This comprehensive factory repair manual provides detailed instructions for the complete tear-down and rebuild of your 1980-1985 Yamaha SS440 snowmobile. It covers every aspect of maintenance, troubleshooting, and repair, ensuring you have the information you need to keep your snowmobile running smoothly. The manual features numerous pictures and part diagrams to guide you through each step, along with precise torque specifications to guarantee proper assembly. You'll find in-depth explanations on everything from basic maintenance tasks to complex engine overhauls, ensuring you have the knowledge to handle any repair. This manual also includes detailed troubleshooting sections, allowing you to identify and resolve common issues quickly and efficiently. With its comprehensive coverage and user-friendly format, this repair manual is an essential resource for any Yamaha SS440 owner who wants to maintain and repair their snowmobile.