Four-Stroke Motocross and Off-Road 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• Electrical systems