This manual covers the 2004 Polaris Deep Snow 600, 700, and 800 models, including the Trail, Switchback, and RMK variants. These snowmobiles are engineered for demanding off-trail and trail riding conditions, offering robust performance and reliability. This comprehensive guide is designed to assist owners and technicians in understanding and maintaining these capable machines, ensuring optimal operation and longevity. The purpose of this service manual is to provide detailed instructions for the maintenance, repair, and troubleshooting of your Polaris snowmobile. It includes extensive information on general procedures, engine and fuel systems, clutching, body and steering, suspensions, final drive, and electrical systems, complete with wiring diagrams. With step-by-step instructions, critical notes, and detailed illustrations, this manual serves as an indispensable resource for keeping your vehicle in peak condition.