This manual covers the SM 400 R, SM 450 R, and SM 510 R models produced between 2007 and 2008. These motorcycles represent a strong heritage in supermoto, blending off-road capabilities with street performance. Engineered with a robust single-cylinder, liquid-cooled engine available in 400cc, 450cc, and 510cc displacements, these bikes are known for their agile handling and dynamic performance. The chassis is typically a chromium-molybdenum steel trellis frame, providing excellent rigidity. These models are designed for riders seeking a spirited and capable machine for both spirited road riding and occasional track use, embodying a long-standing reputation for quality and performance in the motorcycle industry. This comprehensive Service Repair Workshop Manual provides full A-Z coverage for the SM 400 R, SM 450 R, and SM 510 R models from 2007-2008. It is designed to assist owners and technicians in maintaining and repairing these motorcycles. The manual details all major repair topics with professional-quality information, including step-by-step instructions for disassembly, assembly, maintenance procedures, and troubleshooting. Key areas covered include the engine, clutch, transmission, cooling, fuel, exhaust, ignition, and electrical systems, as well as brakes, wheels, steering, suspension, and frame/bodywork. Extensive use of high-quality pictures and diagrams is included to ensure clarity and accuracy in all repair and maintenance tasks.