the panel in the original position. 1. Front carrier 2. Carrier bolt (upper) 8-11...
Page 102 1. Carrier bolt (under the fenders) 1. Panel B 2. Carrier bolt (lower) 2. Quick fastener 3. Projection 3. Remove the quick fasteners, pull panel B for- ward to release the projections, and then pull To install the panel the panel upward to remove it. 1.
Page 103 Panel C To remove the panel 1. Remove the seat. (See page 4-20.) 2. Remove panel A. 3. Remove the hoses from panel C. 2. Install the front carrier by installing the bolts and tightening them to the specified torques. Tightening torques: Carrier bolt (upper): 34 N·m (3.4 kgf·m, 25 lb·ft)
Page 104 1. Bolt 1. Screw 2. Quick fastener To install the panel 5. Remove the screws under the storage com- 1. Place the panel in the original position. partment lid, and then pull the panel upward to remove it. To ease removal of panel C, shift the drive select lever into the reverse position.
Page 105 2. Install the screws, quick fasteners, bolts, and hoses. Make sure that the hoses are properly connected and routed, and are not pinched. 3. Install panel A. 4. Install the seat. Panels D and E To remove a panel 1. Panel D 1.
Page 106 To install a panel Panels F and G 1. Place the panel in the original position, and To remove a panel then install the bolt. 1. Remove the panel bolts, footboard bolt, and footboard nut. 1. Panel F 2. Footboard nut 3.
Page 107 1. Panel G 2. Footboard nut 3. Footboard bolt 4. Panel bolt 5. Projection 2. Pull the panel downward while pushing the projection. To install a panel 1. Place the panel in the original position. 2. Install the bolts and nut, and then tighten them to the specified torques.
Page 108: Checking The Spark Plug
Tightening torques: Panel bolt: 4.0 N·m (0.40 kgf·m, 3.0 lb·ft) Footboard nut: 4.0 N·m (0.40 kgf·m, 3.0 lb·ft) EBU38130 Checking the spark plug The spark plug is an important engine component, which is easy to check. Since heat and deposits will cause any spark plug to slowly erode, the 1.
Page 109 If the spark plug shows a distinctly different color, the engine could be operating improperly. Do not 1. Spark plug gap attempt to diagnose such problems yourself. In- stead, have a Yamaha dealer check the vehicle. Spark plug gap: 0.8–0.9 mm (0.031–0.035 in) 8-19...
Page 110: Engine Oil And Oil Filter Cartridge
To install the spark plug EBU2746C Engine oil and oil filter cartridge 1. Clean the surface of the spark plug gasket The engine oil level should be checked before and its mating surface, and then wipe off any each ride. In addition, the oil must be changed and grime from the spark plug threads.
Page 111 5. Insert the dipstick completely into the oil filler hole, and then remove it again to check the oil level. The engine oil should be between the minimum and maximum level marks. 1. Access cover 4. Remove the engine oil dipstick, and then wipe it off with a clean rag.
Page 112 7. Insert the dipstick completely into the oil filler hole. 8. Install the access cover by turning it clock- wise. To change the engine oil (with or without oil fil- ter cartridge replacement) 1. Park the ATV on a level surface. 2.
Page 113 1. O-ring 2. Oil filter wrench Make sure that the O-ring is properly seated. An oil filter wrench is available at a nearby Yamaha 9. Install the new oil filter cartridge with an oil fil- dealer. ter wrench, and then tighten it to the specified 8.
Page 114 12. Refill with the specified amount of the recom- mended engine oil, and then insert the dip- stick completely into the oil filler hole. Recommended oil: See page 10-1. Oil quantity: Without oil filter cartridge replacement: 2.00 L (2.11 US qt, 1.76 Imp.qt) With oil filter cartridge replacement: 2.10 L (2.22 US qt, 1.85 Imp.qt) 1.
Page 115: Final Gear Oil
1. Final gear oil age before each ride. If any leakage is found, have 2. Gasket a Yamaha dealer check and repair the ATV. In ad- 3. Final gear oil level check bolt dition, the final gear oil level must be checked and 4.
Page 116 To change the final gear oil 1. Park the ATV on a level surface. 2. Place an oil pan under the final gear case to collect the used oil. 3. Remove the final gear oil filler bolt, the final gear oil level check bolt, the final gear oil drain bolt and their gasket to drain the oil from the final gear case.
Page 117: Differential Gear Oil
The differential gear case must be checked for oil leakage before each ride. If any leakage is found, 1. Final gear oil have a Yamaha dealer check and repair the ATV. 2. Gasket In addition, the differential gear oil level must be 3.
Page 118 To check the differential gear oil level 5. Install the oil filler bolt and its gasket, and then 1. Park the ATV on a level surface. tighten the bolt to the specified torque. 2. Remove the differential gear oil filler bolt and Tightening torque: its gasket, and then check the oil level in the Differential gear oil filler bolt:...
Page 119: Coolant
4. Install the drain bolt and its new gasket, and Recommended differential gear oil: then tighten the bolt to the specified torque. See page 10-1. Tightening torque: 6. Check the oil filler bolt gasket for damage, Differential gear oil drain bolt: and replace it if necessary.
Page 120 1.99 L (2.10 US qt, 1.75 Imp.qt) The coolant should be between the minimum and If genuine Yamaha coolant is not available, use an maximum level marks. ethylene glycol antifreeze containing corrosion in- hibitors for aluminum engines and mix with dis- tilled water at a 1:1 ratio.
Page 121 0.24 L (0.25 US qt, 0.21 Imp.qt) a Yamaha dealer check the antifreeze con- tent of the coolant as soon as possible, otherwise the effectiveness of the coolant will be reduced.
Page 122 EBU34213 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.
Page 123 1. Radiator cap 1. Coolant drain bolt 2. Gasket 5. Place a container under the engine, and then remove the coolant drain bolt and its gasket. (Use a trough or a similar object as shown to prevent coolant from spilling on the engine guard.) 1.
Page 124 6. Place a container under the coolant reservoir Tightening torque: to collect the used coolant. Coolant drain bolt: 7. Remove the coolant reservoir cap. 10 N·m (1.0 kgf·m, 7.4 lb·ft) 8. Disconnect the coolant reservoir hose on the coolant reservoir side, and then drain the 11.
Page 125 15. When coolant begins to flow out of the bolt 18. Loosen the cylinder head air bleed bolt, with- hole, tighten the water pump air bleed bolt to out removing it, to allow all of the air to es- the specified torque. cape from the air bleed bolt hole.
Page 126 24. Start the engine, and then check for coolant leakage. If any leakage is found, have a Yamaha dealer 1. Footboard nut check the cooling system. 2. Footboard bolt A 3.
Page 127: Cleaning The Air Filter Element
EBU34233 Cleaning the air filter element The air filter element should be cleaned at the in- tervals specified in the periodic maintenance and lubrication chart. Clean or replace the air filter ele- ment more frequently if you ride in unusually wet or dusty areas.
Page 128 2. Remove the seat. (See page 4-20.) 3. Remove the air filter case cover by unhooking the air filter case cover holders. 1. Air filter element 5. Pull off the air filter element lock plate, and then remove the sponge material from the air 1.
Page 129 2. Sponge material damaged. 3. Air filter element lock plate 9. Apply Yamaha foam air filter oil or other qual- 6. Wash the sponge material gently but thor- ity foam air filter oil to the sponge material. oughly in solvent. WARNING! Always use parts cleaning solvent.
Page 130: Cleaning The Spark Arrester
case. Never operate the engine with the air filter element removed. Doing so would al- low unfiltered air to enter the engine, caus- ing rapid engine wear and possible engine damage. Additionally, the fuel injection system would be affected resulting in poor engine performance and possible over- heating.
Page 131: V-Belt Case Drain Plug
V-belt case, remove the V-belt case drain plug to drain the water from the case. If water drains from the V-belt case after removing the plug, have a Yamaha dealer check the ATV as the water may affect other engine parts. 8-41...
Page 132: Adjusting The Throttle Lever Free Play
The valve clearance changes with use, resulting in improper air-fuel mixture and/or engine noise. To prevent this from occurring, the valve clearance must be adjusted by a Yamaha dealer at the inter- vals specified in the periodic maintenance and lu- 1. Rubber cover brication chart.
Page 133: Checking The Front And Rear Brake Pads
Yamaha dealer replace the brake pads as a set. 1. Wear indicator groove The wheels need to be removed to check the Rear brake brake pads.
Page 134: Checking The Brake Fluid Level
Rear brake EBU29844 Checking the brake fluid level Before riding, check that the brake fluid is above the minimum level mark. Replenish the brake fluid if necessary. Straighten the handlebars for an accurate reading. Front brake 1. Minimum level mark Specified brake fluid: DOT 4 ECB01161...
Page 135: Changing The Brake Fluid
EBU24293 Changing the brake fluid leakage. If the brake fluid level suddenly goes Have a Yamaha dealer change the brake fluid at down, have a Yamaha dealer the brake system the intervals specified in the periodic maintenance before further riding.
Page 136: Checking The Front And Rear Brake Lever Free Play
Front brake 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. 1. No brake lever free play 8-46...
Page 137: Adjusting The Brake Pedal Free Play
1. Remove panel G. (See page 8-10.) EBU29076 Adjusting the brake pedal free play 2. Loosen the locknut. 3. Turn the brake pedal free play adjusting nut in direction (a) to increase the free play, and in direction (b) to decrease it. 1.
Page 138: Axle Boots
Check the axle boots for tears or damage. If any damage is found, have them replaced by a Yamaha dealer. 1. Brake pedal cable joint 2. Slight play (0.1–0.5 mm [0.004–0.02 in]) 6.
Page 139: Checking And Lubricating The Cables
If a cable is damaged or does not move The operation of the front and rear brake levers smoothly, have a Yamaha dealer check or replace should be checked before each ride, and the lever pivots should be lubricated if necessary.
Page 140: Checking And Lubricating The Brake Pedal
Front brake lever EBU28833 Checking and lubricating the brake pedal The operation of the brake pedal should be checked before each ride, and the pedal pivot should be lubricated if necessary. To access the brake pedal pivot, remove panel G. (See page 8-10.) Recommended lubricant: Lithium-soap-based grease...
Page 141: Checking The Wheel Hub Bearings
If there is play in a wheel hub or if a wheel does not turn smooth- ly, have a Yamaha dealer check the wheel hub bearings. EBU25054 Lubricating the rear knuckle pivots...
Page 142: Lubricating The Steering Shaft
(valve-regulated lead-acid) battery. There is no The steering shaft must be lubricated by a need to check the electrolyte or add distilled wa- Yamaha dealer at the intervals specified in the pe- ter. However, the battery lead connections need riodic maintenance and lubrication chart.
Page 143 2. Remove the front carrier by removing the  It is recommended to have the battery serviced bolts. by a Yamaha dealer. EWB02161 WARNING Battery electrolyte is poisonous and danger- ous, as it contains sulfuric acid, which can cause severe burns.
Page 144 1. Carrier bolt (under the fenders) 1. Battery holding plate 2. Carrier bolt (lower) 2. Nut 3. Negative battery lead (black) 3. Remove the battery holding plate by remov- 4. Positive battery lead (red) ing the nuts. 5. Pull the battery out of its compartment. 4.
Page 145  Select a suitable charger and follow the manu- To install the battery facturer’s instructions. 1. Place the battery in its compartment. 2. Connect the positive battery lead first, then ECB00933 NOTICE connect the negative battery lead by installing their bolt. NOTICE: When installing the bat- To charge a VRLA (valve-regulated lead-acid) battery, a special battery charger is required.
Page 146: Replacing A Fuse
EBU30524 Tightening torques: Replacing a fuse Carrier bolt (upper): 34 N·m (3.4 kgf·m, 25 lb·ft) Carrier bolt (lower): 34 N·m (3.4 kgf·m, 25 lb·ft) Carrier bolt (under the fenders): 7 N·m (0.7 kgf·m, 5.2 lb·ft) 5. Install the panel.  Make sure the positive and negative battery leads are installed as shown.
Page 147 2. Remove panel A. (See page 8-10.) 3. Remove the blown fuse, and then install a new fuse of the specified amperage. WARNING! Always use a fuse of the spec- ified rating, and never use a substitute ob- ject in place of the proper fuse. An improper fuse or a substitute object can cause damage to the electrical system, which could lead to a fire.
Page 148: Replacing A Headlight Bulb
40.0 A Left and right headlights Headlight fuse: This model is equipped with LED-type headlights. 10.0 A If a headlight does not come on, have a Yamaha Ignition fuse: dealer check the vehicle and replace the headlight 10.0 A if necessary.
Page 149 3. Remove the socket by pushing it in and turn- ing it counterclockwise. 1. Handlebar-mounted light cover 2. Quick fastener 1. Socket 2. Remove the bulb cover by pulling it off. 4. Remove the burnt-out bulb. 5. Place a new bulb into position. NOTICE: Do not touch the glass part of the bulb.
Page 150: Adjusting A Headlight Beam
8. Install the handlebar-mounted light cover as NOTICE shown, and then install the quick fasteners. It is advisable to have a Yamaha dealer make this adjustment. To raise a headlight beam, turn the headlight beam adjusting screw in direction (a).
Page 151: Brake/Tail Light
Brake/tail light This model is equipped with an LED type of brake/tail light. If the brake/tail light does not come on, have a Yamaha dealer check it. EBU25653 Removing a wheel 1. Park the ATV on a level surface. 2. Loosen the wheel nuts.
Page 152: Installing A Wheel
However, should your ATV 1. Arrow mark require any repair, take it to a Yamaha dealer, 2. Forward rotating direction whose skilled technicians have the necessary 3. Wheel nut tools, experience, and know-how to service the 2.
Page 153 EWB02281 WARNING Do not smoke when checking the fuel system. Fuel can ignite or explode, causing severe inju- ry or property damage. Make sure there are no open flames or sparks in the area, including pi- lot lights from water heaters or furnaces. 8-63...
Page 154: Troubleshooting Charts
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.
Page 155 Start the engine. If the engine overheats again, have a The coolant level Yamaha dealer check and repair the cooling system. is OK.  Tap water can be used in an emergency. Change to the recommended coolant as soon as possible.
Page 156: Cleaning And Storage
EBU25861 CLEANING AND STORAGE and deterioration of wheel bearings, EBU25882 Cleaning brakes, transmission seals and electrical Frequent, thorough cleaning of your ATV will not devices. Many expensive repair bills have only enhance its appearance but will improve its resulted from improper high-pressure de- general performance and extend the useful life of tergent applications such as those avail- many components.
Page 157: Storage
4. Perform the following steps to protect the en- EBU27264 Storage gine from internal corrosion. a. Remove the spark plug cap and spark Short-term plug. Always store your ATV in a cool, dry place and, if b. Pour a teaspoonful of engine oil into the necessary, protect it against dust with a porous spark plug bore.
Page 158 8. Remove the battery and fully charge it. (See page 8-52.)
Page 159: Specifications
EBU25962 SPECIFICATIONS Dimensions: Cooling system: Liquid cooled Overall length: Valve train: 2070 mm (81.5 in) SOHC Overall width: Number of cylinders: 1250 mm (49.2 in) Single cylinder Overall height: Displacement: 1270 mm (50.0 in) 686 cm³ Seat height: Bore × stroke: 930 mm (36.6 in) 102.0 ×...
Page 160 2.10 L (2.22 US qt, 1.85 Imp.qt) 4.0 L (1.06 US gal, 0.88 Imp.gal) Final gear oil: Throttle body: Type: ID mark: Yamaha Friction Modified Plus Shaft Drive Oil (Part No.: B4F100 ACC-SHAFT-PL-32) or SAE 80 API GL-4 Hypoid gear oil Spark plug (s): Quantity: Manufacturer/model: 0.20 L (0.21 US qt, 0.18 Imp.qt)
Page 161 Drivetrain: Tire air pressure (measured on cold tires): Primary reduction ratio: Vehicle load: 1.000 0.0–240.0 kg (0–530 lb) Secondary reduction ratio: Recommended: 10.142 (41/21 x 17/12 x 20/15 x 33/12) Front: Final drive: 35.0 kPa (0.350 kgf/cm², 5.0 psi) Shaft Rear: Clutch type: 35.0 kPa (0.350 kgf/cm², 5.0 psi)
Page 162 Spring: Handlebar-mounted light: Coil spring T15H, 35.0 W/36.5 W Shock absorber: Brake/tail light: Hydraulic damper Wheel travel: Meter lighting: 193 mm (7.6 in) Rear suspension: Neutral indicator light: Type: High beam indicator light: Double wishbone Spring: Reverse indicator light: Coil spring Shock absorber: Coolant temperature warning light: Hydraulic damper...
Page 163 Headlight fuse: 10.0 A Signaling system fuse: 10.0 A Ignition fuse: 10.0 A Auxiliary DC jack fuse: 10.0 A Fuel injection system fuse: 15.0 A Four-wheel-drive motor fuse: 10.0 A Radiator fan motor fuse: 20.0 A EPS fuse: 40.0 A 10-5...
Page 164: Consumer Information
Yamaha dealer or for reference in case the ATV is stolen. KEY IDENTIFICATION NUMBER: VEHICLE IDENTIFICATION NUMBER: 1.
Page 165 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...
Page 166 1. Vehicle Emission Control Information label 11-3...
Page 167: Noise Regulation
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.
Page 168: Maintenance Record
EBU36900 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...
Page 169: Yamaha Motor Corporation, U.s.a. 2015 And Later Model Atv Limited Warranty
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...
Page 170 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.
Page 171: Yamaha Extended Service (Y.e.s.)
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.
Page 172 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...
Page 173: Index
INDEX Drive select lever ............4-18 Drive select lever and driving in reverse ......6-2 Accessories and loading ..........6-5 Accessories, DC jack ........... 4-28 Air filter element, cleaning ........... 8-37 Engine break-in .............. 6-4 Axle boots ..............8-48 Engine oil ............... 5-3 Engine oil and oil filter cartridge ........
Page 174 Shock absorber assemblies, adjusting the front and rear ................4-25 Label locations ...............1-1 Spark arrester, cleaning ..........8-40 Light switch ..............4-11 Spark plug, checking ........... 8-18 Low-range indicator light ..........4-2 Specifications .............. 10-1 Speed limiter ..............4-16 Main switch ..............4-1 Stabilizer bushes, checking .........
Page 175 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.
Page 176 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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