This comprehensive Factory Service Shop Manual provides essential information for the 2004 Ski-Doo Rev Series snowmobiles. The REV platform, introduced as a revolutionary redesign, focuses on rider ergonomics, mass centralization, and enhanced control, setting a new industry standard. This manual covers a wide array of models, including various configurations of Carburetor Electric Start, Carburetor Manual Start, Rev SDI, GSX LTD, GSX Sport, MX Z Adrenaline, MX Z Renegade, MX z Renegade X, MX Z Trail, MX Z X, MX Z X HOSDI, MX Z X HO, Summit Adrenaline HO, Summit Highmark HO, Summit Highmark X HO, Summit Sport HO, and Summit X HO. It is designed to offer authentic, factory-backed repair and maintenance data, serving as a definitive resource for owners and technicians. The purpose of this 436-page manual is to equip users with the knowledge necessary for maintaining and repairing their 2004 Ski-Doo Rev Series snowmobile. It offers OEM-level detail across all major systems, including the engine (Rotax 2-TEC variants), transmission, electrical system, rear and front suspension, steering, and body/frame. Coverage includes detailed maintenance schedules, fluid specifications, troubleshooting guides, diagnostic procedures, and step-by-step repair instructions for complete overhauls. The manual also features extensive wiring diagrams, technical data, and specific procedures for both carbureted and Rev SDI engine configurations, ensuring comprehensive support for a wide range of maintenance and repair tasks.