Yamaha Moto-4 & Big Bear ATV (87-04) Clymer Repair Manual

This item will be dispatched directly by Haynes and will arrive separately from any other parts ordered.

Clymer ATV repair manuals are written specifically for the do-it-yourself enthusiast. From basic maintenance to troubleshooting to complete overhaul, Clymer manuals provide the information you need. The most important tool in your tool box may be your Clymer manual, get one today. Every Clymer manual contains hundreds of original photographs and illustrations developed from a complete disassembly and assembly of a motorcycle. This, in addition to extensive research, allows Clymer to achieve an unmatched level of detail, accuracy and clarity. The step-by-step instructions and two-column text with large print are user-friendly. Bold figure numbers make it easy to quickly match instructions with illustrations and photos. Thumb-tabbed chapters, numbered table of contents and an extensive index make it possible to locate the desired section quickly.

What's Covered

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)