Related Manuals for Yamaha BADGER YFM80N
Summary of Contents for Yamaha BADGER YFM80N
- Page 1 READ THIS MANUAL CAREFULLY! It contains important safety information. OWNER’S MANUAL YFM80N(C) This ATV should not be ridden by anyone under 12 years of age. LIT-11626-14-04 4EM-28199-1B...
- Page 2 EBU00004 INTRODUCTION Congratulations on your purchase of the Yamaha YFM80. It 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 3 AN IMPORTANT NOTE TO PARENTS: This ATV is not a toy. Before you let your child ride this ATV, you should understand the instructions and warnings in this Owner’s Manual. Then be sure your child understands and will follow them. Children differ in skills, physical abilities and judgement.
- Page 4 EBU00010 IMPORTANT MANUAL INFORMATION FAILURE TO FOLLOW THE WARNINGS CONTAINED IN THIS MANUAL CAN RESULT IN SERI- OUS INJURY 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 or death to the machine operator, a bystander or a person inspecting or repairing the machine.
- Page 5 Please check your local riding laws and regulations before operating this machine. YFM80N(C) EBU00012 OWNER’S MANUAL ©2000 by Yamaha Motor Corporation, AFFIX DEALER U.S.A. LABEL HERE 1st Edition, February 2000 All rights reserved. Any reprinting or...
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Page 6: Table Of Contents
EBU00014 Indicates a potential hazard that could result in serious injury or death. CONTENTS LOCATION OF THE WARNING AND Speed limiter ........4-4 SPECIFICATION LABELS .......1-1 Front brake lever ........4-5 Rear brake pedal and lever ....4-5 SAFETY INFORMATION ......2-1 Parking brake ........4-6 Shift pedal ..........4-7 DESCRIPTION AND MACHINE Fuel tank cap ........4-8... - Page 7 Switches ..........5-6 Be careful where you ride....7-16 Battery ..........5-6 Turning your ATV .......7-23 Tires .............5-7 Climbing uphill ........7-25 How to measure tire pressure ....5-8 Riding downhill ........7-30 Tire wear limit ........5-9 Crossing a slope.........7-32 Crossing through shallow water ..7-34 OPERATION ..........6-1 Riding over rough terrain ....7-36 Starting a cold engine......6-1 Sliding and skidding ......7-38...
- Page 8 ........8-19 MAINTENANCE RECORD.....12-1 Clutch adjustment.......8-22 Cable inspection and lubrication ..8-23 ATV LIMITED WARRANTY....13-1 Brake and shift pedal/brake lever lubrication .........8-23 YAMAHA EXTENDED SERVICE Knuckle shaft and steering shaft (Y.E.S.) ...........14-1 lubrication .........8-24 Wheel removal ........8-24 Wheel installation .......8-24 Battery ..........8-25 Replenishing the battery fluid .....8-27...
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Page 9: Location Of The Warning And Specification Labels
They contain important information for safe and proper operation of your ATV. Never remove any labels from your ATV. If a label becomes difficult to read or comes off, a replace- ment label is available from your Yamaha dealer. - Page 10 4EM-21697-31 5FE-21568-01 4EM-21578-A0...
- Page 11 WARNING NEVER ride as a passenger. Passengers can cause a loss of control, resulting in SEVERE INJURY or DEATH. 5FE-2151H-01 4EM-21696-11...
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Page 12: Safety Information
EBU00029 SAFETY INFORMATION AN ATV IS NOT A TOY AND CAN BE HAZARDOUS TO OPERATE. An ATV handles differently from other vehicles including motorcycles and cars. A collision or rollover can occur quickly, even during routine maneuvers such as turning and riding on hills or over obstacles, if you fail to take proper pre- cautions. - Page 13 8 Always avoid operating an ATV on any paved surfaces, including sidewalks, driveways, parking lots and streets. 8 Never operate an ATV on any public street, road or highway, even a dirt or gravel one. 8 Never operate an ATV without wearing an approved motorcycle helmet that fits properly. You should also wear eye protection (goggles or face shield), gloves, boots, long-sleeved shirt or jacket, and long pants.
- Page 14 8 Never operate on excessively rough, slippery or loose terrain until you have learned and practiced the skills necessary to control the ATV on such terrain. Always be especially cautious on these kinds of terrain. 8 Always follow proper procedures for turning as described in this manual. Practice turning at low speeds before attempting to turn at faster speeds.
- Page 15 8 Always use proper procedures if you stall or roll backwards when climbing a hill. To avoid stalling, use proper gear and maintain a steady speed when climbing a hill. If you stall or roll backwards, fol- low the special procedure for braking described in this manual. Dismount on the uphill side or to a side if pointed straight uphill.
- Page 16 8 Never exceed the stated load capacity for an ATV. Cargo should be properly distributed and securely attached. Reduce speed and follow instructions in this manual for carrying cargo or pulling a trailer. Allow greater distance for braking. FOR MORE INFORMATION ABOUT ATV SAFETY, call the Consumer Products Safety Commission at 1-800-638-2772, or the ATV Distributor’s Safety Hotline at 1-800-852-5344.
- Page 17 q WARNING When transporting the machine in another vehicle, be sure it is kept upright and that POTENTIAL HAZARD the fuel cock is in the “OFF” position. Improper handling of gasoline. Otherwise, fuel may leak out of the carbu- WHAT CAN HAPPEN retor or fuel tank.
- Page 18 q WARNING POTENTIAL HAZARD Starting or running the engine in a closed area. WHAT CAN HAPPEN Exhaust fumes are poisonous and may cause loss of consciousness and death within a short time. HOW TO AVOID THE HAZARD Always operate your machine in an area with adequate ventilation.
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Page 19: Description And Machine Identification
EBU00032 DESCRIPTION AND MACHINE IDENTIFICATION 1. Spark arrester 10. Rear brake lever 2. Seat 11. Parking brake 3. Front cover 12. Neutral indicator light 4. Rear brake pedal 13. Front brake lever 5. Fuel cock 14. Throttle lever 6. Rear wheel 15. -
Page 20: Identification Number Records
This tion in the spaces provided for assistance when number can be used for ordering a new key. ordering spare parts from a Yamaha dealer or for reference in case the vehicle is stolen. 1. KEY IDENTIFICATION NUMBER: 2. -
Page 21: Vehicle Identification Number
The model label is affixed to the frame. Record into the frame. the information on this label in the space provid- ed. This information will be needed to order spare parts from your Yamaha dealer. 1. Vehicle identification number 1. Model label NOTE: The vehicle identification number is used to identify your machine. -
Page 22: Control Functions
EBU00039 EBU00043 CONTROL FUNCTIONS Indicator lights EBU00045 Indicates a potential hazard that could result Neutral indicator light “NEUTRAL” in serious injury or death. This indicator light comes on when the transmis- sion is in neutral. EBU00042 Main switch Functions of the respective switch positions are as follows: The engine can be started only at this position. -
Page 23: Handlebar Switches
EBU00053 EBU00056 Handlebar switches Start switch “START” The starter motor cranks the engine when this switch is pushed. See starting instructions prior to starting engine (see page 6-1 for details). NOTE: If the starter switch is pushed with the main 1. -
Page 24: Throttle Lever
Check the operation of the throttle lever before you start the engine. If it does not work smoothly, check for the cause. Correct the problem before riding the ATV. 1. Throttle lever Consult a Yamaha dealer if you can’t find or solve the problem yourself. -
Page 25: Speed Limiter
EBU00533 q WARNING Speed limiter The speed limiter keeps the throttle from fully POTENTIAL HAZARD opening, even when the throttle lever is pushed Improper adjustment of the speed limiter to the maximum. Screwing in the adjuster limits and throttle. the maximum engine power available and WHAT CAN HAPPEN decreases the maximum speed of the ATV. -
Page 26: Front Brake Lever
EBU00070 Front brake lever The front brake lever is located on the right han- dlebar. Pull it toward the handlebar to apply the front brake. 1. Rear brake pedal 1. Front brake lever EBU00073 Rear brake pedal and lever The brake pedal is located on the right side of the machine and the brake lever is located on the left handlebar. -
Page 27: Parking Brake
EBU00074 Parking brake Use the parking brake when you have to start the engine or park the machine, especially on a slope. Apply the rear brake lever and push down the lock plate to apply the parking brake. Squeeze the rear brake lever to release the parking brake. -
Page 28: Shift Pedal
EBU00083 q WARNING Shift pedal This machine is equipped with a constant-mesh POTENTIAL HAZARD 3-speed transmission. The shift pedal is located Improper use of the parking brake. on the left side of the engine. Neutral is at the WHAT CAN HAPPEN bottom position. -
Page 29: Fuel Tank Cap
EBU00092 EBU00093 Fuel tank cap Fuel cock Remove the fuel tank cap by turning it counter- The fuel cock supplies fuel from the fuel tank to clockwise. the carburetor. The fuel cock has three positions. OFF: With the lever in this position fuel will not flow. -
Page 30: Choke Lever
EBU00096 Choke lever The choke is used to start a cold engine. Refer to “Starting a cold engine” for proper operation. (See page 6-1.) a. Choke lever 1. Fully open “ON” 2. Half open (Warming up position) 3. Closed “OFF”... -
Page 31: Seat
EBU00566 Seat NOTE: To remove the seat, pull the seat lock lever Make sure that the seat is securely fitted. upward and pull up the seat at the rear. 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. - Page 32 EBU00112 Indicates a potential hazard that could result in serious injury or death. 4-11...
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Page 33: Pre-Operation Checks
PRE-OPERATION CHECKS Before using this machine, check the following points: ITEM ROUTINE PAGE 9 Check operation, condition and free play. Brakes 5-2 ~ 5-3, 8-16 ~ 8-21 9 Adjust if necessary. 9 Check fuel level. 5-3 ~ 5-4 Fuel 9 Fill with fuel if necessary. 9 Check oil level. -
Page 34: Front And Rear Brakes
HOW TO AVOID THE HAZARD applied. If not, have the machine inspected Always inspect your ATV each time you by a Yamaha dealer. use it to make sure the ATV is in safe operating condition. 2. Brake operation... -
Page 35: Fuel
0.9L (0.2 Imp gal, 0.2 US gal) any problem with the brakes. If a problem cannot be corrected by the adjustment Your Yamaha engine has been designed to use procedures provided in this manual, have regular unleaded gasoline with a pump octane the ATV inspected by a Yamaha dealer. - Page 36 10%. Gasohol containing methanol is not recommended by Fuel can spill, which can cause a fire and Yamaha because it may cause fuel system severe injury. damage or vehicle performance problems. Fuel expands when it heats up. If the fuel tank is overfilled, fuel could spill out due to heat from the engine or the sun.
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Page 37: Engine Oil
EBU00442 Engine oil Oil quantity: Make sure the engine oil is at the specified level. Periodic oil change: Add oil as necessary.(See page 8-5.) 0.8 L (0.70 Imp qt, 0.85 US qt) Total amount: Recommended oil: 0.95 L (0.84 Imp qt, 1.00 US qt) 0°... -
Page 38: Throttle Lever
EBU00152 Fittings and Fasteners Always check the tightness of chassis fittings and fasteners before a ride. Take the machine to a Yamaha dealer or refer to the Service Manual for correct tightening torque. EBU00154 Switches Check the operation of the start switch, engine stop switch and any other switches. -
Page 39: Tires
The following are mini- mums: 1. The tires listed below have been Front 17 kPa (0.17 kgf/cm , 2.5 psi) approved by Yamaha Motor Co., Ltd. Rear 17 kPa (0.17 kgf/cm , 2.5 psi) for this model. Other tire combinations are not recommended. -
Page 40: How To Measure Tire Pressure
Set pressure with tires cold. 4. Use no more than the following pres- Set tire pressures to the following specifications: sures when seating the tire beads. Front 250 kPa (2.5 kgf/cm , 36 psi) Recommended Minimum Maximum pressure Rear 250 kPa (2.5 kgf/cm , 36 psi) 20 kPa 17 kPa... -
Page 41: Tire Wear Limit
EBU00160 Tire wear limit When the tire groove decreases to 3 mm (0.12 in) due to wear, replace the tire. a. 3 mm (0.12 in) -
Page 42: Operation
2. Turn the fuel cock to “ON”. there is a control or function you do not 3. Turn the main switch to “ON” and the engine understand, ask your Yamaha dealer. stop switch to “RUN”. 4. Shift the transmission into neutral. - Page 43 0° 10° 20° 30° °C on. If the light does not come on, ask a Yamaha dealer to inspect it. 30° 50° 70° 90° °F b. When the transmission is in gear and the rear brake lever is applied.
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Page 44: Starting A Warm Engine
6. Completely close the throttle lever and start the engine by pushing the start switch. See the “Engine break-in” section prior to NOTE: operating engine for the first time. If the engine fails to start, release the start switch, then push it again. Pause a few seconds EBU00181 before the next attempt. -
Page 45: Shifting
EBU00200 Shifting This model has a 3-speed forward transmission Do not coast for long periods with the engine with centrifugal automatic clutch. The transmis- off, and do not tow the machine a long dis- sion allows you to control the amount of power tance. -
Page 46: To Decelerate
EBU00207 To decelerate: 4. Once the machine has attained adequate When slowing down or stopping, release the throttle speed, release the throttle lever. and apply the brakes smoothly and evenly. As you 5. Shift into second gear and release the shift slow down, shift to a lower gear. -
Page 47: Engine Break-In
Engine break-in If any abnormality is noticed during this period, There is never a more important period in the consult a Yamaha dealer. life of your machine than the period between 1. 0 ~ 10 hours: zero and 20 hours. -
Page 48: Parking
EBU00211 Parking When parking, stop the engine and shift into neutral. Turn the fuel cock to “OFF” and apply the parking brake. 1. Lock plate... -
Page 49: Parking On A Slope
EBU00219 Parking on a slope 1. Bring the machine to a stop by applying the brakes in low gear. q WARNING 2. Stop the engine. 3. With the rear brake lever and pedal applied, POTENTIAL HAZARD apply the parking brake and slowly release Parking on a hill or other incline. -
Page 50: Accessories And Loading
8 Use extra caution when riding an ATV with However, it is not possible for Yamaha to test all non-Yamaha accessories, nor have any accessories. The ATV may handle differently control over the quality or suitability of them. - Page 51 8 Tie down cargo securely to the carriers. Make EBU00584 Loading sure cargo in the trailer cannot move around. As originally equipped, this ATV is not designed A shifting load can cause an accident. to carry cargo or tow a trailer. If you choose to 8 Make sure the load does not interfere with add accessories so that you can carry cargo or controls or your ability to see where you are...
- Page 52 q WARNING POTENTIAL HAZARD Overloading this ATV or carrying or tow- ing cargo improperly. WHAT CAN HAPPEN Could cause changes in vehicle handling which could lead to an accident. HOW TO AVOID THE HAZARD Never exceed the stated load capacity for this ATV.
- Page 53 EBU00555 Indicates a potential hazard that could result in serious injury or death. 6-12...
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Page 54: Riding Your Atv
Riding Your... -
Page 56: Getting To Know Your Atv
Indicates a potential hazard that could result in serious injury or death. GETTING TO KNOW YOUR ATV completely and understand the operation of the This ATV is for recreation use. This section, controls. Pay particular attention to the safety Riding your ATV, provides general ATV riding information on pages 2-1 ~ 2-7. -
Page 57: Ride With Care And Good Judgement
Get training if you are inexperienced. should complete the certified training Beginners should get training from a certified course offered by Yamaha. They should instructor. then regularly practice the skills learned in Become familiar with this ATV at slow speeds the course and the operating techniques first, even if you are an experienced operator. - Page 58 Not recommended for children under 12 years of age. q WARNING POTENTIAL HAZARD Failure to follow the age recommendations for this ATV. WHAT CAN HAPPEN Use by children of ATVs that are not rec- ommended for their age can lead to severe injury or death of the child.
- Page 59 This machine is designed to carry operator only - passengers prohibited. q WARNING POTENTIAL HAZARD Carrying a passenger on this ATV. WHAT CAN HAPPEN Greatly reduces your ability to balance and control this ATV. Could cause an acci- dent, resulting in harm to you and/or your passenger.
- Page 60 Apparel Operating without protective clothing q WARNING increases your chances of severe injury in the event of an accident. POTENTIAL HAZARD HOW TO AVOID THE HAZARD Operating this ATV without wearing an Always wear an approved motorcycle hel- approved motorcycle helmet, eye protec- met that fits properly.
- Page 61 Do not operate after consuming alcohol or q WARNING drugs. POTENTIAL HAZARD Operator’s performance capability is reduced by the influence of alcohol or drugs. Operating this ATV after consuming alco- hol or drugs. WHAT CAN HAPPEN Could seriously affect your judgment. Could cause you to react more slowly.
- Page 62 Pre-operation checks q WARNING Always perform the pre-operation checks listed POTENTIAL HAZARD on page 5-1 before riding for safety and proper care of the machine. Operating this ATV with improper tires, or with improper or uneven tire pressure. q WARNING WHAT CAN HAPPEN Use of improper tires on this ATV, or oper- POTENTIAL HAZARD...
- Page 63 Speed limiter For riders inexperienced with this model, this Indicates a potential hazard that could result model is equipped with a speed limiter in the in serious injury or death. throttle lever housing. The speed limiter limits the power and top speed of the machine. Turning the screw in decreases top speed, and Do not operate at speeds too fast for your turning it out increases top speed.
- Page 64 Loading and accessories q WARNING Use extra caution when riding the machine with POTENTIAL HAZARD additional loads, such as accessories or cargo. The machine’s handling may be adversely Overloading this ATV or carrying or tow- affected. Reduce your speed when adding addi- ing cargo improperly.
- Page 65 During operation q WARNING Always keep your feet on the footboards during POTENTIAL HAZARD operation. Otherwise your feet may contact the rear wheels. Removing hands from handlebars or feet from footboards during operation. WHAT CAN HAPPEN Removing even one hand or foot can reduce your ability to control the ATV or could cause you to lose your balance and fall off of the ATV.
- Page 66 Avoid wheelies and jumping. You may lose con- trol of the machine or overturn. q WARNING POTENTIAL HAZARD Attempting wheelies, jumps, and other stunts. WHAT CAN HAPPEN Increases the chance of an accident, including an overturn. HOW TO AVOID THE HAZARD Never attempt stunts, such as wheelies or jumps.
- Page 67 Never modify this ATV through improper installation or use of accessories. All parts and accessories added to this vehicle should be genuine Yamaha or equivalent components designed for use on this ATV and should be installed and used accord- ing to instructions. If you have questions, consult an authorized ATV dealer.
- Page 68 Exhaust system The exhaust system on the machine is very hot during and following operation. To prevent burns, avoid touching the exhaust system. Park the machine in a place where pedestrians or children are not likely to touch it. q WARNING POTENTIAL HAZARD Hot exhaust system.
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Page 69: Be Careful Where You Ride
BE CAREFUL WHERE YOU RIDE This machine is designed for off-road use only. Riding on paved surfaces can cause loss of con- trol. q WARNING POTENTIAL HAZARD Operating this ATV on paved surfaces. WHAT CAN HAPPEN ATVs are designed for off-road use only. Paved surfaces may seriously affect han- dling and control of the ATV, and may cause the vehicle to go out of control. - Page 70 Do not ride on any public road, street, or high- way. Riding on public roads can result in collisions with other vehicles. q WARNING POTENTIAL HAZARD Operating this ATV on public streets, roads or highways. WHAT CAN HAPPEN You can collide with another vehicle. HOW TO AVOID THE HAZARD Never operate this ATV on any public street, road or highway, even a dirt or...
- Page 71 Know the terrain where you ride. Ride cautiously in unfamiliar areas. Stay alert for holes, rocks, or roots in the ter- rain, and other hidden hazards which may cause the machine to upset. q WARNING POTENTIAL HAZARD Failure to use extra care when operating this ATV on unfamiliar terrain.
- Page 72 q WARNING POTENTIAL HAZARD Failure to use extra care when operating on excessively rough, slippery or loose terrain. WHAT CAN HAPPEN Could cause loss of traction or vehicle control, which could result in an accident, including an overturn. HOW TO AVOID THE HAZARD Do not operate on excessively rough, slip- pery or loose terrain until you have learned and practiced the skills necessary...
- Page 73 When riding in an area where you might not WHAT CAN HAPPEN easily be seen, such as desert terrain, mount a You could be in a collision. You could be caution flag on the machine. DO NOT use the injured. flag pole bracket as a trailer hitch.
- Page 74 Select a large, flat area off-road to become With the engine idling, lift the shift pedal to the familiar with your ATV. Make sure that this area 1st gear position and then release the parking is free of obstacles and other riders. You should brake.
- Page 75 q WARNING Do not shift gears without releasing the POTENTIAL HAZARD throttle. Damage to the engine or drive train Engaging a lower gear when the engine may occur. speed is too high. WHAT CAN HAPPEN When slowing down or stopping, release the The wheels could stop rotating.
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Page 76: Turning Your Atv
TURNING YOUR ATV HOW TO AVOID THE HAZARD To achieve maximum traction while riding off- Always follow proper procedures for turn- road, the two rear wheels are mounted solidly ing as described in this Owner’s Manual. on one axle and turn together at the same Practice turning at low speeds before speed. - Page 77 Once you have learned this technique you should be able to perform it at higher speeds or Lean towards in tighter curves. Support your inside of turn weight on the outer footrest Improper riding procedures such as abrupt throt- tle changes, excessive braking, incorrect body movements, or too much speed for the sharp- ness of the turn may cause the ATV to tip.
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Page 78: Climbing Uphill
CLIMBING UPHILL HOW TO AVOID THE HAZARD Use proper riding techniques to avoid vehicle Never operate the ATV on hills too steep overturns on hills. Be sure that you can maneu- for the ATV or for your abilities. ver your ATV well on flat ground before attempt- Practice on smaller hills before attempting ing any incline and then practice riding first on large hills. - Page 79 q WARNING Never go over the top of any hill at high speed. POTENTIAL HAZARD An obstacle, a sharp drop, or another Climbing hills improperly. vehicle or person could be on the other WHAT CAN HAPPEN side of the hill. Could cause loss of control or cause the ATV to overturn.
- Page 80 If you are climbing a hill and you find that you When crossing the side of a hill: have not properly judged your ability to make it Always follow proper procedures as to the top, you should turn the ATV around while described in the Owner’s Manual.
- Page 81 q WARNING If your ATV has stalled or stopped and you believe you can continue up the hill, restart care- POTENTIAL HAZARD fully to make sure you do not lift the front wheels Stalling, rolling backwards or improperly which could cause you to lose control. If you are dismounting while climbing a hill.
- Page 82 When fully stopped, apply rear brake as well, and then lock parking brake. Dismount on uphill side or to a side if pointed straight uphill. Turn the ATV around and remount, following the proce- dure described in the Owner’s Manual. 7-29...
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Page 83: Riding Downhill
RIDING DOWNHILL q WARNING When riding your ATV downhill, shift your weight POTENTIAL HAZARD as far to the rear and uphill side of the ATV as possible. Move back on the seat and sit with Going down a hill improperly. your arms straight. - Page 84 7-31...
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Page 85: Crossing A Slope
CROSSING A SLOPE q WARNING Traversing a sloping surface on your ATV POTENTIAL HAZARD requires you to properly position your weight to maintain proper balance. Be sure that you have Improperly crossing hills or turning on learned the basic riding skills on flat ground hills. - Page 86 Shift your weight to the uphill side of the ATV. 7-33...
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Page 87: Crossing Through Shallow Water
CROSSING THROUGH SHALLOW WATER Remember that wet brakes may have The ATV can be used to cross slow moving, reduced stopping ability. Test your brakes shallow water of up to a maximum of 20 cm (7.9 after leaving water. If necessary, apply inches) in depth. - Page 88 Test your brakes after leaving the water. Do not continue to ride your ATV without verifying that After riding your ATV in water, be sure to you have regained proper braking ability. drain the trapped water by removing the check hose at the bottom of the air filter case.
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Page 89: Riding Over Rough Terrain
RIDING OVER ROUGH TERRAIN q WARNING Riding over rough terrain should be done with POTENTIAL HAZARD caution. Look out for obstacles which could cause damage to the ATV or could lead to an Improperly operating over obstacles. upset or accident. Be sure to keep your feet WHAT CAN HAPPEN firmly mounted on the footboards at all times. - Page 90 7-37...
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Page 91: Sliding And Skidding
SLIDING AND SKIDDING If the rear wheels of your ATV start to slide side- Care should be used when riding on loose or ways, control can usually be regained (if there is slippery surfaces since the ATV may slide. If room to do so) by steering in the direction of the unexpected and uncorrected, sliding could lead slide. - Page 92 q WARNING With practice, over a period of time, skill at con- trolled sliding can be developed. The terrain POTENTIAL HAZARD should be chosen carefully before attempting Skidding or sliding improperly. such maneuvers, since both stability and control are reduced. Bear in mind that sliding maneu- WHAT CAN HAPPEN vers should always be avoided on extremely You may lose control of this ATV.
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Page 93: What To Do If
WHAT TO DO IF ... 8 If your ATV starts to slide sideways: This section is designed to be a reference guide Steer in the direction of the slide if you have only. Be sure to read each section on riding the room. - Page 94 8 If your ATV is traversing a sloping surface: Be sure to ride with your weight positioned towards the uphill side of the ATV to maintain proper balance. If the ATV starts to tip, steer down the hill (if there are no obstacles in your way) to regain balance.
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Page 95: Periodic Maintenance And Adjustment
MAINTENANCE AND Turn off the engine when performing maintenance unless otherwise specified. ADJUSTMENT Have a Yamaha dealer perform service if Periodic inspection, adjustment and lubrication you are not familiar with machine service. will keep your machine in the safest and most efficient condition possible. - Page 96 HOW TO AVOID THE HAZARD during a service operation requiring one, take Never modify this ATV through improper your machine to a Yamaha dealer to check the installation or use of accessories. All parts torque settings and adjust them as necessary.
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Page 97: Periodic Maintenance/Lubrication
EBU00261 PERIODIC MAINTENANCE/LUBRICATION INITIAL EVERY ITEM ROUTINE month months months months year 9 Check valve clearance. Valves* 9 Adjust if necessary. 9 Check chain tension. Cam chain* 9 Adjust if necessary. 9 Check condition. 9 Adjust gap and clean. Spark plug 9 Replace if necessary. - Page 98 9 Check breather hose for proper operation. Battery* 9 Correct if necessary. It is recommended that these items be serviced by a Yamaha dealer. Lithium soap base grease. Indicates a potential hazard that could result in serious injury or death.
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Page 99: Engine Oil
EBU00263 Engine oil 1. Engine oil level measurement a. Place the machine on a level place. b. Warm up the engine for several minutes and stop it. c. Remove the dipstick and wipe it off with a clean rag. Insert the dipstick in the filler hole without screwing it in. - Page 100 Recommended oil: See page 10-2. Oil quantity: Periodic oil change: 0.8 L (0.70 Imp qt, 0.85 US qt) Total amount: 0.95 L (0.84 Imp qt, 1.00 US qt) Be sure no foreign material enters the 1. Drain plug crankcase. f. Reinstall the drain plug and tighten to h.
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Page 101: Final Gear Oil
EBU00463 Final gear oil 1. Final gear oil measurement a. Place the machine on a level place. b. Remove the dipstick and wipe it off with a clean rag. Insert the dipstick in the filler hole without screwing it in. c. - Page 102 e. Fill the final gear case with oil. Recommended oil: SAE 80 API “GL-4” Hypoid gear oil Oil quantity: 0.12 L (0.11 lmp qt, 0.13 US qt) Be sure no foreign material enters the final 1. Drain bolt gear case. d.
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Page 103: Spark Plug Inspection
Do not attempt to diagnose such problems yourself. Instead, take the machine to a Yamaha dealer. You should periodically remove and inspect the spark plug because heat and deposits will cause the spark plug to slowly break down and erode. -
Page 104: Air Filter Cleaning
When installing the spark plug, always clean the gasket surface and use a new gasket. Wipe off any grime from the threads and tighten to the specified torque. Tightening torque: Spark plug: 12.5 Nm (1.25 m•kg, 9.1 ft•lb) 1. Check hose EBU00292 Air filter cleaning 1. - Page 105 q WARNING 2. Unhook the fastener and remove the air fil- ter element. POTENTIAL HAZARD Using low flash point solvents or gasoline to clean the air filter element. WHAT CAN HAPPEN Low flash point solvents or gasoline can catch fire or explode. HOW TO AVOID THE HAZARD Use parts cleaning solvent to clean the air filter element.
- Page 106 The air filter element should be cleaned every 20 ~ 40 hours. It should be cleaned and lubricat- 6. Apply Yamaha foam air filter oil or other ed more often if the machine is operated in quality foam air filter oil to the element. If extremely dusty areas.
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Page 107: Spark Arrester Cleaning
EBU00457 2. Remove the tailpipe by pulling it out of the Spark arrester cleaning muffler. Be sure the exhaust pipe and muffler are cool 3. Tap the tailpipe lightly, then use a wire before cleaning the spark arrester. brush to remove any carbon deposits from 1. - Page 108 q WARNING POTENTIAL HAZARD Improper cleaning of the spark arrester. Hot exhaust system WHAT CAN HAPPEN Could injure the eyes. Could cause burns. Could cause carbon monoxide poisoning, possibly leading to death. Could start a fire. HOW TO AVOID THE HAZARD When cleaning the spark arrester: Always let the exhaust system cool prior to touching exhaust components.
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Page 109: Carburetor Adjustment
NOTE: requires very sophisticated adjustment. Most A diagnostic tachometer must be used for this adjusting should be left to a Yamaha dealer who procedure. has the professional knowledge and experience to do so. However, the idling speed may be per- 1. -
Page 110: Valve Clearance Adjustment
The correct valve clearance changes with use, the indicator reaches the wear limit line, ask a resulting in improper fuel/air supply or engine Yamaha dealer to replace the shoes as a set. noise. To prevent this, the valve clearance must be adjusted regularly. This adjustment however, should be left to a professional Yamaha service technician. -
Page 111: Front Brake Lever Free Play Adjustment
EBU00323 Front Front brake lever free play adjustment NOTE: Before adjusting the brake, inspect the front brake shoes. The front brake lever free play should be adjust- ed to 10 ~ 12 mm (0.4 ~ 0.5 in) at the brake lever pivot. - Page 112 1. Loosen the upper locknut and fully turn in 5. While applying the front brake, turn out the the adjusting bolt. upper adjusting bolt until the upper and 2. Loosen the lower locknut. lower cable lengths are equal. The cable 3.
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Page 113: Rear Brake Lever And Pedal Adjustment
8 Make sure the brakes do not drag. Replacement of brake components requires professional knowledge. These procedures should be performed by a. 5 ~ 8 mm (0.20 ~ 0.31 in) Yamaha dealer. 1. Locknut 2. Adjusting bolt 8-19... - Page 114 2. Brake pedal free play adjustment NOTE: a. Turn the brake rod adjusting nut at the rear If specified free play cannot be obtained, tighten wheel hub until brake pedal free play is the brake cable adjusting nut at the rear wheel 20 ~ 30 mm (0.8 ~ 1.2 in).
- Page 115 8 Make sure the brakes operate smooth- ly and that the free play is correct. 8 Make sure the brakes do not drag. Replacement of brake components requires professional knowledge. These procedures should be performed by a Yamaha dealer. 8-21...
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Page 116: Clutch Adjustment
EBU00345 Clutch adjustment NOTE: 1. Remove the rubber cap. Turn the adjusting bolt clockwise to decrease 2. Loosen the locknut. the clutch free play and turn it counterclockwise 3. Slowly turn the adjusting bolt clockwise to increase the free play. until resistance is felt. -
Page 117: Cable Inspection And Lubrication
WARNING Yamaha dealer to replace them. POTENTIAL HAZARD Recommended lubricant: Damaged control cables. Yamaha chain and cable lube or WHAT CAN HAPPEN SAE 10W30 motor oil Corrosion can result when the outer cov- ering of control cables becomes damaged. -
Page 118: Knuckle Shaft And Steering Shaft Lubrication
EBU00367 Knuckle shaft and steering shaft lubrication Front Rear Lubricate the pivot points. Use a grease gun. Recommended lubricant: Lithium soap base grease EBU00375 Wheel installation When installing the wheels, reverse the removal procedure. Tighten the wheel nuts to the specified torque. EBU00373 Tightening torque: Wheel removal... -
Page 119: Battery
EBU00378 Battery Check the level of the battery fluid and see if the terminals are tight. Add distilled water if the fluid level is low. Do not leave or store the battery on its side. When inspecting the battery, be sure the breather hose is routed correctly. - Page 120 q WARNING EYES: Flush with water for 15 minutes and get prompt medical attention. Keep batter- POTENTIAL HAZARD ies away from sparks, flames, cigarettes Failure to handle batteries or battery elec- or other sources of ignition. Ventilate trolyte carefully. when charging or using in a closed space. WHAT CAN HAPPEN You could be poisoned.
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Page 121: Replenishing The Battery Fluid
EBU00382 Replenishing the battery fluid A poorly maintained battery will corrode and dis- Normal tap water contains minerals which charge quickly. The battery fluid should be are harmful to a battery. Therefore, refill only checked at least once a month. with distilled water. -
Page 122: Fuse Replacement
WHAT CAN HAPPEN amperage. Then turn on the switches. If the fuse immediately blows again, consult An improper fuse can cause damage to a Yamaha dealer. the electrical system which could lead to a fire. Specified fuse: 5 A HOW TO AVOID THE HAZARD Always use a fuse of the specified rating. -
Page 123: Troubleshooting
Fuel can ignite or explode, causing severe procedure for making checks. If your machine injury or property damage. requires any repair, take it to a Yamaha dealer. HOW TO AVOID THE HAZARD Do not smoke when checking the fuel sys- The skilled technicians at a Yamaha dealership tem. -
Page 124: Troubleshooting Chart
2. Compression Use electric starter There is compresson Compression normal to see if there is compression No compression Ask a Yamaha dealer to inspect Wipe clean with dry 3. Ignition cloth Remove plug and Spark good Ignition system normal check electrode... -
Page 125: Cleaning And Storage
EBU00419 3. Rinse the dirt and degreaser off with a gar- CLEANING AND STORAGE den hose. Use only enough pressure to do the job. A. CLEANING Frequent, thorough cleaning of your machine will not only enhance its appearance but will Excessive water pressure may cause water improve its general performance and extend the seepage and deterioration of wheel bearings,... - Page 126 q WARNING 5. Rinse the machine off immediately with clean water and dry all surfaces with a POTENTIAL HAZARD chamois, clean towel or soft absorbent Operation with wet brakes after washing. cloth. 6. Clean the seat with a vinyl upholstery WHAT CAN HAPPEN cleaner to keep the cover pliable and Wet brakes may have reduced stopping...
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Page 127: Storage
(less than the need to drain the fuel system. Consult a 0˚C (30˚F) or more than 30˚C (90˚F)). Yamaha dealer if the fuel system needs to be NOTE: drained instead. Make any necessary repairs before storing the 2. -
Page 128: Specifications
EBU00428 SPECIFICATIONS Model YFM80 Dimension: Overall length 1,520 mm (59.8 in) Overall width 825 mm (32.5 in) Overall height 960 mm (37.8 in) Seat height 650 mm (25.6 in) Wheel base 1,030 mm (40.6 in) Minimum ground clearance 100 mm ( 3.9 in) Minimum turning radius 2,000 mm (78.7 in) Basic weight:... - Page 129 Model YFM80 Engine oil: 0° 10° 30° 50° 70° 90° 110° 130°F Type YAMALUBE 4 (20W40) or SAE20W40 YAMALUBE 4 (10W30) or SAE10W30 SAE 5W30 –20° –10° 10° 20° 30° 50°C 0° 40° Recommended engine oil classification: API Service SE, SF, SG type or higher Be sure to use motor oils that do not contain anti-friction modifiers.
- Page 130 Model YFM80 Final gear oil: Type SAE80API “GL-4” Hypoid gear oil Quantity: Total amount 0.12 L (0.11 Imp qt, 0.13 US qt) Air filter: Wet type element Fuel: Type UNLEADED FUEL Tank capacity 6.8 L (1.5 Imp gal, 1.8 US gal) Reserve amout 0.9 L (0.2 Imp gal, 0.2 US gal) Caburetor:...
- Page 131 Model YFM80 Transmission: Primary reduction system Spur gear Primary reduction ratio 65/20 (3.250) Secondary reduction system Shaft drive 19/18 × 34/10 (3.588) Secondary reduction ratio Transmission type Constant mesh 3-speed Operation Left foot operation Gear ratio: 39/11 (3.545) 35/17 (2.059) 31/22 (1.409) Chassis: Frame type...
- Page 132 Model YFM80 Brake: Front brake type Drum brake Operation Right hand operation Rear brake type Drum brake Operation Left hand and right foot operation Suspension: Front Leading arm Rear Swingarm Shock Absorber: Front Coil spring, Oil damper Rear Coil spring, Oil damper Wheel travel: Front 57 mm (2.2 in)
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Page 133: Noise Regulation
EBU00430 NOISE REGULATION TAMPERING WITH NOISE CONTROL SYSTEM PROHIBITED: Federal law prohibits the following acts or the causing thereof: (1) The removal or rendering inopera- tive by any person other than for purposes of maintenance, repair, or replacement of any device or element of design incorporated into any new vehicle for the purpose of noise control prior to its sale or delivery to the ultimate purchaser or while it is in use or (2) the use of the vehicle after such device or element of design has been removed or rendered inoperative by any person. -
Page 134: Maintenance Record
EBU00431 MAINTENANCE RECORD Copies of work orders and/or receipts for parts you purchase and install will be required to document maintenance done in accordance with the warranty. The chart below is printed only as a reminder to you that the maintenance work is required. It is not acceptable proof of maintenance work. DATE MAINTENACE SERVICING DEALER... - Page 135 EBU00432 13-1...
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- Page 139 EBU00436 Indicates a potential hazard that could result in serious injury or death.
- Page 140 EBU00437...
- Page 141 9 with a passenger - passengers affect balance and steering and increase risk of losing control. LOCATE AND READ OWNER’S MANUAL. FOLLOW ALL INSTRUCTIONS AND WARNINGS. (For replacement manual, call 1-800-532-1558) YAMAHA MOTOR CO., LTD. PRINTED IN JAPAN PRINTED ON RECYCLED PAPER ( E ) 2000·3–1.7×1...