The Arctic Cat 550 H1 ATV TRV is a versatile utility vehicle designed for a range of activities including recreational riding, hunting, and farm work. Introduced in 2009, this model is recognized for its robust H1 engine platform, providing reliable power for its segment. A key feature is its two-up seating capability, indicated by the TRV designation, allowing for tandem riding. Known for solid engineering and dependable performance, the 550 H1 ATV TRV offers a practical and capable solution for various off-road demands, distinguishing itself through its focus on utility and passenger comfort. This comprehensive workshop service repair manual provides detailed guidance for the Arctic Cat 550 H1 ATV TRV. It covers essential maintenance procedures, in-depth troubleshooting diagnostics, and complete repair instructions for all major systems, including the engine, transmission, electrical systems, brakes, and suspension. The manual is designed to assist owners, mechanics, and technicians in maintaining the vehicle's optimal performance and longevity. With clear explanations, step-by-step instructions, and vital technical specifications, this resource ensures that all service and repair tasks can be performed accurately and efficiently.