This manual covers motorcycles equipped with 250, 400, and 450cc four-stroke engines, from the 2004 model year onwards. These versatile machines are engineered for performance across various disciplines, from off-road endurance (TE) and motocross (TC) to street-focused supermoto (SM). A heritage is built on a foundation of robust engineering and competitive spirit, offering riders a blend of power, agility, and durability. The four-stroke engine variants, typically featuring DOHC valve trains and advanced fuel injection systems, provide a potent and responsive riding experience, making these models a choice for enthusiasts seeking a capable and engaging motorcycle.

This comprehensive Service Repair Manual provides in-depth technical information for the maintenance, repair, and rebuilding of your motorcycle. It details procedures for all major systems, including the engine, transmission, chassis, suspension, brakes, and electrical components. Within its hundreds of pages, you will find essential diagnostic techniques, troubleshooting guides for common issues, detailed disassembly and assembly instructions, critical torque specifications, and precise clearances and tolerances. This manual is an indispensable resource for owners and technicians alike, enabling effective upkeep and ensuring the longevity and optimal performance of your motorcycle.