This manual covers the All-Terrain Vehicles (ATVs) from the 2009 model year, including the 400 TRV, 500 Automatic, 500 Manual, 550 H1, 550 H1 TRV, 700H1, 700 H1 Cruiser, Thundercat, and 1000 H2 Cruiser. The brand is renowned for its off-road and snowmobile products, and these ATVs represent a robust lineup, many featuring the SOHC liquid-cooled 4-stroke H1 engine platform. These vehicles are engineered for a range of uses, from utility tasks to recreational trail riding, offering dependable performance and durability. The 2009 lineup highlights advancements in engine technology and chassis design, providing riders with capable and versatile off-road machines. This comprehensive service and repair manual is designed for both do-it-yourself enthusiasts and professional mechanics. It provides detailed instructions for maintaining and repairing all major systems, including the engine, transmission (both automatic and manual), fuel and lubrication systems, cooling, electrical system, drive system, suspension, steering, and frame. The manual includes periodic maintenance schedules, complete disassembly and rebuild procedures, extensive troubleshooting guides, and diagnostic information. With hundreds of photos, detailed illustrations, exploded diagrams, and torque specifications, this guide ensures owners and technicians can effectively perform all necessary service, from basic upkeep to complex repairs, keeping their ATVs in optimal working condition.