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Yamaha YFM400FW Big Bear 4-WD (2000 - 2004)

Complete coverage for your vehicle

Written from hands-on experience gained from the complete strip-down and rebuild of a Yamaha YFM400FW Big Bear 4-WD, Haynes can help you understand, care for and repair your Yamaha YFM400FW Big Bear 4-WD. We do it ourselves to help you do-it-yourself, and whatever your mechanical ability, the practical step-by-step explanations, linked to over 900 photos, will help you get the job done right. Regular servicing and maintenance of your Yamaha YFM400FW Big Bear 4-WD can help maintain its resale value, save you money, and make it safer to drive.

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Choose the Haynes manual that is right for you with our complete comparison guide Printed manualThe original and best, delivered to your door Online manualA feature-loaded digital edition of the original manual
Maintenance schedule Simple weekly checks and servicing guides to keep you on the road Printed manual Digital manual
Comprehensive procedures Guide you through every step from minor adjustments to major overhaul Printed manual Digital manual
Fully illustrated With hundreds of photos Printed manual Digital manual
Hints and practical advice From the DIY experts provide inside information Printed manual Digital manual
Specifications and data Enable testing and measuring for wear Printed manual Digital manual
Wiring diagrams Enable tracing of electrical faults Printed manual Digital manual
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Print-at-home Take the sections you need to the workshop Printed manual Digital manual

Printed manual

The original and the best, delivered to your door
Au $49.95
Au $39.96

Online manual

All the content of a printed manual, plus much more
Au $29.99
1 year subscription

What's covered

What's covered: 
Yamaha YFM400FW Big Bear 4-WD, 2000-2004
Yamaha YFM400 Big Bear 2-WD, 2000-2004
Yamaha YFM400 Big Bear 2-WD, 1987-1999
Yamaha YFM350 Moto-4 2-WD, 1987-1999

Table of contents

This Yamaha ATV manual is 680 pages.

QUICK REFERENCE DATA

CHAPTER ONE / GENERAL INFORMATION
Manual organization / Notes, cautions and warnings / Safety first / Service hints / Washing the vehicle / Special tips / Torque specifications / Fasteners / Lubricants / RTV gasket sealant / Gasket remover / Threadlocking compound / Expendable supplies / Serial numbers / Warning and information labels / Basic hand tools / Precision measuring tools / Test equipment / Special tools / Fabricating tools / Mechanic's tips / Bearing replacement / Seals / Riding safety / Off Road rules / Storage / Specifications

CHAPTER TWO / TROUBLESHOOTING
Operating requirements / Troubleshooting instruments / Starting the engine / Starting difficulties / Engine starting troubles / Engine is difficult to start / Poor idle speed performance / poor medium to high speed performance / Starting system / Charging system / Ignition system / Fuel system / Engine overheating (1987-1998 2-wheel drive and 1987-1997 4-wheel drive models) / Engine noises / Engine leak down test / Clutch / Transmission / Drive train noise / Handling / Frame noise / Brakes

CHAPTER THREE / LUBRICATION, MAINTENANCE AND TUNE-UP
Pre-ride check list / Maintenance service schedule intervals / Periodic lubrication / Engine oil and filter change / Front differential gearcase oil change / Rear final drive gearcase oil change / Control cable lubrication / Non-schedule lubrication / Periodic maintenance / Non-scheduled maintenance / Tune-up / Air filter / Valve clearance / Cylinder compression / Spark plug / Ignition timing / Pilot air screw adjustment / Idle speed adjustment / Storage /Specifications

CHAPTER FOUR / ENGINE TOP END
Cylinder head / Decompression camshaft / Camshaft and rocker arms / Camshaft chain / Chain guides / Valves and components / Cylinder block / Piston and rings /Specifications

CHAPTER FIVE / ENGINE BOTTOM END
Removal installation / Middle drive gear / Transfer gear assembly / Balancer gear and oil pump drive gear assembly / Oil pump / Internal oil pipe / External oil pipe / Oil cooler / Magneto stator and stator housing / Magneto rotor and starter clutch / Crankcase and crankshaft / Recoil starter / Break-in /Specifications

CHAPTER SIX / CLUTCH AND EXTERNAL SHIFT MECHANISM
Clutch cover / Clutch release lever mechanism / One-way clutch check / External shift mechanism /Specifications

CHAPTER SEVEN / TRANSMISSION, SELECT LEVER AND INTERNAL SHIFT MECHANISM
Transmission reverse system identification / Middle drive shaft / Reverse gear and shaft / High/low combination gear assembly / Internal shift mechanism / Transmission range select lever /Specifications

CHAPTER EIGHT / FUEL AND EXHAUST SYSTEMS
Carburetor / Carburetor adjustments / Throttle cable / Throttle lever housing / Fuel tank / Fuel shutoff valve / Air filter air box / Exhaust system /Specifications

CHAPTER NINE / ELECTRICAL SYSTEM
Charging system / Stator charging coil / Voltage regulator/rectifier / Capacitor discharge ignition / Ignition coil / CDI magneto (stator source and pickup coils) / Starting system / Starter relay / Lighting system / Indicator light system / Meter / Switches / Relays / Fuse / Circuit breaker / Wiring diagrams /Specifications

CHAPTER TEN / FRONT SUSPENSION AND STEERING
Front wheel / Front hub brake drum / Front spindle / Front suspension / Shock absorber / Steering knuckle / Control arm / Handlebar / Tie rods / Steering shaft / Tires and wheels /Specifications

CHAPTER ELEVEN / FRONT DRIVE MECHANISM FOUR-WHEEL DRIVE
Front axle / Front differential gearcase / Front drive shaft /Specifications

CHAPTER TWELVE / REAR SUSPENSION
Rear wheels / Rear hub / Brake drum / Rear axle / Final drive unit and short drive shaft / Shock absorber / Swing arm /Specifications

CHAPTER THIRTEEN / BRAKES
Front brake / Front drum brake / Front master cylinder / Rear brake disc / Rear drum brake hub / Front brake hose / Rear brake pedal / Brake bleeding /Specifications

CHAPTER FOURTEEN / BODY
Seat / Front guard / Front bumper / Front carrier/rack / Rear carrier/rack / Rear guard / Fuel tank cover assembly / Front fender / Rear fender / Foot rests /Specifications

SUPPLEMENT / 1999-ON 2-WHEEL DRIVE, 1998-ON 4-WHEEL DRIVE MODEL SERVICE INFORMATION

INDEX

WIRING DIAGRAMS

Models covered:
1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 Yamaha YFM350 2-WD YFM 350 2 two wheel drive
1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 Yamaha YFM350FW 4-WD YFM 350FW YFM 350 FW four wheel drive 4
2000 2001 2002 2003 2004 Yamaha YFM400 2-WD YFM 400 2 two wheel drive
2000 2001 2002 2003 2004 Yamaha YFM400FW 4-WD YFM 400FW YFM 400 FW Four wheel drive 4

Clymer Yamaha YFM350 Moto-4 Two Wheel Drive 2X4 Manual
Clymer Yamaha YFM350FW Moto-4 Four Wheel Drive 4X4 Manual
Clymer Yamaha YFM400 Big Bear Two Wheel Drive 2X4 Manual
Clymer Yamaha YFM400FW Big Bear Four Wheel Drive 4X4 Manual

YFM350 Moto-4 2-WD (1987-1999)
YFM350FW Moto-4 4-WD (1987-1999)
YFM400 Big Bear 2-WD (2000-2004)
YFM400FW Big Bear 4-WD (2000-2004)

Print manual

More details
Part number: 
CM4903
ISBN-13: 
9780892879304
Language: 
English
Publication date: 

Online manual

More details
Part number: 
AUCM4903
Language: 
English

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