by Sally F. Cutler
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Quote order code CM492-2
Yamaha PW50, PW80 Y-Zinger, BW80 Clymer Owners Service & Repair Manual Covers the following Models:
● Yamaha PW50 Y-Zinger, 1981-1983, 1985-1987, 1990-2002
● Yamaha PW80 Y-Zinger, 1983, 1985, 1991-2002
● Yamaha BW80 Big Wheel, 1986-1988, 1990
● QUICK REFERENCE DATA
● 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
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
● 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
● 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
● 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
● CLUTCH BW80 AND PW80
Right crankcase cover / Clutch service / Specifications
● FUEL SYSTEM
Carburetor / Carburetor cleaning and inspection / Carburetor rejetting / Fuel tank and fuel valve / Throttle cables / Choke cable / Specifications
● ELECTRICAL SYSTEM
Component testing / Capacitor discharge ignition / Flywheel / CDI unit / Ignition coil / Specifications
● 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
● FRONT SUSPENSION AND STEERING PW50
Front wheel / Front hub / Tyre changing / Handlebar / Steering head / Front forks / Specifications
● SUSPENSION AND STEERING BW80 AND PW80
Front wheel / Front hub / Handlebar / Steering head / Front forks / Tyre change BW80 / Specifications
● REAR SUSPENSION AND FINAL DRIVE PW50
Rear wheel / Rear arm / Final drive / Rear shock absorbers / Specifications
● REAR SUSPENSION BW80 AND PW80
Rear wheel / Rear hub / Final driven flange / Chain and sprockets / Tyre changing / Rear shock absorber / Rear swing arm / Specifications
Drum brakes / Brake levers and cables PW50 / Front brake cable / Rear brake pedal and rod / Specifications
Seat, side covers and rear fender / Front fender / Rear fender / Specifications
● WIRING DIAGRAMS
Clymer motorcycle repair manuals can save you money on maintenance and repair bills. Step-by-step procedures and detailed illustrations guide you through every job, from maintenance and troubleshooting, all the way to complete teardown and rebuild.
Please note that workshop manuals are usually written for models sold in a specific country. Differences in specification can exist between models sold in different countries and items such as engines can vary. Please check that the manual will cover your model before purchase and if you are unsure please contact us first.
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