The 2008 Polaris RMK 155 is a high-performance mountain snowmobile engineered for riders focused on backcountry exploration and challenging terrain. Built on the renowned RMK platform, it offers exceptional agility and deep snow capability, complemented by a torquey 600cc twin-cylinder engine designed to deliver reliable power for steep ascents. This model represents Polaris's commitment to innovation in the snowmobile industry, providing a machine built for demanding conditions and exhilarating rides. This comprehensive workshop service manual provides essential information for the mechanical technician and experienced DIY enthusiast. It covers all mechanical and electrical systems of the 2008 Polaris RMK 155 600, including detailed procedures for engine overhaul, fuel and ignition systems, drivetrain, suspension, steering, brakes, and electrical components. The manual also includes routine maintenance schedules, troubleshooting guides, and step-by-step repair instructions, ensuring owners can maintain their vehicle's peak performance and longevity.