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Yamaha WR500/650 (1987 - 1992)

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The original Haynes Repair Manual - Based on a complete stripdown and rebuild of a vehicle

Yamaha WR500/650 (1987 - 1992)

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What's Covered
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This Yamaha PWC manual is 400 pages.

CHAPTER ONE/GENERAL INFORMATION
Manual organization / Notes, cautions and warnings / Safety first / Service hints / Engine operation / Parts replacement / Clearing a submerged vehicle / Torque specifications / Fasteners / Lubricants / RTV gasket sealant / Threadlock / Basic hand tools / Precision measuring tools / Special tools / Mechanics tips / Ball bearing replacement / Oil seals / Specifications

CHAPTER TWO / TROUBLESHOOTING
Operating requirements / Emergency troubleshooting / Engine starting / Starting system / Charging system / Ignition system / Fuel system / Engine / Two-stroke pressure testing / Steering / Jet pump

CHAPTER THREE / LUBRICATION, MAINTENANCE AND TUNE-UP
Break-in procedure / 10-hour inspection / Lubrication / Lubrication system identification / Recommended fuel mixture / Fuel mixing / Oil injection service / Oil pump bleeding / Oil filter / Oil tank drain hose / Check valve / Oil tank / 50 and 100 hour maintenance schedule / Fuel filter / Water separator / Fuel filler cap / Fuel tank pickup / Cooling system flushing / Engine tune-up / Torque cylinder head bolts / Cylinder compression test / Spark plug / Ignition timing / Carburetor adjustment / Storage / Specifications

CHAPTER FOUR / ENGINE (500 CC)
Engine lubrication / Service precautions / Serial numbers / Servicing engine in hull / Special tools / Engine removal installation / Muffler housing and exhaust guide / Specifications

CHAPTER FIVE / ENGINE (650 CC)
Engine lubrication / Service precautions / Serial numbers / Servicing engine in hull / Special tools / Engine removal installation / Muffler housing / Engine top end / Cylinder / Piston, piston pin and piston rings / Crankcase and crankshaft / Specifications

CHAPTER SIX / DRIVE TRAIN
Intermediate shaft and housing / Jet pump / Ride plate adjustment / Specifications

CHAPTER SEVEN / FUEL AND WATER BOX SYSTEMS
Flame arrestor / Intake manifold and reed valve / Type I Type II Carburetor / Type III Carburetor /Fuel tank / Fuel valve / Water box / Specifications

CHAPTER EIGHT / ELECTRICAL SYSTEM
Battery / Charging system / Electric starting system / Flywheel and stator plate / Flywheel, idler gear and stator plate / Electric box / Switches / Fuel sender / Fuse / Wiring diagrams / Specifications

CHAPTER NINE / OIL INJECTION SYSTEM - WRA650 AND WRB650
Oil tank / Sub oil tank / Check valves / Oil tank breather valve / Oil pump / Specifications

CHAPTER TEN / BILGE SYSTEM

CHAPTER ELEVEN / STEERING SYSTEM
Steering assembly / Specifications

INDEX

WIRING DIAGRAMS

Models covered:
1987 1988 1989 1990 1991 1992 Yamaha WJ500
1987 1988 1989 1990 1991 1992 Yamaha WR500
1987 1988 1989 1990 1991 1992 Yamaha WR650
1987 1988 1989 1990 1991 1992 Yamaha WRA650
1987 1988 1989 1990 1991 1992 Yamaha WRB650
1987 1988 1989 1990 1991 1992 Yamaha SJ650

Clymer Manuals Yamaha WJ500 Manual
Clymer Manuals Yamaha WR500 Manual
Clymer Manuals Yamaha WR650 Manual
Clymer Manuals Yamaha WRA650 Manual
Clymer Manuals Yamaha WRB650 Manual
Clymer Manuals Yamaha SJ650 Manual

Yamaha WJ500 (1987-1992)
Yamaha WR500 (1987-1992)
Yamaha WR650 (1987-1992)
Yamaha WRA650 (1987-1992)
Yamaha WRB650 (1987-1992)
Yamaha SJ650 (1987-1992)

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