Yamaha PW50 Y-Zinger, PW80 Y-Zinger and BW80 Big Wheel 81-02PW50 (1981-1983; 1985-1987; 1990-2002), PW80 (1983; 1985; 1991-2002), BW80 (1986-1988; 1990) |
Contents
TROUBLESHOOTING | 40 |
Spark plug Tires wheels and bearings | 74 |
CHAPTER FOUR | 99 |
Cleanliness Primary drive gear | 105 |
Exhaust system Kickstarter oil pump drive gear | 141 |
Cylinder head Transmission | 152 |
CHAPTER FIVE | 170 |
Engine identification Primary drive gear | 205 |
CHAPTER EIGHT | 272 |
CHAPTER NINE | 286 |
CHAPTER ELEVEN | 296 |
Front Suspension and Steering BW80 and PW80 | 312 |
Chapter Twelve 12 | 339 |
REAR SUSPENSION BW80 AND PW80 | 358 |
BRAKES | 375 |
CHAPTER FIFTEEN | 391 |
Cylinder Transmission shifting check | 227 |
Clutch BW80 and PW80 | 232 |
FUEL SYSTEM | 242 |
WIRING DIAGRAMS | 398 |
Common terms and phrases
2-stroke air filter align assembly axle bearing balls bearing race carburetor centerstand Chapter Three Check choke valve circlip Clean clearance clip clutch coil connecting rod connector cotter pin cracks crankcase crankshaft cylinder head damper rod described in Chapter dial indicator Disconnect drive chain engine exhaust pipe float bowl flywheel fork tube free play front fuel tank fuel valve gasket grease groove handlebar hose ignition ignition coil Inspect Install intake manifold kickstarter leaks locknut Loosen Lubricate mainshaft measure micrometer motorcycle mounting bolts mounting screws Note the following oil pump oil seal oil tank piston pin primary drive gear procedure PW80 models rear brake reed valve Remove Replace ring runout seat shown in Figure side Slide spark arrestor spark plug specification specified in Table spring stator plate steering stem Step sure threads throttle cable throttle valve tighten tire tool transmission oil turn washer wear Worn or damaged Yamaha