The 2008 Polaris 600 RMK Shift 155 is a specialized snowmobile designed for mountain and freeride enthusiasts. Built upon Polaris's strong heritage in powersports, this model is recognized for its high-performance chassis, powerful 600cc Liberty engine, and exceptional deep snow capability. The RMK line, a flagship for Polaris, has consistently evolved to meet the demands of challenging terrain, and the 'Shift' designation typically indicates a configuration optimized for mountain performance. This snowmobile combines engineering quality and reliability, making it a respected choice for riders seeking adventure in demanding snow conditions. This factory service manual provides comprehensive information for the maintenance, repair, and diagnostics of the 2008 Polaris 600 RMK Shift 155. It covers essential areas including engine mechanicals, fuel and electrical systems, drivetrain, chassis, suspension, and braking. Within its extensive pages, you will find detailed procedures for routine maintenance, troubleshooting common issues, and complete rebuilding of key components. The manual also includes technical specifications, wiring diagrams, and guidance on special tools, ensuring that owners, mechanics, and technicians have the necessary resources to maintain the optimal performance and longevity of their snowmobile.