The 2008 Polaris RMK 600 155 is a performance-oriented snowmobile engineered for aggressive backcountry terrain and deep snow riding. Building on Polaris's pioneering heritage in the snowmobile industry, the RMK line is renowned for its lightweight chassis, advanced suspension, and rider-forward ergonomics, designed to excel in challenging mountain environments. This model features a 599cc, liquid-cooled, 2-stroke engine, a CVT transmission, and a 155-inch track, all contributing to its exceptional climbing and handling capabilities. Its design philosophy emphasizes agility and power, making it a competitive choice for riders seeking peak performance in demanding conditions. This workshop repair service manual provides comprehensive information for the 2008 Polaris RMK 600 155 snowmobile. It covers all models and configurations, detailing engine systems, drivetrain, chassis, and electrical systems. Included are routine maintenance procedures, in-depth repair instructions for disassembly and assembly, troubleshooting guides for common issues, and essential technical specifications. This manual is an indispensable resource for owners, mechanics, and technicians, enabling them to perform all necessary maintenance and repairs to ensure the optimal performance, reliability, and longevity of their snowmobile.