Yamaha WJ500, WR500, WR650, WRA650, WRB650 and SJ650 manual.
Clymer Marine and PWC manuals are the #1 source for DIY maintenance, troubleshooting and repair. With step-by-step procedures combined with detailed photography and extensive use of exploded parts views, Clymer manuals are a must-have tool for the do-it-yourselfer.
Models
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 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