1. DL manuals
  2. Yamaha
  3. Offroad Vehicle
  4. YFM50RY
  5. Owner's Manual

Yamaha YFM50RY Owner's Manual - Yfm50Ry

Summary of YFM50RY

  • Page 1

    This a manual del propietario 5yf-28199-65 yfm50ry manuel du propriÉtaire owner’s manual 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 importa...

  • Page 2

    Printed in japan 2008.05-0.2x2 ! (e,f,s) yamaha motor co., ltd..

  • Page 3: Yfm50Ry

    This a 5yf-28199-65-e0 yfm50ry owner’s manual read this manual carefully! It contains important safety information..

  • Page 4

    Ebu29090 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 98/37/ec (make, model) to which this declaration applies, conforms to the essential health and safety requirements of dir...

  • Page 5

    Ebu17170 introduction ebu17200 congratulations on your purchase of the yamaha yfm50ry. 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 deg...

  • Page 6

    Your atv was delivered with an adjustable speed limiter. Yamaha recommends that all beginners start off with the speed limiter screw turned in to limit the amount of speed available while they learn. The speed limiter screw may be gradually turned out to increase maximum speed as the beginner become...

  • Page 7

    Ebu17330 important manual information ebu17342 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: * product and specifications are subject to change without no...

  • Page 8

    Ebu17350 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. Please check your local riding laws and regulations bef...

  • Page 9

    Ebu17420 table of contents safety information .............................. 1-1 location of the warning and specification labels ............................ 2-1 description .............................................. 3-1 left view ..................................................... 3-1 right ...

  • Page 10

    Riding your atv ...................................... 7-1 getting to know your atv.............. 7-2 ride with care and good judgement ...........................................7-2 be careful where you ride ............ 7-9 turning your atv ............................. 7-12 climbing uphill .........

  • Page 11

    1-1 1 2 3 4 5 6 7 8 9 10 11 ebu17430 safety information safety information ebu17652 an atv is not a toy and can be hazard- ous to operate. An atv handles differently from other vehicles, in- cluding motorcycles and cars. A collision or roll- over can occur quickly, even during routine maneuvers such...

  • Page 12

    1-2 1 2 3 4 5 6 7 8 9 10 11 jacket, and long pants. ● never consume alcohol or drugs before or while operating this atv. ● never operate at speeds too fast for your skills or the riding conditions. Always go at a speed that is proper for the terrain, visibility, operating conditions, and your experi...

  • Page 13

    1-3 1 2 3 4 5 6 7 8 9 10 11 any hill until you have mastered the turning tech- nique described in this manual on level ground. Avoid crossing the side of a steep hill if possible. ● always use proper procedures if you stall or roll backwards when climbing a hill. If you stall or roll backwards, foll...

  • Page 14

    1-4 1 2 3 4 5 6 7 8 9 10 11 if the child rides beyond his or her abilities, or rides in terrain that is too difficult, he or she may lose control of the atv, causing an acci- dent. Introduce new riding areas slowly and make sure the riding area matches your child’s skill level. You must make the com...

  • Page 15

    1-5 1 2 3 4 5 6 7 8 9 10 11 walk behind the vehicle. Engine stop switch cord this model has an engine stop switch cord (lan- yard) designed for use by an adult supervising the child operating the atv. When using the engine stop switch cord, be sure the speed limiter on the handlebar is adjusted to l...

  • Page 16

    1-6 1 2 3 4 5 6 7 8 9 10 11 vapor, or get some gasoline in your eyes, seek medical help immediately. If gasoline spills on your skin, wash with soap and wa- ter. If gasoline spills on your clothing, change your clothes. Warning ewb00070 always operate your atv in an area with ade- quate ventilation....

  • Page 17

    2-1 1 2 3 4 5 6 7 8 9 10 11 ebu17660 location of the warning and specification labels 1 5 4 3 2.

  • Page 18

    2-2 1 2 3 4 5 6 7 8 9 10 11 ebu17670 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 d...

  • Page 19

    2-3 1 2 3 4 5 6 7 8 9 10 11 p 4gb-2155a-00 5fk-2151h-00 6 5yf-21697-20 warning under 6 operating this atv if you are under the age of 6 increases your chance of severe injury or death. Never permit children under age 6 to operate this atv. Adult supervision required for children under age 16. Warnin...

  • Page 20

    2-4 1 2 3 4 5 6 7 8 9 10 11 for oceania 4 for europe ( ) ( ( ( ) ) ) 4 gb d e f i nl p s set with tires cold. Bei kalten reifen. Ajuste con los neumáticos en frío. Pneus à froid. Impostare a pneumatici freddi. Wanneer de banden koud zijn. Regular com pneus frios. Ställ in med kalla däck. 20 kpa 0.20...

  • Page 21

    2-5 1 2 3 4 5 6 7 8 9 10 11 gb d e f i nl p s before you operate this vehicle, read the owner’s manual. Lesen sie die bedienungsanleitung bevor sie dieses fahrzeug fahren. Antes de conducir este vehículo, lea el manual del propietario. Lire le manuel du propriétaire avant d’utiliser ce véhicule. Pri...

  • Page 22

    3-1 1 2 3 4 5 6 7 8 9 10 11 ebu17680 description ebu17690 left view ebu17700 right view 1. Fuel cock 2. Fuse 3. Engine stop switch with cord (lanyard) 4. Footboard 5. Drive select lever 1 3 4 5 2 1. Spark arrester 2. Seat 3. Footboard 1 2 3.

  • Page 23

    3-2 1 2 3 4 5 6 7 8 9 10 11 ebu17712 controls and instruments tip the atv you have purchased may differ slightly from the figures shown in this manual. 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 ...

  • Page 24

    4-1 1 2 3 4 5 6 7 8 9 10 11 ebu17732 instrument and control functions ebu17740 main switch the positions of the main switch are as follows: on all electrical systems are supplied with power, and the engine can be started. The key cannot be re- moved. Off all electrical systems are off. The key can b...

  • Page 25

    4-2 1 2 3 4 5 6 7 8 9 10 11 ebu18061 handlebar switches ebu18070 engine stop switch “eng. Stop” set this switch to “run” before starting the engine. The engine stop switch controls the ignition and stops the engine when it is running. Use this switch to stop the engine in an emergency situation. The...

  • Page 26

    4-3 1 2 3 4 5 6 7 8 9 10 11 the lanyard should be held by putting your fingers in the loop as shown. Should the atv be separated from the parent by a distance longer than the lanyard length, the lan- yard will pull out the clip and stop the engine. 1. Engine stop switch 2. Clip 3. Lanyard 3 1 2 1. L...

  • Page 27

    4-4 1 2 3 4 5 6 7 8 9 10 11 for further explanation of this switch and the lan- yard, see “teaching your child to oper- ate the atv” in the “safety information” section. Tip ● the engine cannot be started with the clip re- moved. ● when your child has developed sufficient skill to no longer need you...

  • Page 28

    4-5 1 2 3 4 5 6 7 8 9 10 11 warning ewb00250 malfunction of the throttle could make it diffi- cult to speed up or slow down when you need to. This could cause an accident. Check the op- eration of the throttle lever before you start the engine. If the throttle does not work smoothly, check for the c...

  • Page 29

    4-6 1 2 3 4 5 6 7 8 9 10 11 mm (0.47 in) or the throttle cable could be dam- aged. Ebu18391 front brake lever the front brake lever is located on the right handle- bar. To apply the front brake, pull the brake lever toward the handlebar grip. Ebu18401 rear brake lever the rear brake lever is located...

  • Page 30

    4-7 1 2 3 4 5 6 7 8 9 10 11 warning ewb00220 ● 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 ...

  • Page 31

    4-8 1 2 3 4 5 6 7 8 9 10 11 ebu18752 fuel make sure that there is sufficient fuel in the tank. Fill the fuel tank to the bottom of the filler tube as shown. Tip if knocking or pinging occurs, use a different brand 1. Fuel tank cap 1 1. Fuel level 2. Filler tube recommended fuel: unleaded gasoline on...

  • Page 32

    4-9 1 2 3 4 5 6 7 8 9 10 11 of gasoline or higher octane grade. Notice ecb00070 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. Warning ewb00310 ● do not overfill the fuel...

  • Page 33

    4-10 1 2 3 4 5 6 7 8 9 10 11 on with the fuel cock lever in this position, fuel flows to the carburetor. Turn the fuel cock lever to this position when starting the engine and riding. Res this indicates reserve. With the fuel cock lever in this position, the fuel reserve is made available. Turn the ...

  • Page 34

    4-11 1 2 3 4 5 6 7 8 9 10 11 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. Ebu18870 seat to remove the seat pull the seat lock lever upward and pull up the seat at the rear. To install the seat insert the projection ...

  • Page 35

    4-12 1 2 3 4 5 6 7 8 9 10 11 1. Projection 2. Seat holder 1 2.

  • Page 36

    5-1 1 2 3 4 5 6 7 8 9 10 11 ebu19200 pre-operation checks ebu19222 pre-operation check list before operating this atv, be sure to check the items listed in the following table. Warning ewb00480 always inspect your atv each time you use it to make sure it is in safe operating condition. Always follow...

  • Page 37

    5-2 1 2 3 4 5 6 7 8 9 10 11 rear brake ● check operation, and correct if necessary. ● lubricate cable if necessary. ● check lever free play, and adjust if necessary. 5-3, 8-20, 8-23 throttle lever ● make sure that operation is smooth. Lubricate cable and lever hous- ing if necessary. ● check cable f...

  • Page 38

    5-3 1 2 3 4 5 6 7 8 9 10 11 ebu19540 fuel make sure that there is sufficient fuel in the tank. (see page 4-8.) warning ewb00520 ● do not overfill the fuel tank. Fuel expands when it heats up. If the fuel tank is overfilled, fuel could spill out due to heat from the en- gine or the sun. ● be careful ...

  • Page 39

    5-4 1 2 3 4 5 6 7 8 9 10 11 ebu19761 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. Ebu19792 tires warning ewb00602 use of improper tires on this atv, or operation of this ...

  • Page 40

    5-5 1 2 3 4 5 6 7 8 9 10 11 ● use no more than the following pressures when seating the tire beads. Maximum tire seating pressure: front: 250 kpa (2.5 kgf/cm 2 , 36 psi) rear: 250 kpa (2.5 kgf/cm 2 , 36 psi) higher pressures and fast inflation may cause a tire to burst. Inflate the tires very slowly...

  • Page 41

    5-6 1 2 3 4 5 6 7 8 9 10 11 ebu19830 tire wear limit replace the tire when the tire groove decreases to 3 mm (0.12 in). Ebu19840 chassis fasteners make sure that all nuts, bolts and screws are prop- erly tightened. Ebu19850 instruments, lights and switches check that all instruments, lights and swit...

  • Page 42

    6-1 1 2 3 4 5 6 7 8 9 10 11 ebu19880 operation ebu19900 read the owner’s manual carefully before riding the atv. Warning ewb00630 read the owner’s manual carefully to become familiar with all controls in order to help pre- vent any loss of control, which could cause an accident or injury. If there i...

  • Page 43

    6-2 1 2 3 4 5 6 7 8 9 10 11 5. Use the choke in reference to the figure: position (1): ● cold engine start with ambient temperature be- low 30 °c (90 °f). Position (2): ● warming up position. Position (3): ● cold engine start with ambient temperature above 25 °c (80 °f). Ambient temp./choke position...

  • Page 44

    6-3 1 2 3 4 5 6 7 8 9 10 11 crank the engine more than 10 seconds on each attempt. 7. If the engine is started with the choke in posi- tion (1), the choke should be returned to posi- tion (2) to warm up the engine. If the engine is started with the choke in position (2), keep the choke in this posit...

  • Page 45

    6-4 1 2 3 4 5 6 7 8 9 10 11 tip before shifting the transmission into drive, be sure to apply the parking brake. The engine will stop if you attempt to shift into drive without applying the parking brake first. 4. Squeeze the rear brake lever to release the parking brake. 5. Gradually open the throt...

  • Page 46

    6-5 1 2 3 4 5 6 7 8 9 10 11 ebu20682 engine break-in tip ● for atvs equipped with an odometer or an hour meter, follow the figures given in km (mi) or the figures given in hours. ● for atvs not equipped with an odometer or hour meter, follow the figures given in hours. There is never a more importan...

  • Page 47

    6-6 1 2 3 4 5 6 7 8 9 10 11 ebu20800 parking on a slope warning ewb00880 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 ...

  • Page 48

    6-7 1 2 3 4 5 6 7 8 9 10 11 ebu20910 accessories and loading ebu20920 accessories accessories can affect the handling and control of your atv. Keep the following in mind when consid- ering an accessory or operating an atv which has accessories. ● choose only accessories designed for your atv. Your y...

  • Page 49

    6-8 1 2 3 4 5 6 7 8 9 10 11 the following points in mind: ● never exceed the weight limits shown. An over- loaded atv can be unstable. ● if you are carrying cargo and towing a trailer, in- clude the tongue weight in the maximum atv load limit. ● load cargo on the carriers as close to the center of t...

  • Page 50

    7-1 1 2 3 4 5 6 7 8 9 10 11 ebu21141 riding your atv.

  • Page 51

    7-2 1 2 3 4 5 6 7 8 9 10 11 ebu21523 getting to know your atv this atv is for recreation use. This section, riding your atv, provides general atv riding instructions for recreational riding. The skills and techniques described in this section, however, are appropriate for all types of riding. Riding...

  • Page 52

    7-3 1 2 3 4 5 6 7 8 9 10 11 not recommended for children under 6 years of age. Warning ewb01750 a child under 6 should never operate an atv with engine size greater than 50 cc. Use by chil- dren of atvs that are not recommended for their age can lead to severe injury or death of the child. This atv ...

  • Page 53

    7-4 1 2 3 4 5 6 7 8 9 10 11 apparel always wear an approved motorcycle helmet that fits properly. You should also wear: ● eye protection (goggles or face shield) ● gloves ● boots ● long-sleeved shirt or jacket ● long pants warning ewb01410 never operate this atv without wearing an ap- proved motorcy...

  • Page 54

    7-5 1 2 3 4 5 6 7 8 9 10 11 warning ewb01420 never consume alcohol or drugs before or while driving this atv. Pre-operation checks always perform the pre-operation checks listed on page 5-1 before riding for proper care of the atv and to ensure safety. Warning ewb01430 always inspect your atv each t...

  • Page 55

    7-6 1 2 3 4 5 6 7 8 9 10 11 speed limiter for riders less experienced with this model, the throttle lever housing is equipped with a speed lim- iter. The speed limiter keeps the throttle from fully opening, even when the throttle lever is pushed to the maximum. Turning in the adjusting screw limits ...

  • Page 56

    7-7 1 2 3 4 5 6 7 8 9 10 11 warning ewb01460 ● 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...

  • Page 57

    7-8 1 2 3 4 5 6 7 8 9 10 11 avoid wheelies and jumping. You may lose control of the atv or overturn. Warning ewb01480 never attempt stunts, such as wheelies or jumps. Don’t try to show off. Modifications warning ewb01490 never modify this atv through improper in- stallation or use of accessories. Al...

  • Page 58

    7-9 1 2 3 4 5 6 7 8 9 10 11 be careful where you ride this atv is designed for use on unpaved surfaces only. Riding on paved surfaces can cause loss of control. Warning ewb01510 always avoid paved surfaces, including side- walks, driveways, parking lots and streets. Atvs are designed for use on unpa...

  • Page 59

    7-10 1 2 3 4 5 6 7 8 9 10 11 paved road or motorway. You can collide with another vehicle. In many areas, it is illegal to operate atvs on public streets, roads and highways. Know the terrain where you ride. Ride cautiously in unfamiliar areas. Stay alert for holes, rocks, or roots in the terrain, a...

  • Page 60

    7-11 1 2 3 4 5 6 7 8 9 10 11 when riding in an area where you might not easily be seen, such as desert terrain, mount a caution flag on the atv. Do not use the flag pole bracket as a trailer hitch. Warning ewb01550 always mount a caution flag on the atv to make you more visible when operating in are...

  • Page 61

    7-12 1 2 3 4 5 6 7 8 9 10 11 select a large, flat, unpaved area to become famil- iar with your atv. Make sure that this area is free of obstacles and other riders. You should practice control of the throttle, brakes, and turning tech- niques in this area before trying more difficult ter- rain. Alway...

  • Page 62

    7-13 1 2 3 4 5 6 7 8 9 10 11 warning ewb01570 always follow proper procedures for turning as described in this owner’s manual. Practice turning at low speeds before attempting to turn at faster speeds. Do not turn at speeds too fast for your skills or the conditions. As you approach a curve, slow do...

  • Page 63

    7-14 1 2 3 4 5 6 7 8 9 10 11 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 t...

  • Page 64

    7-15 1 2 3 4 5 6 7 8 9 10 11 if you are climbing a hill and you find that you have not properly judged your ability to make it to the top, you should turn the atv around while you still have forward motion (provided you have the room to do so) and go down the hill. Warning ewb01600 never attempt to ...

  • Page 65

    7-16 1 2 3 4 5 6 7 8 9 10 11 to continue up the hill, dismount the atv on the up- hill side. Physically turn the atv around and then descend the hill. If you start to roll backwards, do not apply the rear brake to stop or try to put the atv in gear. The atv could easily tip over backwards. Instead, ...

  • Page 66

    7-17 1 2 3 4 5 6 7 8 9 10 11 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. Warning ewb01620 always follow proper procedures for going down hills as described in thi...

  • Page 67

    7-18 1 2 3 4 5 6 7 8 9 10 11 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 68

    7-19 1 2 3 4 5 6 7 8 9 10 11 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,...

  • Page 69

    7-20 1 2 3 4 5 6 7 8 9 10 11 riding over rough terrain riding over rough terrain should be done with cau- tion. Look out for obstacles which could cause damage to the atv or could lead to an upset or ac- cident. Be sure to keep your feet firmly mounted on the footboards at all times. Avoid jumping t...

  • Page 70

    7-21 1 2 3 4 5 6 7 8 9 10 11 if the rear wheels of your atv start to slide side- ways, control can usually be regained (if there is room to do so) by steering in the direction of the slide. Applying the brakes or accelerating is not recommended until you have corrected the slide. With practice, over...

  • Page 71

    7-22 1 2 3 4 5 6 7 8 9 10 11 ● if your atv starts to slide sideways: steer in the direction of the slide if you have the room. Applying the brakes or accelerating is not recommended until you have corrected the slide. (see page 7-20.) ● if your atv can’t make it up a hill you are trying to climb: tu...

  • Page 72

    8-1 1 2 3 4 5 6 7 8 9 10 11 ebu28781 periodic maintenance and minor repair ebu21670 safety is an obligation of the owner. Periodic in- spection, adjustment and lubrication will keep your atv in the safest and best operating condition possible. The most important points of inspection, adjustment, and...

  • Page 73

    8-2 1 2 3 4 5 6 7 8 9 10 11 the service information included in this manual and the tools provided in the owner’s tool kit are in- tended to assist you in the performance of preven- tive maintenance and minor repairs. However, additional tools such as a torque wrench may be necessary to perform cert...

  • Page 74

    8-3 1 2 3 4 5 6 7 8 9 10 11 ebu21742 periodic maintenance chart for the emission control system tip ● for atvs not equipped with an odometer or an hour meter, follow the month maintenance intervals. ● for atvs equipped with an odometer or an hour meter, follow the km (mi) or hours maintenance inter-...

  • Page 75

    8-4 1 2 3 4 5 6 7 8 9 10 11 6 * exhaust system ● check for leakage and replace gasket(s) if neces- sary. ● check for looseness and tighten all screw clamps and joints if necessary. √ √ √ 7 spark arrester ● clean. √ √ √ no. Item check or maintenance job initial every whichev- er comes first month 1 3...

  • Page 76

    8-5 1 2 3 4 5 6 7 8 9 10 11 ebu21864 general maintenance and lubrication chart no. Item check or maintenance job initial every whichev- er comes first month 1 3 6 6 12 km (mi) 320 (200) 1300 (800) 2500 (1600) 2500 (1600) 5000 (3200) hours 20 80 160 160 320 1 * timing chain ● check chain tension. ● a...

  • Page 77

    8-6 1 2 3 4 5 6 7 8 9 10 11 9 * shock absorber assemblies ● check operation and correct if necessary. ● check for oil leakage and replace if necessary. √ √ √ 10 * front knuckle piv- ots ● lubricate with lithium-soap-based grease. √ √ √ 11 * steering shaft ● lubricate with lithium-soap-based grease. ...

  • Page 78

    8-7 1 2 3 4 5 6 7 8 9 10 11 ebu23060 tip the air filter needs more frequent service if you are riding in unusually wet or dusty areas..

  • Page 79

    8-8 1 2 3 4 5 6 7 8 9 10 11 ebu23211 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 spark plug should be removed and checked in accor- dance with the periodic maintenance and lubr...

  • Page 80

    8-9 1 2 3 4 5 6 7 8 9 10 11 2. Check the spark plug for electrode erosion and excessive carbon or other deposits, and replace it if necessary. To install the spark plug 1. Measure the spark plug gap with a wire thick- ness gauge and, if necessary, adjust the gap to specification. 2. Clean the surfac...

  • Page 81

    8-10 1 2 3 4 5 6 7 8 9 10 11 to check the engine oil level 1. Place the atv on a level surface. 2. Check the engine oil level on a cold engine. Tip 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 se...

  • Page 82

    8-11 1 2 3 4 5 6 7 8 9 10 11 to change the engine oil 1. Place the atv on a level surface. 2. Start the engine, warm it up for several min- utes, and then turn it off. 3. Place an oil pan under the engine to collect the used oil. 4. Remove the engine oil filler cap, and then re- move the engine oil ...

  • Page 83

    8-12 1 2 3 4 5 6 7 8 9 10 11 minutes while checking it for oil leakage. If oil is leaking, immediately turn the engine off and check for the cause. 9. Turn the engine off, wait at least ten minutes, and then check the oil level and correct it if necessary. Ebu23404 final gear oil the final gear case...

  • Page 84

    8-13 1 2 3 4 5 6 7 8 9 10 11 to change the final gear oil 1. Place 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 cap and the fi- nal gear oil drain bolt to drain the oil from the final gear case. 4. Install the ...

  • Page 85

    8-14 1 2 3 4 5 6 7 8 9 10 11 case. If dust or water collects in this hose, empty the hose and clean the air filter element and air fil- ter case. 1. Place the atv on a level surface. 2. Remove the panel shown by removing the bolts. 1. Air filter case check hose 1 1. Panel 2. Bolt 1 2 2.

  • Page 86

    8-15 1 2 3 4 5 6 7 8 9 10 11 3. Remove the air filter case cover by unhooking the holders. 4. Unhook the holder holding the air filter ele- ment, and then pull out the sponge material from the air filter element. 5. Wash the sponge material gently but thor- oughly in solvent. Warning ewb01940 always...

  • Page 87

    8-16 1 2 3 4 5 6 7 8 9 10 11 plode. 6. Squeeze the excess solvent out of the sponge material and let it dry. Notice ecb00440 do not twist the sponge material when squeez- ing it. 7. Check the sponge material and replace it if damaged. 8. Apply a quality foam air filter oil to the sponge material. Ti...

  • Page 88

    8-17 1 2 3 4 5 6 7 8 9 10 11 poor performance and possible engine over- heating. Ebu27630 cleaning the spark arrester be sure the exhaust pipe and muffler are cool be- fore cleaning the spark arrester. 1. Remove the screws. 2. Remove the tailpipe by pulling it out of the muffler. 3. Tap the tailpipe...

  • Page 89

    8-18 1 2 3 4 5 6 7 8 9 10 11 touching exhaust components. Ebu23940 adjusting the carburetor the carburetor should be checked and, if neces- sary, adjusted at the intervals specified in the peri- odic maintenance and lubrication chart. The carburetor is an important part of the engine and requires ve...

  • Page 90

    8-19 1 2 3 4 5 6 7 8 9 10 11 tip 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 the throttle cable free play should be checked at the intervals specified in the periodic maintenance and lub...

  • Page 91

    8-20 1 2 3 4 5 6 7 8 9 10 11 ebu24090 checking the front and rear brake shoes the front and rear brake shoes must be checked for wear at the intervals specified in the periodic maintenance and lubrication chart. Each brake is provided with a wear indicator, which allows you to check the brake shoe w...

  • Page 92

    8-21 1 2 3 4 5 6 7 8 9 10 11 rear brake 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. Tip before adjusting the brake lever free play, check the fro...

  • Page 93

    8-22 1 2 3 4 5 6 7 8 9 10 11 4. Tighten the lower locknut. 5. While applying the front brake, turn out the up- per adjusting bolt until the upper and lower ca- ble lengths are equal. The cable joint will become vertical. 6. Tighten the upper locknut. Warning ewb02080 operating with improperly servic...

  • Page 94

    8-23 1 2 3 4 5 6 7 8 9 10 11 should be performed by a yamaha dealer. Ebu24451 adjusting the rear 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. Tip before adjusting the brake le...

  • Page 95

    8-24 1 2 3 4 5 6 7 8 9 10 11 adjusting nut on the brake cable at the rear wheel hub in direction (a), and to decrease it, turn the nut in direction (b). 7. Tighten the locknut at the brake lever. Tip if the specified free play cannot be obtained as de- scribed above or if the rear brake does not ope...

  • Page 96

    8-25 1 2 3 4 5 6 7 8 9 10 11 warning ewb02130 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. Ebu28702 chec...

  • Page 97

    8-26 1 2 3 4 5 6 7 8 9 10 11 ebu25102 lubricating the steering shaft the steering shaft must be lubricated at the inter- vals specified in the periodic maintenance and lu- brication chart. Ebu25121 battery a poorly maintained battery will corrode and dis- charge quickly. The electrolyte level, batte...

  • Page 98

    8-27 1 2 3 4 5 6 7 8 9 10 11 when working near batteries. 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 att...

  • Page 99

    8-28 1 2 3 4 5 6 7 8 9 10 11 to install the battery tip be sure the battery is fully charged. 1. Install the battery. 2. Connect the positive lead first, and then con- nect the negative lead. 3. Make sure that the breather hose is properly routed, in good condition, and not obstructed. Notice ecb006...

  • Page 100

    8-29 1 2 3 4 5 6 7 8 9 10 11 notice ecb00640 to prevent accidental short-circuiting, turn off the main switch when checking or replacing a fuse. 2. Remove the blown fuse, and then install a new fuse of the specified amperage. Warning ewb02171 always use a fuse of the specified rating, and never use ...

  • Page 101

    8-30 1 2 3 4 5 6 7 8 9 10 11 rear 3. Elevate the atv and place a suitable stand under the frame. 4. Remove the nuts from the wheel. 5. Remove the wheel. Ebu27481 installing a wheel 1. Place the atv on a level surface. 2. Install the wheel and the nuts. Tip when installing the wheel, make sure its ar...

  • Page 102

    8-31 1 2 3 4 5 6 7 8 9 10 11 rear 3. Lower the atv to the ground. 4. Tighten the wheel nuts to the specified torques. Ebu25720 troubleshooting although yamaha atvs receive a thorough in- spection before shipment from the factory, trouble may occur during operation. Any problem in the fu- el, compres...

  • Page 103

    8-32 1 2 3 4 5 6 7 8 9 10 11 ebu25791 troubleshooting chart check the fuel level in the fuel tank. 1. Fuel there is enough fuel. There is no fuel. Check the compression. Supply fuel. The engine does not start. Check the compression. Operate the electric starter. 2. Compression there is compression. ...

  • Page 104

    9-1 1 2 3 4 5 6 7 8 9 10 11 ebu25860 cleaning and storage ebu25880 cleaning frequent, thorough cleaning of your atv will not only enhance its appearance but will improve its general performance and extend the useful life of many components. 1. Before cleaning the atv: a. Block off the end of the exh...

  • Page 105

    9-2 1 2 3 4 5 6 7 8 9 10 11 linings. Ebu25932 storage short-term always store your atv in a cool, dry place and, if necessary, protect it against dust with a porous cover. Notice ecb00720 ● storing the atv in a poorly ventilated room or covering it with a tarp while it is still wet, will allow water...

  • Page 106

    9-3 1 2 3 4 5 6 7 8 9 10 11 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 litt...

  • Page 107

    10-1 1 2 3 4 5 6 7 8 9 10 11 ebu25960 specifications ebu2597b dimensions: overall length: 1537 mm (60.5 in) overall width: 825 mm (32.5 in) overall height: 915 mm (36.0 in) seat height: 618 mm (24.3 in) wheelbase: 1030 mm (40.6 in) ground clearance: 75 mm (3.0 in) minimum turning radius: 2300 mm (91...

  • Page 108

    10-2 1 2 3 4 5 6 7 8 9 10 11 recommended engine oil grade: api service sg type or higher, jaso standard ma engine oil quantity: periodic oil change: 0.80 l (0.85 us qt, 0.70 imp.Qt) final gear oil: type: sae 80 api gl-4 hypoid gear oil quantity: 0.12 l (0.13 us qt, 0.11 imp.Qt) air filter: air filte...

  • Page 109

    10-3 1 2 3 4 5 6 7 8 9 10 11 secondary reduction ratio: 19/18 × 34/10 (3.588) transmission type: constant mesh 1-speed operation: left hand operation 1st: 38/14 (2.714) chassis: frame type: steel tube frame caster angle: 1.0 ° trail: 3.4 mm (0.13 in) front tire: type: tubeless size: at16 x 7-7 manuf...

  • Page 110

    10-4 1 2 3 4 5 6 7 8 9 10 11 rear brake: type: drum brake operation: left hand operation front suspension: type: leading arm spring/shock absorber type: coil spring/oil damper wheel travel: 57 mm (2.3 in) rear suspension: type: swingarm spring/shock absorber type: coil spring/oil damper wheel travel...

  • Page 111

    11-1 1 2 3 4 5 6 7 8 9 10 11 ebu26000 consumer information ebu26011 identification numbers record the key identification number, vehicle iden- tification number and model label information in the spaces provided below for assistance when or- dering spare parts from a yamaha dealer or for ref- erence...

  • Page 112

    11-2 1 2 3 4 5 6 7 8 9 10 11 the year of manufacture is listed in the vehicle identification number as shown in the illustration. Tip the vehicle identification number is used to identi- fy your atv. Ebu26050 model label the model label is affixed at the location in the il- lustration. Record the in...

  • Page 113

    11-3 1 2 3 4 5 6 7 8 9 10 11 1. Model label 1.

  • Page 114

    Index a accessories and loading ................................................ 6-7 air filter element, cleaning............................................ 8-13 b battery.................................................................. 5-6 , 8-26 brake lever free play, adjusting the front...........

  • Page 115

    O owner’s manual and tool kit............................................8-1 p parking............................................................................6-5 parking brake..................................................................4-6 parking on a slope ...................................

  • Page 116

    Printed in japan 2008.05-0.2x2 ! (e) yamaha motor co., ltd. Printed on recycled paper.