Yamaha BIG BEAR 400 Manual de usuario

5FU-F8199-16LIT-11626-19-08

READ THIS MANUAL CAREFULLY!

It contains important safety information.

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

WARNING

YFM400FV

OWNER’S MANUAL

EBU00776

EBU00941

INTRODUCTION

Congratulations on your purchase of the Yamaha YFM400F. 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.

EE.book Page 1 Thursday, March 31, 2005 2:01 PM

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.

EE.book Page 1 Thursday, March 31, 2005 2:01 PM

EBU15000

IMPORTANT NOTICE

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

ate this ATV on any public street, road or highway.

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

lations in effect at the time of manufacture.

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

EBU01067

AFFIX DEALER

LABEL HERE

YFM400FV

OWNER’S MANUAL

U.S.A.

1st edition, February 2005

unauthorized use without the written

permission of

Yamaha Motor Corporation,

U.S.A. is expressly prohibited.

Printed in U.S.A.

P/N LIT-11626-19-08

EE.book Page 2 Thursday, March 31, 2005 2:01 PM

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

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

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

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

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

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

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

Brake pedal and rear brake

lever ...............................................4-9

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

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

Reverse knob.................................4-11

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

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

Fuel cock........................................4-13

Starter (choke) ...............................4-14

Seat................................................4-15

Storage box....................................4-16

Front carrier ...................................4-16

Rear carrier ....................................4-16

EE.book Page 1 Thursday, March 31, 2005 2:01 PM

Front shock absorber

adjustment................................... 4-17

Rear shock absorber

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

Auxiliary DC jack........................... 4-19

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

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

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

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

Final gear oil.................................... 5-7

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

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

Fittings and fasteners...................... 5-8

Lights............................................... 5-8

Switches.......................................... 5-8

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

EE.book Page 2 Thursday, March 31, 2005 2:01 PM

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 chart for

the emission control system.......... 8-3

General maintenance and

lubrication chart ............................. 8-4

Engine oil and oil filter element ....... 8-6

Final gear oil .................................. 8-11

Differential gear oil......................... 8-14

Axle boots...................................... 8-16

Spark plug inspection.................... 8-17

Air filter element cleaning.............. 8-18

Spark arrester cleaning ................. 8-21

Carburetor adjustment................... 8-22

Idle speed adjustment ................... 8-23

Valve clearance adjustment.......... 8-24

Reverse lock release cable

adjustment ...................................8-24

Throttle lever adjustment ...............8-24

Front brake pad check...................8-25

Rear brake shoe inspection...........8-25

Brake fluid level check ...................8-26

Brake fluid replacement .................8-27

Front brake lever free play.............8-28

Brake pedal and rear brake lever

adjustment ...................................8-29

Adjusting the rear brake light

switch ...........................................8-32

Clutch adjustment ..........................8-33

Cable inspection and lubrication....8-34

Brake and shift pedal/

brake lever lubrication..................8-34

Wheel removal...............................8-35

Wheel installation...........................8-35

Battery............................................8-37

Battery maintenance......................8-38

Fuse replacement ..........................8-39

Replacing a headlight bulb ............8-41

Headlight beam adjustment...........8-44

EE.book Page 3 Thursday, March 31, 2005 2:01 PM

Tail/brake light bulb

replacement ................................ 8-44

Troubleshooting ............................ 8-46

Troubleshooting chart ................... 8-47

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

EETOC.fm Page 4 Monday, April 4, 2005 8:47 AM

1-1

EBU00464

LOCATION OF THE WARNING AND

SPECIFICATION LABELS

EE.book Page 1 Thursday, March 31, 2005 2:01 PM

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