Yamaha Personal Watercraft 1987-1992 - General Info/Maintenance/Tune Up

Yamaha jet ski and water vehicles, 1987-1992. Part #: w805. 400 pages. Chapter one/general information. Chapter two / troubleshooting. 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 sj650. 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. Manufacturer: clymer.