This comprehensive repair service manual covers the 400, 500, 550, 700, and 1000 Series vehicles from the 2009 model year. These versatile machines are engineered for a range of applications, featuring robust construction and reliable performance. Models include the TRV 400 (2-up), 500, 550 H1 EFI, TRV 550 H1 EFI (2-up), 700 H1 EFI, TRV 700 H1 EFI Cruiser (2-up), TRV 1000 H2 EFI Cruiser (2-up), and Thundercat 1000 H2. Many are equipped with powerful H1 or H2 EFI engines, liquid-cooling systems, and automatic/CVT transmissions with 2WD/4WD capabilities, making them suitable for demanding off-road use. This English-language manual provides essential information for the maintenance, repair, and restoration of these vehicles. It contains detailed, illustrated step-by-step instructions for all repair procedures, comprehensive rebuild guidance, and recommended maintenance schedules to ensure optimal performance and longevity. The manual also includes diagnostic procedures and troubleshooting steps, making it an invaluable resource for owners, mechanics, and technicians alike. Its thorough coverage, designed for professional use, ensures that all aspects of vehicle upkeep can be addressed with accuracy and efficiency.