This manual covers the 2006 Supermoto and Street Motard models, specifically the SM 400 R, SM 450 R, SM 510 R, and SMR 450 R. These motorcycles are known for their performance-oriented design, blending off-road capabilities with street-legal agility. Built with a focus on robust engineering and rider engagement, these models are engineered for enthusiasts seeking a dynamic riding experience. The comprehensive nature of this manual reflects the detailed attention required to maintain and optimize these specialized machines. This Service Repair Workshop Manual provides an exhaustive resource for owners and technicians alike. It details essential maintenance procedures, including scheduled servicing, fluid checks, and adjustments, alongside comprehensive repair instructions covering complete disassembly and re-assembly of all major systems. Key areas include engine overhauling, suspension and brake system maintenance, and electrical system diagnostics with detailed wiring diagrams. The manual's step-by-step instructions, supported by hundreds of photos, illustrations, and specific data like torque settings, are designed to ensure the vehicle remains in optimal working condition and to facilitate efficient troubleshooting and repair.