The 400 SX, produced between 2000 and 2007, is a high-performance motocross motorcycle renowned for its lightweight, powerful, and agile design. Engineered for competition, this model embodies a "Ready to Race" philosophy, offering exceptional handling and a potent engine optimized for demanding off-road use. Its robust construction and focus on performance make it a formidable machine in the motocross arena, reflecting a strong heritage in motorsports.

This comprehensive workshop service repair manual in English provides detailed guidance for the maintenance and repair of the 400 SX. It covers all essential systems, including the engine, transmission, chassis, suspension, brakes, electrical components, and fuel system. The manual offers step-by-step procedures for maintenance, troubleshooting, repairs, and rebuilds, along with critical technical specifications and diagnostic information. It is an indispensable resource for owners and technicians aiming to keep this performance-oriented motorcycle in peak condition.