Yamaha YFM80RX Owner's Manual
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OWNER'S MANUAL
MANUEL DU PROPRIÉTAIRE
MANUAL DEL PROPIETARIO
YFM80RX
This A
5TH-28199-66

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Summary of Contents for Yamaha YFM80RX

  • Page 1 OWNER’S MANUAL MANUEL DU PROPRIÉTAIRE MANUAL DEL PROPIETARIO YFM80RX This A 5TH-28199-66...
  • Page 2 YAMAHA MOTOR CO., LTD. PRINTED IN JAPAN 2007.05-0.3x1 ! (E,F,S)
  • Page 3 OWNER’S MANUAL YFM80RX This A 5TH-28199-66-E0...
  • Page 5 INTRODUCTION EBU17260 Congratulations on your purchase of the Yamaha YFM80RX. This ATV represents the result of many years of Yamaha experience in the production of fine sporting, touring, and pacesetting racing machines. With the purchase of this Yamaha, you can now appreciate the high degree of craftsmanship and reliability that have made Yamaha a leader in these fields.
  • Page 6 Your ATV was delivered with an adjustable speed limiter and also with an air intake restrictor plate. Yamaha recommends that all beginners start off with the speed limiter screw turned in and the air intake restrictor plate installed to limit the amount of speed available while they learn. The limiter screw may be gradually turned out to increase maximum speed as the beginner becomes more familiar with operating the ATV.
  • Page 7 EBU17330 IMPORTANT MANUAL INFORMATION EBU17341 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: The Safety Alert Symbol means ATTENTION! BECOME ALERT! YOUR SAFETY IS INVOLVED! Failure to follow WARNING instructions could result in severe injury WARNING...
  • Page 8 IMPORTANT NOTICE EBU17370 Welcome to the Yamaha world of motor sports! This ATV is designed and manufactured for use on UNPAVED surfaces only. It is unsafe to operate this ATV on any paved surface, paved street, paved road or motorway.
  • Page 9: Table Of Contents

    EBU17420 TABLE OF CONTENTS SAFETY INFORMATION ......1-1 Choke ............4-10 Seat ............4-10 LOCATION OF THE WARNING AND PRE-OPERATION CHECKS ......5-1 SPECIFICATION LABELS ......2-1 Pre-operation check list ......5-1 Fuel ............5-3 DESCRIPTION ..........3-1 Engine oil ........... 5-3 Left view .............
  • Page 10 RIDING YOUR ATV ........7-1 Adjusting the carburetor ......8-18 Adjusting the engine idling speed .... 8-18 GETTING TO KNOW YOUR ATV....7-2 Checking the throttle cable free play ..8-19 RIDE WITH CARE AND GOOD JUDGEMENT ...........7-2 Timing chain ..........8-20 BE CAREFUL WHERE YOU RIDE....
  • Page 11 Storage ............9-2 SPECIFICATIONS ........10-1 CONSUMER INFORMATION ...... 11-1 Identification numbers ......11-1...
  • Page 12: Safety Information

    EBU17430 SAFETY INFORMATION SAFETY INFORMATION EBU17622 Never allow a child under age 16 to operate an 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 13 operating this ATV. speeds and never turn at excessive speeds. 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 14 Avoid crossing the side of a steep hill if possible. reduced stopping ability. Test your brakes after Always use proper procedures if you stall or roll leaving water. If necessary, apply them several backwards when climbing a hill. To avoid stall- times to let friction dry out the linings.
  • Page 15 fire and you could be burned. When transporting the ATV in another vehi- cle, be sure it is kept upright and that the fuel cock is in the “OFF” position. Otherwise, fuel may leak out of the carburetor or fuel tank. Gasoline is poisonous.
  • Page 16: 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 replace- ment label from your Yamaha dealer.
  • Page 17 Voor het gebruik van dit voertuig de handleiding met aandacht lezen. Antes de utilizar este veículo, leia o manual do proprietário. YAMAHA MOTOR CO., LTD. Innan du kör detta fordon, SHIZUOKA JAPAN läs handboken. 5FK-2151H-00...
  • Page 18 For Oceania WARNING WARNING IMPROPER TIRE PRESSURE OR OVERLOADING CAN Improper ATV use can result in SEVERE CAUSE LOSS OF CONTROL. INJURY or DEATH. LOSS OF CONTROL CAN RESULT IN SEVERE UNDER INJURY OR DEATH. OPERATING TIRE PRESSURE: Set with tires cold kPa, { 0.20 kgf/cm } 2.9 psi Recommended : FRONT : 20...
  • Page 19: Description

    EBU17680 DESCRIPTION EBU17690 EBU17700 Left view Right view 1. Choke 1. Spark arrester 2. Fuel cock 2. Seat 3. Rear wheel 3. Brake pedal 4. Footrest 4. Footrest 5. Shift pedal 6. Front wheel...
  • Page 20: Controls And Instruments

    EBU17712 from the figures shown in this manual. Controls and instruments 1. Rear brake lever 2. Parking brake 3. Neutral indicator light 4. Front brake lever 5. Throttle lever 6. Main switch 7. Fuel tank cap 8. Handlebar switches NOTE: The ATV you have purchased may differ slightly...
  • Page 21: Instrument And Control Functions

    EBU17731 INSTRUMENT AND CONTROL FUNCTIONS EBU17740 EBU17781 Main switch Indicator light The positions of the main switch are as follows: All electrical systems are supplied with power, and the engine can be started. The key cannot be re- moved. All electrical systems are off. The key can be re- moved.
  • Page 22: Handlebar Switches

    EBU18061 EBU18090 Handlebar switches Start switch “START” Push this switch to crank the engine with the start- ECB00050 CAUTION: See the starting instructions on page 6-1 prior to starting the engine. EBU18280 Throttle lever Once the engine is running, movement of the throt- tle lever will increase the engine speed.
  • Page 23: Speed Limiter And Air Intake Restrictor Plate

    If the throttle does not work smoothly, 1. Loosen the locknut. check for the cause. Correct the problem be- 2. To increase the maximum engine power avail- fore riding the ATV or consult a Yamaha dealer. able and the maximum speed of the ATV, turn...
  • Page 24: Front Brake Lever

    the adjusting screw in direction (a). To de- EWB00230 WARNING crease the maximum engine power available and the maximum speed of the ATV, turn the Improper adjustment of the speed limiter and adjusting screw in direction (b). throttle could cause throttle cable damage or improper throttle operation.
  • Page 25: Brake Pedal And Rear Brake Lever

    1. Front brake lever 1. Brake pedal EBU18442 Brake pedal and 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. To apply the rear brake, push down on the brake pedal or pull the brake lever toward the handlebar grip.
  • Page 26: Parking Brake

    EBU18460 collision. Parking brake Always be sure you have released the park- Use the parking brake before starting the engine or ing brake before you begin to ride. The brake parking the ATV, especially on a slope. Apply the could overheat if you ride the ATV without re- rear brake lever and push down the lock plate to leasing the parking brake.
  • Page 27: Fuel Tank Cap

    1. Fuel tank cap 1. Shift pedal 2. Neutral position EBU18752 Fuel EBU18720 Fuel tank cap Make sure that there is sufficient fuel in the tank. Remove the fuel tank cap by turning it counter- Fill the fuel tank to the bottom of the filler tube as clockwise.
  • Page 28: Fuel Cock

    of gasoline or higher octane grade. ECB00070 CAUTION: Use only unleaded gasoline. The use of leaded gasoline will cause severe damage to internal engine parts, such as the valves and piston rings, as well as to the exhaust system. EWB00310 WARNING Do not overfill the fuel tank.
  • Page 29 The fuel cock lever positions are explained as fol- lows and shown in the illustrations. FUEL FUEL 1. Arrow mark positioned over “ON” With the fuel cock lever in this position, fuel flows 1. Arrow mark positioned over “OFF” to the carburetor. Turn the fuel cock lever to this position when starting the engine and riding.
  • Page 30: Choke

    Move the choke in direction (b) to turn off the choke. See the “Starting a cold engine” section on page 6-1 for proper operation. FUEL 1. Arrow mark positioned over “RES” This indicates reserve. With the fuel cock lever in this position, the fuel reserve is made available.
  • Page 31 1. Seat lock lever 1. Projection 2. Seat holder To install the seat Insert the projection on the front of the seat into the seat holder and push down on the seat at the rear. NOTE: Make sure that the seat is securely fitted. 4-11...
  • Page 32: Pre-Operation Checks

    Manual. Failure to inspect increases the possibility of an accident or equipment damage. NOTE: The maintenance of some items in the table has to be performed by a Yamaha dealer. Refer to the periodic maintenance charts on page 8-3 to determine which service should be performed by a Yamaha dealer.
  • Page 33 ITEM ROUTINE PAGE Check operation, and correct if necessary. Rear brake Lubricate cable if necessary. 5-3, 8-20, 8-23 Check lever and pedal free play, and adjust if necessary. Make sure that operation is smooth. Lubricate cable and lever hous- Throttle lever ing if necessary.
  • Page 34: Fuel

    If not, have the ATV checked by a Yamaha Be careful not to spill fuel, especially on the dealer.
  • Page 35: Throttle Lever

    DUNLOP/KT587 Check the operation of the throttle lever. It must Size: open smoothly and spring back to the idle position AT18 x 8-7 when released. Have a Yamaha dealer correct if Type: necessary. Tubeless EBU19791 The tires should be set to the recommended...
  • Page 36: Measuring The Tire Pressure

    Rear: 17 kPa (2.5 psi) (0.17 kgf/cm Use no more than the following pressures when seating the tire beads. Maximum tire seating pressure: Front: 250 kPa (36 psi) (2.5 kgf/cm Rear: 250 kPa (36 psi) (2.5 kgf/cm Higher pressures and fast inflation may cause a tire to burst.
  • Page 37: Tire Wear Limit

    Recommended pressure: Front 20 kPa (2.9 psi) (0.20 kgf/cm Rear 20 kPa (2.9 psi) (0.20 kgf/cm Minimum: Front 17 kPa (2.5 psi) (0.17 kgf/cm Rear 17 kPa (2.5 psi) (0.17 kgf/cm 1. Tire wear limit Maximum: Front EBU19840 23 kPa (3.3 psi) (0.23 kgf/cm Chassis fasteners Rear Make sure that all nuts, bolts and screws are prop-...
  • Page 38: Operation

    If there is a control or func- indicator light should come on. If the indicator tion you do not understand, ask your Yamaha light does not come on, have a Yamaha deal- dealer. er check the electrical circuit.
  • Page 39 Position (1): Ambient temp./choke position Cold engine start with ambient temperature be- low 30 °C (90 °F). °C 0° 10° 20° 30° Position (2): °F 30° 50° 70° 90° Warming up position. Position (3): Cold engine start with ambient temperature above 25 °C (80 °F).
  • Page 40: Starting A Warm Engine

    crank the engine more than 10 seconds on each EBU20550 Shifting attempt. This ATV has a 3-speed forward transmission with 7. If the engine is started with the choke in posi- a centrifugal, automatic clutch. The transmission tion (1), the choke should be returned to posi- allows you to control the amount of power you tion (2) to warm up the engine.
  • Page 41 ECB00200 the engine has sufficiently slowed before engaging CAUTION: a lower gear. Improper use of the brakes or shifting can cause the tires to lose traction, reducing con- Always close the throttle before shifting gears, trol and increasing the possibility of an accident. otherwise damage to the engine and drive train EWB00710 may result.
  • Page 42: Engine Break-In

    There is never a more important period in the life of engine break-in period, immediately have a your engine than the first 320 km (200 mi) or 20 Yamaha dealer check the ATV. hours of riding. For this reason, you should read the following material carefully.
  • Page 43: Parking On A Slope

    EBU20840 Parking on a slope EWB00850 WARNING Avoid parking on hills or other inclines. Park- ing on a hill or other incline could cause the ATV to roll out of control, increasing the chance of an accident. If you must park on an incline, place the ATV transversely across the incline, shift into first gear, stop the engine, ap- ply the parking brake, and then block the front...
  • Page 44: Accessories And Loading

    Yamaha accessories. Other accessories judgment as the stability and handling of an ATV may also be available on the market. However, can be changed. When adding accessories, keep it is not possible for Yamaha to test all non-...
  • Page 45 the following points in mind: Allow more braking distance. A heavier ATV Never exceed the weight limits shown. An over- takes longer to stop. loaded ATV can be unstable. Avoid making sharp turns unless at very slow speeds. MAXIMUM LOADING LIMIT Avoid hills and rough terrain.
  • Page 46: Riding Your Atv

    EBU21141 RIDING YOUR ATV...
  • Page 47: Getting To Know Your Atv

    EBU21552 RIDE WITH CARE AND GOOD JUDGEMENT Get training if you are inexperienced. GETTING TO KNOW YOUR ATV Beginners should get training from a certified in- This ATV is for recreation use. This section, Riding structor. your ATV, provides general ATV riding instructions Become familiar with this ATV at slow speeds first, for recreational riding.
  • Page 48 Not recommended for children under 12 years passengers prohibited. of age. EWB01400 WARNING EWB01700 WARNING Never carry a passenger. The long seat is to al- A child under 12 should never operate an ATV low the operator to shift position as needed with engine size greater than 70 cc.
  • Page 49 fits properly. proved motorcycle helmet, eye protection and You should also wear: protective clothing. Operating without an ap- eye protection (goggles or face shield) proved motorcycle helmet increases your gloves chances of a severe head injury or death in the boots event of an accident.
  • Page 50 EWB01420 Use of improper tires on this ATV, or operation WARNING of this ATV with improper or uneven tire pres- sure, may cause loss of control, increasing Never consume alcohol or drugs before or your risk of an accident. while driving this ATV. Do not operate at speeds too fast for your Pre-operation checks skills or the conditions.
  • Page 51 This model also has an air intake restrictor plate to limit the amount of engine power available. Yamaha recommends that all beginning riders start off with the speed limiter turned in and the air intake restrictor plate installed to limit the amount of speed available while they learn.
  • Page 52 EWB01460 WARNING Never exceed the stated load capacity for this ATV. Cargo should be properly distributed and se- curely attached. Reduce speed when carrying cargo or pull- ing a trailer. Allow greater distance for brak- ing. Always follow the instructions in your Own- er’s Manual for carrying cargo or pulling a trailer.
  • Page 53 Do not operate, idle, or park the ATV in dry Never modify this ATV through improper in- grass, dry ground cover, or combustible ma- stallation or use of accessories. All parts and terials. accessories added to this ATV should be gen- uine Yamaha or equivalent components de-...
  • Page 54: Be Careful Where You Ride

    BE CAREFUL WHERE YOU RIDE This ATV is designed for use on unpaved surfaces only. Riding on paved surfaces can cause loss of control. EWB01510 While riding on unpaved public streets or roads WARNING may be legal in your area, such operation can in- Always avoid paved surfaces, including side- crease the risk of collision with other vehicles.
  • Page 55 paved road or motorway. You can collide with ing terrain conditions when operating the ATV. another vehicle. In many areas, it is illegal to operate ATVs on public streets, roads and highways. EWB01540 WARNING Do not operate on excessively rough, slippery Know the terrain where you ride.
  • Page 56 EWB01550 When riding in an area where you might not easily WARNING be seen, such as desert terrain, mount a caution Always mount a caution flag on the ATV to flag on the ATV. DO NOT use the flag pole bracket make you more visible when operating in areas as a trailer hitch.
  • Page 57 these components. With the engine idling, lift the shift pedal to the 1st gear position and then release the parking brake. Apply the throttle slowly and smoothly. The centrif- ugal clutch will engage and you will start to accel- erate. Once the ATV has attained adequate speed, release the throttle and lift the shift pedal to the 2nd gear position.
  • Page 58: Turning Your Atv

    the engine has sufficiently slowed before engaging at faster speeds. Do not turn at speeds too fast a lower gear. Improper use of the brakes or shifting for your skills or the conditions. can cause the tires to lose traction, reducing con- As you approach a curve, slow down and begin to trol and increasing the possibility of an accident.
  • Page 59: Climbing Uphill

    curves. Improper riding procedures such as abrupt throttle changes, excessive braking, incorrect body move- ments, or too much speed for the sharpness of the turn may cause the ATV to tip. If the ATV begins to tip over to the outside while negotiating a turn, lean more to the inside.
  • Page 60 er hills before attempting large hills. 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.
  • Page 61 if possible. to continue up the hill, dismount the ATV on the up- When crossing the side of a hill: hill side. Physically turn the ATV around and then Always follow proper procedures as de- descend the hill. scribed in the Owner’s Manual. If you start to roll backwards, DO NOT apply the Avoid hills with excessively slippery or loose rear brake to stop or try to put the ATV in gear.
  • Page 62: Riding Downhill

    the Owner’s Manual. braking may also cause a loss of traction. Whenever possible, ride your ATV straight down- hill. Avoid sharp angles which could allow the ATV to tip or roll over. Carefully choose your path and ride no faster than you will be able to react to ob- stacles which may appear.
  • Page 63: Crossing A Slope

    slopes, be sure not to make sharp turns either up or down hill. If your ATV does begin to tip over, gradually steer in the downhill direction if there are no obstacles in your path. As you regain proper balance, gradually steer again in the direction you wish to travel.
  • Page 64: Crossing Through Shallow Water

    Owner’s Manual. Remember that wet brakes may have reduced stopping ability. Test your brakes after leaving water. If necessary, apply them several times to let friction dry out the lin- ings. If the ATV is operated through deep or fast flowing water, the tires may float, causing loss of traction and loss of control, which could lead to an accident.
  • Page 65: Riding Over Rough Terrain

    1. Air filter case check hose RIDING OVER ROUGH TERRAIN ECB00240 Riding over rough terrain should be done with cau- CAUTION: tion. Look out for obstacles which could cause After riding your ATV in water, be sure to drain damage to the ATV or could lead to an upset or ac- the trapped water by removing the check hose cident.
  • Page 66: Sliding And Skidding

    you go over obstacles, always follow proper If the rear wheels of your ATV start to slide side- procedures as described in the Owner’s Manu- ways, control can usually be regained (if there is room to do so) by steering in the direction of the slide.
  • Page 67: What To Do If

    EWB01661 If your ATV starts to slide sideways: WARNING Steer in the direction of the slide if you have the room. Applying the brakes or accelerating is not Learn to safely control skidding or sliding by recommended until you have corrected the practicing at low speeds and on level, smooth slide.
  • Page 68 ter drain from the ATV and CHECK YOUR BRAKES FOR PROPER OPERATION when you come out of the water. Do not continue to ride your ATV until you have regained adequate braking ability. (See page 7-19.) 7-23...
  • Page 69: Periodic Maintenance And Minor Repair

    1. Owner’s manual can cause shocks or start fires. Turn off the en- 2. Low-pressure tire gauge gine when performing maintenance unless 3. Owner’s tool kit otherwise specified. Have a Yamaha dealer perform the service if you are not familiar with...
  • Page 70 NOTE: If you do not have the tools or experience required for a particular job, have a Yamaha dealer perform it for you. EWB01850 WARNING Never modify this ATV through improper in-...
  • Page 71: 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 be followed. Items marked with an asterisk should be performed by a Yamaha dealer as they require special tools, data and technical skills.
  • Page 72 INITIAL EVERY month Whichev- CHECK OR MAINTENANCE er comes ITEM 1300 2500 2500 5000 first (mi) (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 73: General Maintenance And Lubrication Chart

    EBU21864 General maintenance and lubrication chart INITIAL EVERY month Whichev- CHECK OR MAINTENANCE ITEM er comes 1300 2500 2500 5000 first (mi) (200) (800) (1600) (1600) (3200) hours Check chain tension. √ √ √ √ Timing chain Adjust if necessary. Every 20–40 hours (more often in wet or Air filter element Clean and replace if necessary.
  • Page 74 √ √ √ √ 16 * Lubricate. cables Check operation and correct if necessary. Throttle lever hous- Check throttle cable free play and have a Yamaha √ √ √ √ √ 17 * ing and cable dealer adjust if necessary.
  • Page 75 EBU23060 NOTE: The air filter needs more frequent service if you are riding in unusually wet or dusty areas.
  • Page 76: Checking The Spark Plug

    If the spark plug shows a distinctly different color, the engine could be operating improperly. Do not 1. Spark plug cap attempt to diagnose such problems yourself. In- stead, have a Yamaha dealer check the ATV. 2. Remove the spark plug as shown, with the...
  • Page 77: Engine Oil

    2. Check the spark plug for electrode erosion 2. Clean the surface of the spark plug gasket and excessive carbon or other deposits, and and its mating surface, and then wipe off any replace it if necessary. grime from the spark plug threads. 3.
  • Page 78 To check the engine oil level check the oil level. 1. Place the ATV on a level surface. 2. Check the engine oil level on a cold engine. NOTE: If the engine was started before checking the oil level, be sure to warm up the engine sufficiently, and then wait at least ten minutes until the oil set- tles for an accurate reading.
  • Page 79 To change the engine oil 1. Place the ATV on a level surface. Tightening torque: 2. Start the engine, warm it up for several min- Engine oil drain bolt: utes, and then turn it off. 20 Nm (2.0 m·kgf, 14.5 ft·lbf) 3.
  • Page 80: Final Gear Oil

    The final gear case must be checked for oil leak- age before each ride. If any leakage is found, have a Yamaha dealer check and repair the ATV. In ad- dition, the final gear oil level must be checked and the oil changed as follows at the intervals specified in the periodic maintenance and lubrication chart.
  • Page 81: Cleaning The Air Filter Element

    To change the final gear oil 5. Add the specified amount of the recommend- 1. Place the ATV on a level surface. ed final gear oil, and then check the oil level. 2. Place an oil pan under the final gear case to Recommended final gear oil: collect the used oil.
  • Page 82 the hose and clean the air filter element and air fil- ter case. 1. Panel 2. Bolt 1. Air filter case check hose 2. Remove the air filter case cover by unhooking the holders. 1. Remove the panel shown by removing the bolts.
  • Page 83 1. Air filter element holder 1. Air filter case cover 2. Sponge material 2. Air filter case holder 4. Wash the sponge material gently but thor- 3. Unhook the holder holding the air filter ele- oughly in solvent. ment, and then pull out the sponge material EWB01940 from the air filter element.
  • Page 84 ECB00440 9. Place the air filter element in the original posi- CAUTION: tion, and then hook the holder. 10. Install the air filter case cover by hooking the Do not twist the sponge material when squeez- holders onto the air filter case. ing it.
  • Page 85: Removing The Air Intake Restrictor Plate

    EBU23850 EBU27630 Removing the air intake restrictor plate Cleaning the spark arrester To obtain full engine performance capability, re- Be sure the exhaust pipe and muffler are cool be- moving the air intake restrictor plate is required. fore cleaning the spark arrester. 1.
  • Page 86: Adjusting The Carburetor

    Therefore, most carburetor adjustments should be left to a Yamaha dealer, who has the necessary profes- sional knowledge and experience. The adjustment described in the following section, however, may be performed by the owner as part of routine main- 1.
  • Page 87: Checking The Throttle Cable Free Play

    (a), and to decrease it, turn the screw in direction (b). NOTE: If the specified idling speed cannot be obtained as described above, have a Yamaha dealer make the adjustment. EBU27071 Checking the throttle cable free play...
  • Page 88: Timing Chain

    To essary, have a Yamaha dealer adjust it. 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- brication chart.
  • Page 89: Adjusting The Front Brake Lever Free Play

    Front brake Rear brake 1. Wear limit mark 1. Wear limit line 2. Wear indicator 2. Wear indicator EBU24330 Adjusting the front brake lever free play The brake lever free play must be checked and, if necessary, adjusted at the intervals specified in the periodic maintenance and lubrication chart.
  • Page 90 12.0 mm (0.39–0.47 in) as shown. If the free play is incorrect, adjust it as follows. 1. Upper locknut 2. Upper adjusting bolt 3. Lower locknut 1. Brake lever free play 4. Lower adjusting bolt 1. Loosen the upper locknut and fully turn in the 4.
  • Page 91: Adjusting The Rear Brake Lever And Brake Pedal Free Play

    Yamaha dealer. EBU24473 Adjusting the rear brake lever and brake pedal free play The brake lever and brake pedal free play must be checked and, if necessary, adjusted at the inter- vals specified in the periodic maintenance and lu- brication chart.
  • Page 92 If the specified free play cannot be obtained, scribed above or if the rear brake does not operate proceed with the following steps. correctly, have a Yamaha dealer check the internal 4. Loosen the locknut at the brake lever. rear brake mechanism.
  • Page 93 (a) to Make sure the brakes do not drag. increase the free play, and in direction (b) to de- Replacement of brake components requires crease it. professional knowledge. These procedures should be performed by a Yamaha dealer. 8-25...
  • Page 94: Adjusting The Clutch Free Play

    If a cable is damaged or does not move smoothly, have a Yamaha dealer check or replace 1. Rubber cap 2. Locknut Recommended lubricant: 3.
  • Page 95: Checking And Lubricating The Front And Rear Brake Levers

    EWB02130 Front brake lever WARNING Inspect cables frequently and replace if dam- aged. Corrosion can result when the cable sheaths become damaged, and cables can also become frayed or kinked, which could re- strict the operation of controls and lead to an accident or injury.
  • Page 96: Checking And Lubricating The Brake And Shift Pedals

    If there is play in a wheel hub or if a wheel does not turn smoothly, 1. Grease nipple have a Yamaha dealer check the wheel hub bear- ings. EBU25100 Lubricating the steering shaft...
  • Page 97: Battery

    Recommended lubricant: Lithium-soap-based grease EBU25121 Battery A poorly maintained battery will corrode and dis- charge quickly. The electrolyte level, battery lead connections and breather hose routing should be checked before each ride and at the intervals specified in the periodic maintenance and lubrica- 1.
  • Page 98 Antidote: EXTERNAL: Flush with water. INTERNAL: Drink large quantities of water or milk. Follow with milk of magnesia, beaten egg or vegetable oil. Call a physician immediately. EYES: Flush with water for 15 minutes and get prompt medical attention. Batteries produce explosive gases. Keep sparks, flame, cigarettes or other sources of ig- nition away.
  • Page 99: Replacing The Fuse

    To install the battery that the frame is exposed to electrolyte or gas expelled from the battery, the frame could suf- NOTE: fer structural and external damages. Be sure the battery is fully charged. 1. Install the battery. EBU25242 Replacing the fuse 2.
  • Page 100: Removing A Wheel

    3. Turn the key to “ON” and turn on the electrical circuits to check if the devices operate. 4. If the fuse immediately blows again, have a Yamaha dealer check the electrical system. EBU25650 Removing a wheel 1. Loosen the wheel nuts.
  • Page 101: Installing A Wheel

    However, should your ATV re- 3. Remove the nuts from the wheel. quire any repair, take it to a Yamaha dealer, whose 4. Remove the wheel. skilled technicians have the necessary tools, expe- rience, and know-how to service the ATV properly.
  • Page 102 EWB02280 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. 8-34...
  • Page 103: Troubleshooting Chart

    Remove the spark plug and check the electrodes. The engine does not start. Have a Yamaha dealer check the ATV. Check the battery. 4. Battery The engine turns over The battery is good.
  • Page 104: Cleaning And Storage

    EBU25860 CLEANING AND STORAGE EBU25880 applications such as those available in coin- Cleaning operated car washers. Frequent, thorough cleaning of your ATV will not 4. Once most of the dirt has been hosed off, only enhance its appearance but will improve its wash all surfaces with warm water and mild, general performance and extend the useful life of detergent-type soap.
  • Page 105: Storage

    linings. ing the drain bolt; this will prevent fuel deposits from building up. Pour the drained fuel into the fuel tank. EBU25932 Storage 4. Fill up the fuel tank and add fuel stabilizer (if available) to prevent the fuel from deteriorat- Short-term ing.
  • Page 106 the spark plug cap. 6. Lubricate all control cables and the pivoting points of all levers and pedals. 7. Check and, if necessary, correct the tire air pressure, and then block up the ATV so that all of its wheels are off the ground. Alternative- ly, turn the wheels a little every month in order to prevent the tires from becoming degraded in one spot.
  • Page 107: Specifications

    EBU25960 SPECIFICATIONS EBU2597A Compression ratio: Dimensions: 9.60 :1 Overall length: Starting system: 1537 mm (60.5 in) Electric starter Overall width: Lubrication system: 841 mm (33.1 in) Wet sump Overall height: Engine oil: 940 mm (37.0 in) Type: Seat height: SAE5W30 or SAE10W30 or SAE10W40 or SAE15W40 669 mm (26.3 in) or SAE20W40 or SAE20W50 Wheelbase:...
  • Page 108 Engine oil quantity: Clutch: Periodic oil change: Clutch type: 0.80 L (0.85 US qt) (0.70 Imp.qt) Wet, multiple-disc automatic Final gear oil: Transmission: Type: Primary reduction system: SAE80 API GL-4 Hypoid gear oil Spur gear Quantity: Primary reduction ratio: 0.12 L (0.13 US qt) (0.11 Imp.qt) 65/20 (3.250) Air filter: Secondary reduction system:...
  • Page 109 Front tire: Maximum: Front: Type: 23 kPa (3.3 psi) (0.23 kgf/cm Tubeless Rear: Size: 23 kPa (3.3 psi) (0.23 kgf/cm AT18 x 7-7 Front wheel: Manufacturer/model: DUNLOP/KT586 Wheel type: Rear tire: Panel wheel Rim size: Type: 7 x 5.5AT Tubeless Rear wheel: Size: AT18 x 8-7...
  • Page 110 Wheel travel: 57 mm (2.3 in) Rear suspension: Type: Swingarm Spring/shock absorber type: Coil spring/oil damper Wheel travel: 56 mm (2.2 in) Electrical system: Ignition system: Charging system: AC magneto Battery: Model: 12N7D-3B Voltage, capacity: 12 V, 7.0 Ah Bulb voltage, wattage x quantity: Neutral indicator light: 12 V, 1.7 W ×...
  • Page 111: Consumer Information

    Yamaha dealer or for ref- erence in case the ATV is stolen. KEY IDENTIFICATION NUMBER: VEHICLE IDENTIFICATION NUMBER: 1.
  • Page 112 EBU26050 Model label 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 deal- 11-2...
  • Page 113 INDEX Engine oil ............... 5-3 Engine, starting a warm ..........6-3 Accessories and loading ..........6-7 Engine stop switch ............4-2 Air filter element, cleaning..........8-13 Air intake restrictor plate, removing......8-17 Final gear oil............5-3 8-12 Front knuckle pivots, lubricating........8-28 Battery..............
  • Page 114 Troubleshooting ............8-33 Troubleshooting chart ..........8-35 Neutral indicator light ............. 4-1 Valve clearance............8-20 Owner’s manual and tool kit........... 8-1 Vehicle identification number ........11-1 Parking ................6-5 Wheel hub bearings, checking ........8-28 Parking brake ..............4-6 Wheel, installing ............8-33 Parking on a slope ............
  • Page 116 YAMAHA MOTOR CO., LTD. PRINTED IN JAPAN PRINTED ON RECYCLED PAPER 2007.05-0.3x1 !

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