This comprehensive repair manual provides detailed instructions for servicing and repairing Ski-Doo Formula snowmobiles manufactured between 1985 and 1989. It covers a wide range of topics, including complete engine teardown and rebuild, detailed illustrations and part diagrams for easy identification, precise torque specifications, routine maintenance procedures, troubleshooting guides to diagnose and resolve common issues, and much more. With its thorough approach and user-friendly format, this manual is an essential tool for anyone looking to perform repairs or maintenance on their Ski-Doo Formula snowmobile.