This manual covers the SM 400 Supermoto, a performance-oriented motorcycle produced for the 2004-2005 model years. Building on a rich heritage in off-road racing, the SM 400 is known for its potent single-cylinder engine, agile handling, and aggressive styling, making it a formidable machine in the supermoto segment. Designed for riders seeking a blend of street-legal capability and track-inspired performance, this model typically features a liquid-cooled, four-stroke engine of approximately 400cc displacement, a robust chassis, and high-quality suspension components. Its engineering prioritizes responsiveness and rider engagement, positioning it as a capable competitor against other performance motorcycles of its era.

This comprehensive service repair manual provides in-depth technical information essential for the maintenance, repair, and overhaul of the SM 400. It covers all major mechanical and electrical systems, including detailed procedures for engine disassembly and assembly, transmission servicing, chassis component maintenance, and electrical system diagnostics. The manual includes essential information on routine maintenance, troubleshooting common issues, and complete rebuild guidance. With hundreds of pages of detailed instructions, diagrams, and specifications, this resource is invaluable for owners and professional technicians aiming to preserve the performance and reliability of their SM 400.