• MOTORCYCLE SERVICE MANUAL

MOTORCYCLE SERVICE MANUAL

MOTORCYCLE SERVICE MANUAL

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MODELS COVERED:

PW50 Y-Zinger (1981-1983, 1985-1987, 1990-2002)
PW80 Y-Zinger (1983, 1985, 1991-2002)
BW80 Big Wheel (1986-1988, 1990)

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

Materials

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Dimensions

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Care Instructions

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Product Specifications

General Information

Brandclymer
Label@YAMAHA PW50 Y-ZINGER, PW80 Y-ZINGER, BW80 81-02
Universemoto
Categorymanuel_d_entretien
Supplier Part #CM4922
ITL ID252-M4922

Dimensions & Physical

Weight 1.72 lbs
Length10.25
Width7
Thickness0.75

Vehicle Fitment

Total Applications38
Applications YAMAHA BW80 1988YAMAHA BW80 1989YAMAHA PW50 1981YAMAHA PW50 1982YAMAHA PW50 1983YAMAHA PW50 1984YAMAHA PW50 1985YAMAHA PW50 1986YAMAHA PW50 1987YAMAHA PW50 1988YAMAHA PW50 1989YAMAHA PW50 1990YAMAHA PW50 1991YAMAHA PW50 1992YAMAHA PW50 1993YAMAHA PW50 1994YAMAHA PW50 1995YAMAHA PW50 1996YAMAHA PW50 1997YAMAHA PW50 1998YAMAHA PW50 1999YAMAHA PW50 2000YAMAHA PW50 2001YAMAHA PW50 2002YAMAHA PW80 1983YAMAHA PW80 1984YAMAHA PW80 1985YAMAHA PW80 1992YAMAHA PW80 1993YAMAHA PW80 1994YAMAHA PW80 1995YAMAHA PW80 1996YAMAHA PW80 1997YAMAHA PW80 1998YAMAHA PW80 1999YAMAHA PW80 2000YAMAHA PW80 2001YAMAHA PW80 2002
Makes YAMAHA
Models BW80PW50PW80
Years 1981198219831984198519861987198819891990199119921993199419951996199719981999200020012002

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Highlight 1

Built for everyday use, the product features carefully chosen components that balance durability with visual appeal.

Highlight 2

Featuring a streamlined and compact design, the product is crafted to fit seamlessly into a variety of spaces and lifestyles.

Highlight 3

We offer a hassle-free returns policy to ensure your complete satisfaction. If you're not happy, simply return it within 30 days for a full refund.

Does it come with a warranty?

most items in store come with a manufacture defect warranty to give you peace of mind. we always strive to keep our customers happy with any issues on fitment or quality.

What happens if what i ordered does not fit?

If what you ordered does not fit, we will do a quick check for fitment via pictures of the item and your machine to verify. if the fitment widget was wrong-return cost is on us and a refund or instore credit will apply. Any other return is subject to a re-stocking fee and customer pays for return freight.

How fast is shipping?

most products leave same day if orderd before 11am. or next day if after that. delivery is anywhere from 2-7 days depending location in canada.

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