Download or read book Four-Stroke Motocross and Off-Road Performance Handbook written by Eric Gorr and published by Motorbooks. This book was released on 2011-07-10 with total page 160 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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