Page 1 READ THIS MANUAL CAREFULLY! It contains important safety information. LIRE ATTENTIVEMENT CE MANUEL! Il comprend d’importantes informations de sécurité. ¡LEA ESTE MANUAL ATENTAMENTE! Contiene indicaciones importantes acerca de la seguridad. OWNER’S MANUAL MANUEL DU PROPRIÉTAIRE MANUAL DEL PROPIETARIO YFM70RSBG YFM70RSSG 2LS-F8199-61...
Page 2 Original instructions Notice originale Manual original PRINTED IN USA 2015.04-0.4×1 CR (E,F,S)
Page 3 READ THIS MANUAL CAREFULLY! It contains important safety information. OWNER’S MANUAL YFM70RSBG YFM70RSSG WARNING This ATV should not be ridden by anyone under 16 years of age. 2LS-F8199-61-E0...
Page 4 Read this manual carefully before operating this vehicle. This manual should stay with this ve- hicle if it is sold. EC Declaration of Conformity conforming to Directive 2006/42/EC We, YAMAHA MOTOR CO., LTD. 2500 Shingai, Iwata, Japan, declare in sole responsibility, that the product YFM700R (YFM70RSB) (JY4AM77W0E0500701–) (YFM70RSS) (JY4AM87W0E0500781–)
Page 5 Congratulations on your purchase of the Yamaha YFM70RSBG / YFM70RSSG. This ATV represents the result of many years of Yamaha experience in the production of fine sporting, touring, and pacesetting rac- ing machines. With the purchase of this Yamaha, you can now appreciate the high degree of craftsman- ship and reliability that have made Yamaha a leader in these fields.
Page 6 EBU17331 IMPORTANT MANUAL INFORMATION EBU17343 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 7 Please check your local riding laws and regulations before operating this ATV. EBU17411 YFM70RSBG / YFM70RSSG OWNER’S MANUAL ©2015 by Yamaha Motor Co., Ltd. 1st edition, March 2015 All rights reserved. Any reprinting or unauthorized use without the written permission of Yamaha Motor Co., Ltd.
Page 8: Table Of Contents
Fuel tank cap ..........4-10 SPECIFICATION LABELS ......1-1 Fuel ............4-10 Seat ............4-12 SAFETY INFORMATION ........2-1 Adjusting the front shock absorber assemblies (YFM70RSBG) ..... 4-13 DESCRIPTION..........3-1 Adjusting the front shock absorber Left view............3-1 assemblies (YFM70RSSG) ..... 4-15 Right view............3-2 Adjusting the rear shock absorber Controls and instruments......3-3...
Page 9 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 for the reverse ............6-4 emission control system......8-3 Engine break-in ...........
Page 10 Drive chain slack ........8-38 Storage ............9-2 Lubricating the drive chain......8-40 Checking and lubricating the cables..8-40 SPECIFICATIONS........10-1 Checking and lubricating the brake and clutch levers ..........8-41 CONSUMER INFORMATION....... 11-1 Checking the shift pedal ......8-41 Identification numbers ......11-1 Checking and lubricating the brake pedal ............8-41 INDEX ............
Page 11: Location Of The Warning And Specification Labels
Read and understand all of the labels on your ATV. These labels contain important information for safe and proper operation. 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. For Europe...
Page 12 YFM700R 2015 37.5 kW YAMAHA MOTOR CO., LTD. 192 kg 2500 SHINGAI, IWATA, JAPAN 2LS-F155A-10 1HP-F2259-21 YAMAHA 1HP-F811R-00...
Page 13 YAMAHA 3C2-F816P-00 YAMAHA 1P0-F816R-00 27.5 kPa 27.5 kPa 0.275 kgf/cm² 0.275 kgf/cm² 4.0 psi 4.0 psi 1PE-F816M-M0...
Page 14 Familiarize yourself with the following pictograms and read the explanatory text, then make sure to check the pictograms that apply to your model. Read the Owner’s manual. NEVER use on paved roads. ALWAYS use an approved helmet and NEVER carry passengers. protective gear.
Page 15 This unit contains high-pressure nitrogen Turning 4WD-LOCK gas. (“DIFF.LOCK”) takes more effort. Mishandling can cause an explosion. Do not Operate at a slow speed and allow extra incinerate, puncture or open. time and distance for maneuvers to avoid loss of control. This pictogram shows the loading limits and/or maximum load capacity for this ATV.
Page 16 Year of construction Model Name **** ****** *** kW YAMAHA MOTOR CO., LTD. Max. Power *** kg 2500 SHINGAI, IWATA, JAPAN Mass In Running Order...
Page 17 For Oceania...
Page 18 WARNING UNDER 1HP-F2259-21 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. 1P0-F816L-00...
Page 19 GEAR INJURY or DEATH. NEVER operate : • without proper training or instruction. • at speeds too fast for your skills or the YAMAHA 3C2-F151H-00 conditions. • on public roads-a collision can occur with another vehicle. • with a passenger-passengers affect balance and steering and increase risk of losing control.
Page 20: Safety Information
EBU17432 SAFETY INFORMATION SAFETY INFORMATION  Never allow a child under age 16 to operate an EBU26685 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 21  Never operate at speeds too fast for your skills  Never operate the ATV on hills too steep for the or the riding conditions. Always go at a speed ATV or for your abilities. Practice on smaller hills that is proper for the terrain, visibility, operating before attempting larger hills.
Page 22  Never operate an ATV in fast flowing water or in technique described in this manual on level ground. Avoid crossing the side of a steep hill if water deeper than that recommended in this possible. manual. Remember that wet brakes may have ...
Page 23  Never maintain an ATV without proper knowl- vehicle. If the vehicle is in safe operating con- edge. Contact an authorized ATV dealer to in- dition and you can safely operate it, restart it form you on basic ATV maintenance. Certain and ride gently back to camp or other known maintenance can only be carried out by certified location where you can receive medical at-...
Page 24 While you may find aftermarket products similar in therefore, such accessories are not recom- design and quality to genuine Yamaha accesso- mended. ries, recognize that some aftermarket accessories  Use caution when adding electrical accesso- or modifications are not suitable because of po- ries.
Page 25  Do not run engine outdoors where engine EWB00073 WARNING exhaust can be drawn into a building through Avoid Carbon Monoxide Poisoning openings such as windows and doors. All engine exhaust contains carbon monoxide, a deadly gas. Breathing carbon monoxide can cause headaches, dizziness, drowsiness, nau- sea, confusion, and eventually death.
Page 26: Description
EBU17681 DESCRIPTION EBU17691 9. Rear shock absorber assembly compression damping Left view force adjusting screw (for slow compression damping) (YFM70RSSG) 10.Rear shock absorber assembly spring preload adjusting 11.Shift pedal 12.Engine oil tank drain bolt 1. Engine oil tank filler cap 2.
Page 27: Right View
(for fast compression damping) (YFM70RSSG) 8. Front shock absorber assembly compression damping force adjusting screw (for slow compression damping) (YFM70RSSG) 9. Front shock absorber assembly spring preload adjusting nut (YFM70RSSG) 10.Front shock absorber assembly spring preload adjusting ring (YFM70RSBG)
Page 28: Controls And Instruments
EBU17714 Controls and instruments The ATV you have purchased may differ slightly from the figures shown in this manual. 1. Clutch lever 2. Parking brake lever 3. Main switch 4. Front brake fluid reservoir 5. Brake lever 6. Throttle lever 7.
Page 29: Instrument And Control Functions
EBU17737 INSTRUMENT AND CONTROL FUNCTIONS EBU29912 Main switch The positions of the main switch are as follows: “ ” (on) All electrical systems are supplied with power. The headlights and taillight come on when the light switch is on, and the engine can be started. The key cannot be removed.
Page 30: Indicator Lights And Warning Lights
If the warning light does not come on initially when the key is turned to “ ” (on), or if the warning light remains on, have a Yamaha dealer check the electrical circuit. 1. Fuel level warning light “ ”...
Page 31: Self-Diagnosis Device
ECB01181 NOTICE electrical circuit. To prevent engine damage, be sure to consult EBU29943 a Yamaha dealer as soon as possible if this oc- Engine trouble warning light “ ” curs. This warning light comes on or flashes when an electrical circuit monitoring the engine is not work- ing correctly.
Page 32: Handlebar Switches
EBU18065 EBU18102 Start switch “ ” Handlebar switches Push this switch to crank the engine with the start- er. See the starting instructions on page 6-1 prior to starting the engine. EBU18155 Light switch “ /OFF” Set this switch to “ ”...
Page 33: Speed Limiter
Regulate the speed of the ATV by varying the EBU18324 Speed limiter throttle position. Because the throttle is spring- Your ATV is equipped with an adjustable speed loaded, the ATV will decelerate, and the engine limiter. The speed limiter keeps the throttle from will return to an idle any time the throttle lever is re- fully opening, even when the throttle lever is leased.
Page 34: Clutch Lever
2. Adjusting screw EBU31001 3. No more than 12 mm (0.47 in) Brake lever 3. Tighten the locknut. YFM70RSBG EBU18383 The brake lever is located on the right handlebar. Clutch lever To apply the front brake, pull the brake lever to- The clutch lever is located on the left handlebar ward the handlebar grip.
Page 35: Brake Pedal
1. Brake lever 1. Brake lever 2. Locknut YFM70RSSG 3. Brake lever position adjusting bolt The brake lever is located on the right handlebar. 4. Distance between brake lever and handlebar grip To apply the front brake, pull the brake lever to- EBU18433 ward the handlebar grip.
Page 36: Parking Brake Lever
1. Parking brake lever (locked position) 1. Brake pedal EBU18521 Parking brake lever Use the parking brake before starting the engine or parking the ATV, especially on a slope. To apply the parking brake, move the parking brake lever in direction (a).
Page 37: Shift Pedal
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.
Page 38: Fuel Tank Cap
1. Reverse knob “REV” 1. Fuel tank cap EBU18721 EBU18757 Fuel tank cap Fuel Remove the fuel tank cap by turning it counter- Make sure there is sufficient gasoline in the tank. clockwise. EWB02522 WARNING Gasoline and gasoline vapors are extremely flammable.
Page 39 of sparks, open flames, or other sources of Recommended fuel: ignition such as the pilot lights of water heat- Regular unleaded gasoline only ers and clothes dryers. For Europe: Regular unleaded gasoline only 2. Do not overfill the fuel tank. When refueling, with a research octane number of 95 or be sure to insert the pump nozzle into the fuel higher...
Page 40: Seat
Your Yamaha engine has been designed to use 1. Seat lock lever regular unleaded gasoline with a research octane number of 91 or higher (95 or higher for Europe).
Page 41: Adjusting The Front Shock Absorber Assemblies (Yfm70Rsbg)
Align the appropriate notch in the adjusting ring EBU30853 with the position indicator on the shock absorber. Adjusting the front shock absorber as- semblies (YFM70RSBG) The spring preload can be adjusted to suit the rid- er’s weight and the riding conditions. 4-13...
Page 42 1. Spring preload adjusting ring 1. Special wrench 2. Position indicator Spring preload setting: Minimum (soft): A special wrench can be obtained at a Yamaha dealer to make this adjustment. Standard: Maximum (hard): EWB00411 WARNING These shock absorber assemblies contain highly pressurized nitrogen gas.
Page 43: Adjusting The Front Shock Absorber Assemblies (Yfm70Rssg)
Take the setting. Uneven adjustment can cause poor shock absorber assembly to a Yamaha deal- handling and loss of stability, which could er for any service.
Page 44  A special wrench can be obtained at a Yamaha nism and to modify the specifications as neces- dealer to make this adjustment.
Page 45 Rebound damping force Turn the rebound damping force adjusting screw in direction (a) to increase the rebound damping force and thereby harden the damping, and in di- rection (b) to decrease the rebound damping force and thereby soften the damping. 1.
Page 46 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) Compression damping force 1. Compression damping force adjusting bolt (for fast compression damping) Compression damping force (for fast compres- sion damping)
Page 47 Compression damping force (for slow compres- Compression damping setting (for slow com- sion damping) pression damping): To increase the compression damping force and Minimum (soft): thereby harden the compression damping, turn 18 click(s) in direction (b)* the compression damping force adjusting screw Standard: in direction (a).
Page 48: Adjusting The Rear Shock Absorber Assembly (Yfm70Rsbg)
3. Special wrench the minimum and maximum settings. Adjust the spring preload as follows.  A special wrench can be obtained at a Yamaha 1. Loosen the locknut. 2. Turn the spring preload adjusting nut in direc- dealer to make this adjustment.
Page 49  Do not dispose of a damaged or worn out 1. Distance A shock absorber assembly yourself. Take the shock absorber assembly to a Yamaha deal- 3. Tighten the locknut to the specified torque. er for any service. NOTICE: Always tighten the locknut against the adjusting nut, and then tighten it to the specified torque.
Page 50: Adjusting The Rear Shock Absorber Assembly (Yfm70Rssg)
EBU30991 Adjusting the rear shock absorber as- Although the total number of clicks or turns of a sembly (YFM70RSSG) damping force adjusting mechanism may not ex- This shock absorber assembly is equipped with a actly match the following specifications due to spring preload adjusting nut, a rebound damping small differences in production, the actual number force adjusting screw, with a compression damp-...
Page 51 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.
Page 52 Tightening torque: Rebound damping setting: Locknut: Minimum (soft): 42 Nm (4.2 m·kgf, 30 ft·lbf) 30 click(s) in direction (b)* Standard: 18 click(s) in direction (b)* Rebound damping force Maximum (hard): Turn the rebound damping force adjusting screw 1 click(s) in direction (b)* in direction (a) to increase the rebound damping * With the adjusting screw fully turned in di- force and thereby harden the damping, and in di-...
Page 53 Compression damping force (for slow compres- sion damping) To increase the compression damping force and thereby harden the compression damping, turn the compression damping force adjusting screw in direction (a). To decrease the compression damping force and thereby soften the compres- sion damping, turn the adjusting screw in direction (b).
Page 54  Do not dispose of a damaged or worn out Compression damping setting (for slow com- shock absorber assembly yourself. Take the pression damping): shock absorber assembly to a Yamaha deal- Minimum (soft): er for any service. 18 click(s) in direction (b)*...
Page 55: 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 56 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, 8-29, 8-31, 8-33 • Check brake fluid level in reservoir, and add specified brake fluid to specified level if necessary.
Page 57 ITEM ROUTINE PAGE • Make sure that operation is smooth. Lubricate lever pivoting points Brake and clutch levers 8-41 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...
Page 58: Fuel
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.
Page 59: Throttle Lever
Set tire [EWB02542] when released. Have a Yamaha dealer correct if pressures to the following specifications: necessary. EBU19771 Drive chain Check the condition of the drive chain and check the drive chain slack.
Page 60 Recommended tire pressure: Front 27.5 kPa (0.275 kgf/cm², 4.0 psi) Rear 27.5 kPa (0.275 kgf/cm², 4.0 psi) Minimum tire pressure: Front 24.5 kPa (0.245 kgf/cm², 3.6 psi) Rear 24.5 kPa (0.245 kgf/cm², 3.6 psi) Maximum tire seating pressure: 1. Low-pressure tire gauge Front 250 kPa (2.5 kgf/cm², 36 psi) Tire wear limit...
Page 61: Chassis Fasteners
After extensive tests, only the tires listed below EBU19841 have been approved for this model by Yamaha Chassis fasteners Motor Manufacturing Corporation of America. Make sure that all nuts, bolts and screws are properly tightened.
Page 62: Instruments, Lights And Switches
EBU19851 Instruments, lights and switches Check that all instruments, lights and switches are working properly. Correct if necessary.
Page 63: Operation
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 EBU29953 Starting the engine electrical circuit.
Page 64: Shifting
4. Completely close the throttle lever and start When it stops, it will be in first gear. Raise the ped- the engine by pushing the start switch. al slightly to reach the neutral position, and then release the clutch. If the engine fails to start, release the start switch, then push it again.
Page 65 3. Shift into first gear, and then release the EBU20652 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.
Page 66: Operating The Reverse Knob And Driving In Reverse
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.
Page 67: Engine Break-In
If the indicator light does not come on, polish themselves to the correct operating clear- have a Yamaha dealer check the electrical circuit. ances. During this period, prolonged full-throttle operation or any condition that might result in en- 4.
Page 68: Parking
EBU26762 into first gear, stop the engine, apply the park- Parking ing brake, and then block the front and rear When parking the ATV, shift into first gear, stop wheels with rocks or other objects. the engine, and then apply the parking brake. Never park the ATV on hills that are too steep to walk up easily.
Page 69: Accessories And Loading
An accessory which can shift position and accessories or offer other modifications for or come off while you are riding could affect Yamaha vehicles. Yamaha is not in a position to your ability to control the ATV. test the products that these aftermarket compa- ...
Page 70  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.
Page 71: Riding Your Atv
EBU21142 RIDING YOUR ATV...
Page 72: Getting To Know Your Atv
EBU21619 RIDE WITH CARE AND GOOD JUDGMENT Get training if you are inexperienced. GETTING TO KNOW YOUR ATV EWB01382 This ATV is intended for recreational use by expe- WARNING rienced operators only. This section, Riding your  Do not operate this ATV or allow anyone else ATV, provides general ATV riding instructions for to operate it without proper instruction.
Page 73 the time to learn the basic techniques well before This ATV is designed to carry the operator only attempting more difficult maneuvers. Become fa- – passengers prohibited. miliar with this ATV at slow speeds first, even if you The long seat is to allow the operator to shift posi- are an experienced operator.
Page 74  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 75 fully opening, even when the throttle lever is pushed to the maximum. Turning in the adjusting screw limits the maximum engine power available and decreases the maximum speed of the ATV. Turning in the adjusting screw decreases top speed, and turning it out increases top speed. (See page 4-5.) Pre-operation checks Always inspect your ATV each time you use it to...
Page 76  Do not exceed the maximum loading limits During operation for the vehicle (see “MAXIMUM LOADING Always keep your feet on the footrests during op- LIMIT” below or vehicle labeling). eration; otherwise, they may contact the rear  Make sure the load does not interfere with wheels.
Page 77 ATV should during operation or after leaving the ATV, do not be genuine Yamaha or equivalent components let brush, grass and other materials collect under designed for use on this ATV and should be in- the vehicle, near the muffler or exhaust pipe, or stalled and used according to instructions.
Page 78: Be Careful Where You Ride
after operating in areas where combustible mate- BE CAREFUL WHERE YOU RIDE rials may have collected. Do not idle or park the This ATV is designed for use on unpaved surfaces vehicle in long dry grass or other dry ground cov- only.
Page 79 Watch carefully for other vehicles. Make sure you have enough time to react to hidden rocks, know your country’s laws and regulations before bumps, or holes. Go slowly and be extra care- you ride on unpaved public streets or roads. Do ful when operating on unfamiliar terrain.
Page 80 terrain could cause loss of traction or ATV con- trol, which could result in an accident, includ- ing an overturn. [EWB01542] Do not ride in areas posted “no trespassing”. Do not ride on private property without getting permission. When riding in an area where you might not easily be seen, such as desert terrain, mount a caution flag on the ATV.
Page 81: Turning Your Atv
NOTICE: Do not shift gears without Select a large, flat, unpaved area to become famil- trol. [EWB02632] iar with your ATV. Make sure that this area is free releasing the throttle. Damage to the engine or of obstacles and other riders. You should practice drive train may occur.
Page 82 To achieve maximum traction on unpaved surfac- es, the two rear wheels turn together at the same speed. Therefore, unless the wheel on the inside of the turn is allowed to slip or lose some traction, the ATV will resist turning. A special turning tech- nique must be used to allow the ATV to make turns quickly and easily.
Page 83: Climbing Uphill
 Shift your weight forward. Once you have learned this technique, you should  Never open the throttle suddenly or make be able to perform it at higher speeds or in tighter curves. sudden gear changes. The ATV could flip Improper riding procedures such as abrupt throt- over backwards.
Page 84 Do not attempt to climb hills until you have mas- tered basic maneuvers on flat ground. Always check the terrain carefully before attempting any hill. In all cases avoid inclines with slippery or loose surfaces, or obstacles that might cause you to lose control.
Page 85 It is important when climbing a hill to make sure If you start to roll backwards, DO NOT apply the that your weight is transferred forward on the ATV. rear brake, and apply the front brake gradually. This can be accomplished by leaning forward and, The ATV could easily tip over backwards.
Page 86: Riding Downhill
 Never operate the ATV on hills too steep for the ATV or for your abilities. The ATV can overturn more easily on extremely steep hills than on level surfaces or small hills.  Shift your weight backward and to the up side of the hill.
Page 87: Crossing A Slope
Whenever possible, ride your ATV straight down- CROSSING A SLOPE hill. Avoid sharp angles which could allow the ATV EWB01633 WARNING to tip or roll over. Carefully choose your path and ride no faster than you will be able to react to ob- Improperly crossing hills or turning on hills stacles which may appear.
Page 88: Crossing Through Shallow Water
As you travel across a slope, lean your body in the CROSSING THROUGH SHALLOW WATER uphill direction. It may be necessary to correct the EWB01642 WARNING steering when riding on loose surfaces by pointing the front wheels slightly uphill. When riding on Operating this vehicle through deep or fast- slopes, be sure not to make sharp turns either up flowing water can lead to loss of control or an...
Page 89 After riding your ATV in water, be sure to drain the Test your brakes after leaving the water. If neces- trapped water by removing the check hose at the sary, apply them several times to let friction dry bottom of the air filter case. NOTICE: Undrained out the linings.
Page 90: Riding Over Rough Terrain
accident. Be sure to keep your feet firmly mounted on the footrests at all times. Avoid jumping the ATV as loss of control and damage to the ATV may result. SLIDING AND SKIDDING EWB01663 WARNING Skidding or sliding improperly may cause you to lose control of this ATV.
Page 91: What To Do If
To reduce the tendency for the front wheels to slide in loose or slippery conditions, positioning your weight over the front wheels will sometimes help. With practice, over a period of time, skill at con- trolled sliding can be developed. The terrain should be chosen carefully before attempting such maneuvers, since both stability and control If the rear wheels of your ATV start to slide side-...
Page 92: What To Do
 If your ATV is traversing a sloping surface: WHAT TO DO...  If your ATV doesn’t turn when you want it to: Be sure to ride with your weight positioned to- Bring the ATV to a stop and practice the turning wards the uphill side of the ATV to maintain maneuvers again.
Page 93: 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 94: Owner's Manual And Tool Kit
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.
Page 95: Periodic Maintenance Chart For The Emission Control System
However, keep in mind that if the ATV isn’t used for a long period of time, the month maintenance intervals should still be followed.  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 (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.
Page 97: General Maintenance And Lubrication Chart
However, keep in mind that if the ATV isn’t used for a long period of time, the month maintenance intervals should still be followed.  Items marked with an asterisk should be performed by a Yamaha dealer as they require special tools, data and technical skills.
Page 98 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 •...
Page 99 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 √...
Page 100 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 •...
Page 101  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 102: Removing And Installing The Panel
EBU23081 Removing and installing the panel The panel shown needs to be removed to perform some of the maintenance jobs described in this chapter. Refer to this section each time the panel needs to be removed and installed. 1. Panel A 2.
Page 103 (the ideal color when the ATV tool kit. is ridden normally). If the spark plug shows a distinctly different color, the engine could be operating improperly. Do not attempt to diagnose such problems yourself. In- stead, have a Yamaha dealer check the ATV. 8-11...
Page 104 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.
Page 105: Engine Oil And Oil Filter Element
EBU26788 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.
Page 106 Be sure the engine oil is at the correct lev- el, otherwise engine damage may result. [ECB00852] When adding oil, be careful not to overfill the en- gine oil tank; the oil level rises faster starting from the half-level-portion on the dipstick. 6.
Page 107 5. Remove the engine oil tank filler cap, and then remove the engine oil tank drain bolt and its gasket. 1. Oil filter element cover 2. Bolt 7. Remove the oil filter element and the O-rings. 1. Engine oil tank drain bolt 2.
Page 108 10. Install the crankcase engine oil drain bolt, the engine oil tank drain bolt and their new gas- ket, and then tighten the bolts to the specified torques. Tightening torques: Crankcase engine oil drain bolt: 23 Nm (2.3 m·kgf, 17 ft·lbf) Engine oil tank drain bolt: 19 Nm (1.9 m·kgf, 14 ft·lbf) 11.
Page 109: Coolant
14. Remove the engine oil tank filler cap, and a higher quality than specified. In addition, then gradually fill the oil tank with the remain- do not use oils labeled “ENERGY CONSERV- ing oil quantity while regularly checking the oil ING II”...
Page 110 If water has been added to the coolant, have 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 111 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.
Page 112 5. Remove the coolant reservoir cap. 6. Disconnect the coolant reservoir hose on the coolant reservoir side, and then drain the coolant from the coolant reservoir. 1. Coolant drain bolt 2. Gasket 4. Remove the radiator cap. 1. Coolant reservoir cap 2.
Page 113: Cleaning The Air Filter Element
Do not use hard water or salt water since they are harmful If any leakage is found, have a Yamaha dealer to the engine. [ECB00992] check the cooling system.
Page 114 1. Air filter case check hose 1. Air filter case cover 2. Air filter case cover holder 1. Place the ATV on a level surface. 2. Remove the seat. (See page 4-12.) 4. Fully loosen the wing bolt. 3. Remove the air filter case cover by unhooking 5.
Page 115 1. Air filter element 1. Sponge material 2. Washer 2. Air filter element frame 3. Wing bolt 8. Wash the sponge material gently but thor- 6. Remove the wing bolt and washer from the air oughly in solvent. WARNING! Always use filter element.
Page 116 10. Check the sponge material and replace it if damaged. 14. Install the washer onto the air filter element 11. Apply Yamaha foam air filter oil or other qual- frame, and then insert the wing bolt into the hole in the air filter element frame. NOTICE: ity foam air filter oil to the sponge material.
Page 117: Cleaning The Spark Arrester
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.
Page 118 1. Tailpipe cover 1. Bolt 2. Bolt 2. Retainer 3. Tailpipe 2. Remove the retainer by removing the bolts, 4. Gasket and then remove the tailpipe and gasket from 3. Tap the tailpipe lightly, and then use a wire the muffler. brush to remove any carbon deposits from the spark arrester portion of the tailpipe and inside of the tailpipe housing.
Page 119: Adjusting The Engine Idling Speed
Tightening torque: Tailpipe cover bolt: 8 Nm (0.8 m·kgf, 5.8 ft·lbf) EWB02341 WARNING Do not start the engine when cleaning the spark arrester, otherwise it could cause injury to the eyes, burns, carbon monoxide poison- ing, possibly leading to death, and start a fire. Always let the exhaust system cool prior to 1.
Page 120: Adjusting The Throttle Lever Free Play
If the specified idling speed cannot be obtained as idle adjusting screw. To increase the engine described above, have a Yamaha dealer make the idling speed, turn the idle adjusting screw in adjustment.
Page 121: Valve Clearance
The front and rear brake pads must be checked prevent this from occurring, the valve clearance for wear at the intervals specified in the periodic must be adjusted by a Yamaha dealer at the inter- maintenance and lubrication chart. vals specified in the periodic maintenance and lu- brication chart.
Page 122 If a brake pad has worn to the point that the wear indicator grooves have almost dis- that the wear indicator grooves have almost dis- appeared, have a Yamaha dealer replace the appeared, have a Yamaha dealer replace the brake pads as a set.
Page 123: Checking The Brake Fluid Level
Check the brake fluid lev- el with the top of the reservoir level. Replenish the brake fluid if necessary. Front brake (YFM70RSBG) 1. Minimum level mark Rear brake 1. Minimum level mark 1. Minimum level mark...
Page 124 To check the rear brake fluid level, remove the seat. (See page 4-12.) To access the rear brake fluid reservoir for replen- ishing: 1. Remove the bolt and quick fastener screw. 1. Cowling 2. Brake fluid reservoir cap 3. After replenishing, place the cowling in the original position, and then install the bolt and quick fastener screw.
Page 125: Changing The Brake Fluid
If the brake fluid level goes down sud- mance. denly, have a Yamaha dealer check the cause be-  Clean the filler cap before removing. Use fore further riding. only DOT 4 brake fluid from a sealed contain-...
Page 126: Checking The Brake Pedal Height
Cable length “A” should measure 47–51 mm 15.3 mm (0.60 in) below the top of the footrest as (1.85–2.01 in). Adjust the parking brake free play shown. If the brake pedal is not positioned as as follows. specified, have a Yamaha dealer adjust it. 8-34...
Page 127 If the cable length cannot be adjusted to specifi- 2. Fully loosen the locknut and the adjusting bolt cation, consult a Yamaha dealer. at the rear brake caliper. 3. Slide the rubber cover back at the brake ca- 6.
Page 128: Brake Light Switches
The brake light switch for the brake pedal can be that it does not turn together with the lock- adjusted as follows, but the front brake light nut. switch should be adjusted by a Yamaha dealer. [ECB00522] Turn the rear brake light switch adjusting nut while Tightening torque: holding the brake light switch in place.
Page 129 The clutch lever free play should measure 8.0– 13.0 mm (0.31–0.51 in) as shown. If the free play is If the specified clutch lever free play could be ob- incorrect, adjust it as follows. tained as described above, skip steps 4–7. 4.
Page 130: Drive Chain Slack
25.0–35.0 mm (0.98–1.38 in) sition. 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. EBU26865 Drive chain slack The drive chain slack should be checked before each ride and adjusted if necessary.
Page 131 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.
Page 132: Lubricating The Drive Chain
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-...
Page 133: Checking And Lubricating The Brake And Clutch Levers
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.
Page 134: Checking The Wheel Hub Bearings
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...
Page 135: Lubricating The Rear Suspension Relay Arm And Connecting Arm Pivoting Points
EBU25005 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. For parts equipped with a grease nipple, use a grease gun.
Page 136: Lubricating The Upper And Lower Arm Pivots
Left side 1. Grease nipple 1. Upper grease nipple 2. Lower grease nipple EBU25034 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. For parts equipped with a grease nipple, use a grease gun.
Page 137: Lubricating The Steering Shaft
Antidote: The steering shaft must be lubricated by a EXTERNAL: Flush with water. Yamaha dealer at the intervals specified in the pe- INTERNAL: Drink large quantities of water or riodic maintenance and lubrication chart. milk. Follow with milk of magnesia, beaten egg or vegetable oil.
Page 138 KEEP OUT OF REACH OF CHILDREN. 3. Disconnect the negative battery lead first, then the positive battery lead by removing ECB00621 their bolt. NOTICE: When removing the bat- NOTICE tery, the main switch must be off, and the Never attempt to remove the battery cell seals, negative lead must be disconnected be- as this would permanently damage the battery.
Page 139 To charge the battery To install the battery Have a Yamaha dealer charge the battery as soon as possible if it seems to have discharged. Keep Be sure the battery is fully charged. in mind that the battery tends to discharge more quickly if the ATV is equipped with optional elec- 1.
Page 140: Replacing A Fuse
1. Battery holding plate 1. Main fuse 2. Battery box 2. Spare main fuse 4. Install the battery holding plate with the bat- tery cover by installing the bolts and the quick fastener screws. 5. Install the seat. (See page 4-12.) EBU34660 Replacing a fuse The main fuse and the fuse box are located under...
Page 141 ” (on) and turn on the elec- the main switch when checking or replacing a trical circuits to check if the devices operate. fuse. 4. If the fuse immediately blows again, have a Yamaha dealer check the electrical system. 8-49...
Page 142: Replacing A Headlight Bulb
EBU30163 Replacing a headlight bulb If a headlight bulb burns out, replace it as follows. 1. Remove the headlight unit by removing the bolt and pulling the headlight unit outward as shown. 1. Headlight bulb holder cover 3. Remove the headlight bulb holder by pushing it in and turning it counterclockwise, and then remove the burnt-out bulb.
Page 143: Adjusting A Headlight Beam
8. Adjust the headlight beam if necessary. off any dirt and fingerprints on the head- light bulb using a cloth moistened with al- EBU25562 Adjusting a headlight beam cohol or thinner. [ECB00652] ECB00691 NOTICE It is advisable to have a Yamaha dealer make this adjustment. 8-51...
Page 144: Tail/Brake Light
1. Place the ATV on a level surface. If the tail/brake light does not come on, have a 2. Install the wheel and the nuts. Yamaha dealer check it. EBU25652 Removing a wheel 1. Place the ATV on a level surface.
Page 145: Troubleshooting
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.
Page 146: 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 147 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.
Page 148: Cleaning And Storage
EBU25861 CLEANING AND STORAGE EBU25903 ter pressure may cause water seepage 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.
Page 149: Storage
abrasives which may mar the paint or protec- Specified amount: tive finish. When finished cleaning, start the 7.5 ml of stabilizer to each liter of fuel (or 1 engine and let it idle for several minutes. oz of stabilizer to each gallon of fuel) EBU27262 3.
Page 150 tively, turn the wheels a little every month in order to prevent the tires from becoming de- graded in one spot. 6. Cover the muffler outlet with a plastic bag to prevent moisture from entering it. 7. Remove the battery and fully charge it. Store it in a cool, dry place and charge it once a month.
Page 151: Specifications
EBU25962 SPECIFICATIONS Dimensions: Uncertainty of measurement: 3.0 dB(A) (YFM70RSBG_EUR/FRA/GBR, Overall length: YFM70RSSG_EUR/FRA/GBR) 1845 mm (72.6 in) Vibration on seat (EN1032, ISO5008): Overall width: 0.7 m/s² (YFM70RSBG_EUR/FRA/GBR, 1155 mm (45.5 in) YFM70RSSG_EUR/FRA/GBR) Overall height: Uncertainty of measurement: 1115 mm (43.9 in) 0.6 m/s²...
Page 152 Lubrication system: Radiator (including all routes): Dry sump 1.68 L (1.78 US qt, 1.48 Imp.qt) Engine oil: Air filter: Recommended brand: Air filter element: YAMALUBE Wet element Type: Fuel: SAE 5W-30, 10W-30, 10W-40, 15W-40, 20W-40 or 20W- Recommended fuel: Regular unleaded gasoline only Fuel tank capacity: 130 ˚F 11.0 L (2.90 US gal, 2.42 Imp.gal)
Page 153 Transmission type: Rear tire: Constant mesh 5-speed.forward, 1-speed.reverse Type: Operation: Tubeless Left foot operation Size: Gear ratio: AT20 x 10-9 1st: Manufacturer/model: 38/13 (2.923) MAXXIS/M976Y Bias 2nd: Loading: 28/14 (2.000) Maximum loading limit: 3rd: 100.0 kg (220 lb) 25/17 (1.471) (Total weight of rider, cargo, accessories, and tongue) 4th: Tire air pressure (measured on cold tires):...
Page 154 Rim size: Electrical system: 9 x 8.0AT Ignition system: Front brake: Type: Charging system: Disc brake AC magneto Operation: Battery: Right hand operation Model: Specified brake fluid: GT9B-4 DOT 4 Voltage, capacity: Rear brake: 12 V, 8.0 Ah Headlight: Type: Disc brake Bulb type: Operation:...
Page 155 Fuel injection system fuse: 10.0 A Headlight fuse: 10.0 A Signaling system fuse: 10.0 A Ignition fuse: 10.0 A Radiator fan motor fuse: 20.0 A EBU30402 For Europe only The figures quoted are emission levels and are not necessarily safe working levels. Whilst there is a correlation between the emission and exposure levels, this cannot be used reliably to determine whether or not further precautions are required.
Page 156: Consumer Information
Record the vehicle identification number and model label information in the spaces provided below for assistance when ordering spare parts from a Yamaha dealer or for reference in case the ATV is stolen. VEHICLE IDENTIFICATION NUMBER: 1. Vehicle identification number...
Page 157 1. Model label 11-2...
Page 158: Index
INDEX Accessories and loading ..........6-7 Engine break-in .............. 6-5 Air filter element, cleaning ..........8-21 Engine idling speed ............8-27 Engine oil ............... 5-4 Engine oil and oil filter element ........8-13 Battery ................8-45 Engine, start ..............6-1 Brake and clutch levers, checking and lubricating ..8-41 Engine stop switch ............
Page 159 Vehicle identification number ........11-1 Shift pedal, checking ........... 8-41 Shock absorber assemblies, adjusting the front Wheel hub bearings, checking ........8-42 (YFM70RSBG) ............4-13 Wheel, installing ............8-52 Shock absorber assemblies, adjusting the front Wheel, removing ............8-52 (YFM70RSSG) ............4-15 Shock absorber assembly, adjusting the rear (YFM70RSBG) ............
Page 160 EBU26173 WARNING Improper ATV use can result in SEVERE INJURY or DEATH. ALWAYS USE NEVER USE NEVER CARRY NEVER USE AN APPROVED ON PAVED PASSENGERS WITH DRUGS OR ALCOHOL HELMET AND ROADS PROTECTIVE GEAR NEVER ALWAYS operate: • without proper training or instruction. •...

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