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...