This manual covers the 2006 TRV 400 Automatic Transmission 4x4, a versatile utility and recreational crossover ATV. Designed for trail riding, light utility work, hunting, and general recreational use, this model features a liquid-cooled, 4-stroke single-cylinder engine, an Automatic CVT transmission with Hi/Lo range, and an on-demand 4WD system with a locking front differential. Its independent front and rear suspension enhances comfort and capability, making it a capable machine for various terrains and tasks. The TRV 400 is built with a focus on performance and user-friendly operation for its intended applications. This comprehensive parts manual provides detailed information essential for identifying and ordering components for your 2006 TRV 400. It includes exploded views, assembly sequences, and OEM part number cross-referencing for all major systems, including engine components, drivetrain, chassis, suspension, braking system, fuel and air intake, cooling system, electrical system, body, and wheels. The manual is designed to assist parts department personnel, service technicians, and experienced DIY enthusiasts in accurately maintaining and repairing the vehicle. The digital format ensures easy accessibility with printable, zoomable, and searchable text for efficient use.