The 450 TRV, produced between 2010 and 2012, is a versatile All-Terrain Vehicle (ATV) designed for utility and recreational use. As part of a robust lineup, known for its snowmobile and ATV manufacturing heritage, the 450 TRV typically offers two-up riding capability, making it suitable for various tasks and adventures. This model features a 443cc, 4-stroke, liquid-cooled engine with EFI, paired with a CVT transmission that includes Hi/Lo range and Reverse, and selectable 2WD/4WD drive modes. Its construction prioritizes reliability and performance, equipped with hydraulic disc brakes for effective stopping power and designed to handle demanding terrains. This comprehensive service repair manual provides extensive guidance for the 450 TRV ATV covering the 2010, 2011, and 2012 model years. It details general information, technical specifications, periodic maintenance, tune-up procedures, and in-depth repair instructions for all major systems, including the engine, transmission, fuel system, electrical system, suspension, and more. With hundreds of pages, this manual includes step-by-step repair and rebuild procedures, diagnostic guidance, and hundreds of photos and illustrations to assist both DIY enthusiasts and professional mechanics in maintaining, troubleshooting, and repairing the vehicle, ultimately saving time and money.