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1987-1992 Yamaha WJ500 WR500 WR650 WRA650 WRB650 SJ650 PWC Service Repair 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)
This manual can be used by anyone from a first time owner/amateur to a professional https://www.tradebit.comy to read type,And give you all the information needed to do the procedure https://www.tradebit.comp this shop manual handy and use it often. Performing routine,preventive maintenance will save you time & money by helping to prevent premature failure and unnecessary repairs.
Manual Contents:
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
File Data
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