Do you need to service your Yamaha PW80 or BW80 (Big Wheel) motorcycle? The Cyclepedia Press LLC Yamaha PW80 and BW80 printed service manual includes black and white photos, step by step instructions to help you care of your motorcycle. The Yamaha PW80 and BW80 are great motorcycles for kids. Unfortunately service often gets neglected on youth bikes until there is a problem. If you are having trouble starting your Yamaha PW80 and BW80 motorcycle, having problems with a carb that now needs cleaning or adjustment we can help. Maybe your clutch is not working right or you need to troubleshoot an ignition system problem - either way the CYCLEPEDIA PW80 and BW80 printed service manual has you covered. This Cyclepedia manual covers 1983 - 2006 Yamaha PW80 Y-Zinger and 1986 - 1990 BW80 Big Wheel motorcycles. This manual features detailed, black and white photographs and wiring diagrams, complete specifications with step-by-step procedures performed and written by a veteran Yamaha dealer trained motorcycle technician. Periodic Maintenance- Periodic Maintenance Chart, Clutch Cable Adjustment, Throttle Free Play, Engine Idle Speed, Drive Chain Adjustment, Brake Inspection, Transmission Oil, Spark Plug, Air Filter Servicing, Tires, Compression Test Quick Reference- Specifications, VIN and Engine Number Location, Torque Specifications Fuel System- Carburetor Removal, Carburetor Installation, Carburetor Assembly, Carburetor Disassembly, Fuel Tank, Carburetor Specifications, Fuel Strainer External Components- Side Covers, Seat, Footpegs, Front Number Plate, Handlebar, Front Fender, Rear Fender, Exhaust System Engine- Engine Specifications, Cylinder Head, Cylinder and Piston, Clutch, Gearshift, Kick Starter, Engine Removal, Engine Installation, Crankcase Splitting, Crankcase Assembly, Crankshaft, Crankcase Bearings, Transmission Final Drive- Drive chain, Engine Sprocket, Rear Wheel Sprocket Front Brake- Front Drum Brake, Brake Cable Rear Brake- Rear Drum Brake, Rear Brake Pedal Wheels- Wheel and Axle Inspection, Front Wheel, Rear Wheel, Bearing Replacement Steering - Steering Front Suspension- Fork Removal and Installation, Front Fork, Specifications, Suspension Settings Rear Suspension- Shock Absorbers, Specifications, Swing arm Electrical System- Electrical Specifications, Ignition System, Wiring Diagrams