Yamaha PW50/80 Y-Zinger & BW80 Big Wheel Motorcycle (1981-2002) Clymer Repair Ma

The online edition of this manual will be available immediately without download. The physical manual will be dispatched directly by Haynes and will arrive separately from any other parts ordered.

Clymer motorcycle 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.

The Haynes Online Manual gives you the trusted content of the famous printed Workshop Manual with extra features to get the job done. Online Manuals provide the following benefits: Troubleshooting tool for fast diagnosis of common problems. Colour-coded wiring diagrams for key systems. Videos tutorials for common DIY tasks. Colour photographs with approximately 750 in each manual. Photos can be zoomed in to observe key details. Fully searchable Dictionary of automotive terms. Hyperlinks to additional relevant information in other manual chapters. Print any page at home.

Yamaha PW50 Y-Zinger, PW80 Y-Zinger and BW80 Big Wheel manual.

What's Covered

THIS YAMAHA MOTORCYCLE MANUAL IS 416 PAGES.

QUICK REFERENCE DATA

• CHAPTER ONE / GENERAL INFORMATION
• MANUAL ORGANIZATION / NOTES, CAUTIONS AND WARNINGS / MESSAGE TO PARENTS / SAFETY FIRST / CLEANING PARTS / HANDLING GASOLINE SAFELY / SERVICE HINTS / SERIAL NUMBERS / WARNING LABELS / TORQUE SPECIFICATIONS / FASTENERS / LUBRICANTS/ SEALANTS, CEMENTS AND CLEANERS / THREADLOCKING COMPOUND / EXPENDABLE SUPPLIES / BASIC HAND TOOLS / PRECISION MEASURING INSTRUMENTS / TEST EQUIPMENT / SPECIAL TOOLS / MECHANIC'S TIPS / BALL BEARING REPLACEMENT / SEALS / SPECIFICATIONS

• CHAPTER TWO / TROUBLESHOOTING
• OPERATING REQUIREMENTS / ENGINE OPERATING PRINCIPLES / STARTING THE ENGINE / STARTING DIFFICULTIES / ENGINE STARTING TROUBLES / ENGINE PERFORMANCE / ENGINE / ENGINE NOISES / TWO-STROKE LEAK DOWN TEST / FUEL SYSTEM / ELECTRICAL TROUBLESHOOTING / IGNITION SYSTEM / CLUTCH AND GEARSHIFT LINKAGE / TRANSMISSION / KICKSTARTER / DRIVE TRAIN NOISE (PW50) / DRIVE TRAIN NOISE (BW80 AND PW80) / OIL INJECTION SYSTEM / HANDLING/ BRAKES / SPECIFICATIONS

• CHAPTER THREE / LUBRICATION, MAINTENANCE AND TUNE-UP
• SERVICE INTERVALS / TUNE-UP / ENGINE OIL / TRANSMISSION OIL / AIR FILTER / SPARK PLUG / CARBURETOR / EXHAUST SYSTEM / OIL PUMP AND ENGINE OIL LINES / ENGINE COMPRESSION CHECK / IGNITION TIMING / CONTROL CABLE LUBRICATION / THROTTLE AND OIL PUMP CABLE ADJUSTMENT / SPEED LIMITER ADJUSTMENT / BRAKE LUBRICATION, INSPECTION AND CABLE ADJUSTMENT / FINAL GEAR LUBRICATION PW50 / DRIVE CHAIN BW80 AND PW80 / FRONT FORK OIL CHANGE BW80 AND PW80 / SPECIFICATIONS

• CHAPTER FOUR / ENGINE PW50
• ENGINE IDENTIFICATION / ENGINE LUBRICATION / EXHAUST SYSTEM / CYLINDER HEAD / CYLINDER / PISTON, PIN AND RING / REED VALVE ASSEMBLY / CLUTCH / PRIMARY DRIVE GEAR / KICKSTARTER, OIL PUMP DRIVE GEAR AND KICK PINION GEAR / TRANSMISSION / CRANKCASE AND CRANKSHAFT / BREAK-IN / SPECIFICATIONS

• CHAPTER FIVE / ENGINE BW80 AND PW80
• ENGINE IDENTIFICATION / ENGINE LUBRICATION / EXHAUST SYSTEM / ENGINE / CYLINDER HEAD / CYLINDER / PISTON, PISTON PIN AND PISTON RING / REED VALVE ASSEMBLY / PRIMARY DRIVE GEAR AND OIL PUMP DRIVE GEAR / KICKSTARTER / EXTERNAL SHIFT MECHANISM / CRANKCASE AND CRANKSHAFT / TRANSMISSION / BREAK-IN / SPECIFICATIONS

• CHAPTER SIX / CLUTCH BW80 AND PW80
• RIGHT CRANKCASE COVER / CLUTCH SERVICE / SPECIFICATIONS

• CHAPTER SEVEN / FUEL SYSTEM
• CARBURETOR / CARBURETOR CLEANING AND INSPECTION / CARBURETOR REJETTING / FUEL TANK AND FUEL VALVE / THROTTLE CABLES / CHOKE CABLE / SPECIFICATIONS

• CHAPTER EIGHT / ELECTRICAL SYSTEM
• COMPONENT TESTING / CAPACITOR DISCHARGE IGNITION / FLYWHEEL / CDI UNIT / IGNITION COIL / SPECIFICATIONS

• CHAPTER NINE / OIL INJECTION SYSTEM
• OIL PUMP CABLE ADJUSTMENT / OIL PUMP BLEEDING / OIL PUMP PLUNGER STROKE ADJUSTMENT / OIL PUMP / OIL HOSES / OIL TANK / OIL PUMP OUTPUT TEST PW50 / OIL PUMP OUTPUT TEST BW80 AND PW80 / SPECIFICATIONS

• CHAPTER TEN / FRONT SUSPENSION AND STEERING PW50
• FRONT WHEEL / FRONT HUB / TIRE CHANGING / HANDLEBAR / STEERING HEAD / FRONT FORKS / SPECIFICATIONS

• CHAPTER ELEVEN / FRONT SUSPENSION AND STEERING BW80 AND PW80
• FRONT WHEEL / FRONT HUB / HANDLEBAR / STEERING HEAD / FRONT FORKS / TIRE CHANGE BW80 / SPECIFICATIONS

• CHAPTER TWELVE / REAR SUSPENSION AND FINAL DRIVE PW50
• REAR WHEEL / REAR ARM / FINAL DRIVE / REAR SHOCK ABSORBERS / SPECIFICATIONS

• CHAPTER THIRTEEN / REAR SUSPENSION BW80 AND PW80
• REAR WHEEL / REAR HUB / FINAL DRIVEN FLANGE / CHAIN AND SPROCKETS / TIRE CHANGING / REAR SHOCK ABSORBER / REAR SWING ARM / SPECIFICATIONS

• CHAPTER FOURTEEN / BRAKES
• DRUM BRAKES / BRAKE LEVERS AND CABLES PW50 / FRONT BRAKE CABLE / REAR BRAKE PEDAL AND ROD / SPECIFICATIONS

• CHAPTER FIFTEEN / BODY
• SEAT, SIDE COVERS AND REAR FENDER / FRONT FENDER / REAR FENDER / SPECIFICATIONS

  INDEX

  WIRING DIAGRAMS

  MODELS COVERED:

• 1986 1987 1988, 1990 YAMAHA BW80 BW 80 BIG WHEEL
• 1981 1982 1983, 1985 1986 1987, 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 YAMAHA PW50 PW 50 Y-ZINGER
• 1983, 1985, 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 YAMAHA PW80 PW 80 Y-ZINGER

  CLYMER MANUALS YAMAHA PW50 Y-ZINGER MANUAL

• CLYMER MANUALS YAMAHA PW80 Y-ZINGER MANUAL
• CLYMER MANUALS YAMAHA BW80 BIG WHEEL MANUAL

  PW50 Y-ZINGER (1981-1983, 1985-1987, 1990-2002)

• PW80 Y-ZINGER (1983, 1985, 1991-2002)
• BW80 BIG WHEEL (1986-1988, 1990)