The 550 TRV is a versatile All-Terrain Vehicle (ATV) designed for a wide range of applications, from recreational trail riding to demanding work on farms and hunting grounds. Introduced in 2011, this model is recognized for its two-up riding capability, allowing for comfortable passenger transport. Built with a focus on utility and robust performance, the 550 TRV features a liquid-cooled, 493cc, single-cylinder engine with electronic fuel injection, delivering reliable power for various terrains. Its engineering emphasizes durability and the capacity to handle tough conditions, making it a capable companion for outdoor enthusiasts and workers alike. This comprehensive workshop service manual provides essential information for the maintenance and repair of the 2011 550 TRV ATV. It covers all major systems, including the engine, fuel system, transmission, drivetrain, suspension, brakes, steering, and electrical systems. Detailed procedures for routine maintenance, component overhaul, troubleshooting, and adjustments are included, along with extensive wiring diagrams and technical specifications. This manual is an indispensable resource for owners, technicians, and mechanics seeking to ensure the optimal performance, longevity, and safe operation of their 550 TRV.