Yamaha BIG BEAR 4X4 Manuel utilisateur

5FU-F8199-13LIT-11626-16-13

READ THIS MANUAL CAREFULLY!

It contains important safety information.

This ATV should not be ridden by anyone under 16 years of age.

WARNING

YFM400FWR

OWNER’S MANUAL

PRINTED IN USA

2002.06-1.8×1 CR

(E)

PRINTED ON RECYCLED PAPER

YAMAHA MOTOR CO., LTD.

EBU00438

LOCATE AND READ OWNER’S MANUAL. FOLLOW ALL INSTRUCTIONS AND WARNINGS.

(For replacement manual, call 1-800-532-1558)

WARNING

ALWAYS

use proper riding techniques to avoid

vehicle overturns on hills and rough

terrain and in turns.

avoid paved surfaces-pavement may

seriously affect handling and control.

Improper ATV use can result in SEVERE INJURY or DEATH.

NEVER

operate:

without proper training or instruction.

at speeds too fast for your skills or the

conditions.

on public roads-a collision can occur with

another vehicle.

with a passenger-passengers affect

balance and steering and increase risk

of losing control.

ALWAYS USE

AN APPROVED

HELMET AND

PROTECTIVE GEAR

NEVER USE

ON PUBLIC

ROADS

NEVER CARRY

PASSENGERS

NEVER USE

WITH DRUGS

OR ALCOHOL

EBU00776

EBU00941

INTRODUCTION

Congratulations on your purchase of the Yamaha YFM400FW. It represents the result of many

years of Yamaha experience in the production of fine sporting, touring, and pace-setting racing

machines. With the purchase of this Yamaha, you can now appreciate the high degree of crafts-

manship and reliability that have made Yamaha a leader in these fields.

This manual will provide you with a good basic understanding of the features and operation of this

ATV. This manual includes important safety information. It provides information about

special techniques and skills necessary to ride your ATV. It also includes basic maintenance

and inspection procedures. If you have any questions regarding the operation or maintenance of

your ATV, please consult a Yamaha dealer.

AN IMPORTANT SAFETY MESSAGE:

●READ THIS MANUAL TOGETHER WITH TIPS FOR THE ATV RIDER CAREFULLY AND

COMPLETELY BEFORE OPERATING YOUR ATV. MAKE SURE YOU UNDERSTAND ALL

INSTRUCTIONS.

●PAY CLOSE ATTENTION TO THE WARNING AND CAUTION LABELS ON THE ATV.

●NEVER OPERATE AN ATV WITHOUT PROPER TRAINING OR INSTRUCTION. FREE

TRAINING IS AVAILABLE TO ANYONE WHO BUYS A NEW ATV. CALL 1-800-887-2887

FOR MORE INFORMATION.

●THIS ATV, AND ANY OTHER ATV OVER 90cc, SHOULD NOT BE RIDDEN BY ANYONE

UNDER 16 YEARS OF AGE.

U5FU13.book Page 1 Wednesday, April 24, 2002 11:02 AM

EBU00801

IMPORTANT MANUAL INFORMATION

FAILURE TO FOLLOW THE WARNINGS CONTAINED IN THIS MANUAL CAN RESULT IN

SERIOUS 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!

WARNING

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.

CAUTION:

A CAUTION indicates special precautions that must be taken to

avoid damage to the machine.

NOTE:

A NOTE provides key information to make procedures easier or clearer.

U5FU13.book Page 1 Wednesday, April 24, 2002 11:02 AM

EBU00011

IMPORTANT NOTICE

This machine is designed and manufactured for OFF-ROAD use only. It is illegal and unsafe to

operate this machine on any public street, road or highway.

This machine complies with all applicable OFF-ROAD noise level and spark arrester laws and

regulations in effect at the time of manufacture.

Please check your local riding laws and regulations before operating this machine.

EBU01067

AFFIX DEALER

LABEL HERE

YFM400FWR

OWNER’S MANUAL

U.S.A.

1st edition, April 2002

unauthorized use without the written

permission of

Yamaha Motor Corporation,

U.S.A. is expressly prohibited.

Printed in U.S.A.

P/N LIT-11626-16-13

U5FU13.book Page 2 Wednesday, April 24, 2002 11:02 AM

EBU00014

WARNING

Indicates a potential hazard that could

result in serious injury or death.

CONTENTS

LOCATION OF THE WARNING

AND SPECIFICATION LABELS....... 1-1

SAFETY INFORMATION.................. 2-1

DESCRIPTION AND MACHINE

IDENTIFICATION ............................. 3-1

Identification number records.......... 3-2

Key identification number................ 3-2

Vehicle identification number .......... 3-3

Model label ...................................... 3-3

CONTROL FUNCTIONS...................4-1

Main switch ......................................4-1

Indicator and warning lights.............4-2

Oil temperature warning light

checking method............................4-3

Speedometer ...................................4-4

Fuel gauge .......................................4-4

Handlebar switches .........................4-5

Throttle lever ....................................4-7

Speed limiter ....................................4-8

Front brake lever..............................4-9

Rear brake pedal and lever .............4-9

Parking brake.................................4-10

Shift pedal ......................................4-11

Reverse knob “REV”......................4-11

Recoil starter..................................4-12

Fuel tank cap .................................4-13

Fuel cock........................................4-14

Starter (choke) ...............................4-15

Seat................................................4-16

Storage box....................................4-17

Front carrier ...................................4-17

Rear carrier ....................................4-17

U5FU13.book Page 1 Wednesday, April 24, 2002 11:02 AM

Front shock absorber

adjustment................................... 4-18

Rear shock absorber

adjustment................................... 4-20

Auxiliary DC jack........................... 4-21

PRE-OPERATION CHECKS ........... 5-1

Front and rear brakes ..................... 5-3

Fuel ................................................. 5-5

Engine oil ........................................ 5-7

Final gear oil.................................... 5-8

Differential gear oil .......................... 5-8

Throttle lever ................................... 5-8

Fittings and Fasteners .................... 5-8

Lights............................................... 5-9

Switches.......................................... 5-9

Tires ................................................ 5-9

How to measure tire pressure....... 5-11

Tire wear limit................................ 5-12

OPERATION ..................................... 6-1

Starting a cold engine...................... 6-1

Starting a warm engine ................... 6-3

Warming up ..................................... 6-3

Reverse knob operation and

reverse driving ............................... 6-4

Shifting............................................. 6-5

To start out and accelerate:............. 6-5

To decelerate:.................................. 6-6

Engine break-in ............................... 6-7

Parking............................................. 6-8

Parking on a slope........................... 6-9

Accessories and loading ............... 6-10

RIDING YOUR ATV .......................... 7-1

Getting to know your atv.................. 7-3

Ride with care and good

judgement...................................... 7-4

Be careful where you ride..............7-16

Turning your atv............................. 7-23

Climbing uphill ............................... 7-25

Riding downhill .............................. 7-30

Crossing a slope............................7-32

U5FU13.book Page 2 Wednesday, April 24, 2002 11:02 AM

Crossing through shallow water.... 7-34

Riding over rough terrain............... 7-36

Sliding and skidding ...................... 7-38

What to do if ... .............................. 7-40

What to do ... ................................. 7-40

PERIODIC MAINTENANCE

AND ADJUSTMENT ......................... 8-1

Owner’s manual and tool kit............ 8-1

Periodic maintenance/

lubrication ...................................... 8-3

Engine oil......................................... 8-5

Final gear oil .................................... 8-9

Differential gear oil replacement ... 8-11

Axle boots...................................... 8-13

Spark plug inspection.................... 8-13

Air filter cleaning............................ 8-14

Spark arrester cleaning ................. 8-17

Carburetor adjustment................... 8-18

Idle speed adjustment ................... 8-19

Valve clearance adjustment.......... 8-20

Throttle lever adjustment............... 8-20

Front brake pad inspection............ 8-21

Rear brake shoe inspection...........8-21

Brake fluid level inspection ............8-22

Brake fluid replacement .................8-23

Front brake adjustment..................8-24

Rear brake pedal and lever

adjustment ...................................8-25

Adjusting the rear brake light

switch ...........................................8-28

Clutch adjustment ..........................8-28

Cable inspection and lubrication....8-29

Brake and shift pedal/

brake lever lubrication..................8-30

Wheel removal...............................8-30

Wheel installation...........................8-31

Battery............................................8-32

Battery maintenance......................8-33

Fuse replacement ..........................8-33

Replacing a headlight bulb ............8-35

Headlight beam adjustment...........8-37

Tail/brake light bulb

replacement .................................8-37

Troubleshooting .............................8-39

Troubleshooting chart ....................8-40

U5FU13.book Page 3 Wednesday, April 24, 2002 11:02 AM

CLEANING AND STORAGE............ 9-1

A. Cleaning...................................... 9-1

B. Storage ....................................... 9-3

SPECIFICATIONS.......................... 10-1

NOISE REGULATION.................... 11-1

MAINTENANCE RECORD ............ 12-1

ATV LIMITED WARRANTY............ 13-1

YAMAHA EXTENDED SERVICE

(Y.E.S.) ........................................... 14-1

U5FU13.book Page 4 Wednesday, April 24, 2002 11:02 AM

1-1

EBU00464

LOCATION OF THE WARNING AND

SPECIFICATION LABELS

U5FU13.book Page 1 Wednesday, April 24, 2002 11:02 AM

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