Four-stroke motocross and off-road motorcycle performance handbook

This thorough how-to manual helps the off-road motorcycle enthusiast get the most out of their machine. This one-stop reference covers everything from basic maintenance to performance modifications, including: engine rebuilding; transmission rebuilding; clutch repair and rebuilding; big-bore kits; cam kits and valve timing and tuning; tuning stock suspension; suspension revalving and kits; jetting and tuning carburetors; tuning electronic fuel injection; wheels, tires, and brakes; chains and sprockets; cooling systems; and electrical systems.