The 2011 Polaris 600 RMK 155 is a high-performance mountain snowmobile engineered for challenging backcountry terrain. Featuring a 155-inch track for superior traction and flotation, a liquid-cooled 599cc Liberty parallel-twin engine with EFI, and a long-travel suspension, this model is designed for agility and deep snow capability. Its RMK chassis is optimized for weight transfer and responsive handling, making it a formidable machine for aggressive mountain riding. Polaris, a long-standing innovator in the powersports industry, has a rich heritage in snowmobile development, and the RMK series represents their dedication to delivering exceptional performance in extreme conditions. This comprehensive service repair manual provides detailed information for the complete maintenance and repair of the 2011 Polaris 600 RMK 155. It covers all essential systems, including the engine, fuel system, ignition, drive system, suspension, steering, brakes, and electrical components. The manual offers step-by-step instructions for scheduled maintenance, troubleshooting common issues, component overhaul, and system adjustments. With in-depth technical specifications, torque values, diagnostic charts, and clear diagrams, this manual is an indispensable resource for owners, mechanics, and technicians seeking to maintain the peak performance and ensure the longevity of their snowmobile.