This manual covers the 2007 Ski-Doo REV Platform Snowmobiles, a line renowned for its revolutionary rider-forward design, central mass engineering, and exceptional ergonomics. These performance and trail snowmobiles, manufactured by Bombardier Recreational Products (BRP), offer a dynamic riding experience across various models including the GSX, GTX, and MX Z, equipped with a range of Rotax engines from the efficient 550F to the powerful 800 HO Power TEK. The REV platform's innovative architecture provides superior handling and control, making these models a benchmark in snowmobile technology for their production year. This comprehensive Factory Authorized Service Manual provides essential information for maintaining and repairing your 2007 Ski-Doo REV model. It details procedures for engine overhaul, drivetrain systems, electrical components, and chassis maintenance, alongside scheduled maintenance intervals and troubleshooting guides for common issues. With over 800 pages of detailed instructions, diagrams, and technical specifications, this manual is an indispensable resource for owners, technicians, and mechanics seeking to ensure the optimal performance, reliability, and longevity of their snowmobile.