This comprehensive repair manual provides detailed instructions and illustrations to help you service, repair, restore, maintain, rebuild, or diagnose your Yamaha SS440 snowmobile, covering models from 1981 to 1985. This manual is the same one used by professional technicians, mechanics, and workshops, making it a valuable resource for anyone working on their Yamaha SS440. It offers step-by-step guidance and troubleshooting information for a wide range of components and systems, including the engine, engine related items, fuel systems, engine electrical systems, chassis electrical systems, steering and body, drive train and brake systems, track/rear suspension, and troubleshooting. The manual covers all aspects of repairing your snowmobile, ensuring you have the information you need to tackle any repair job with confidence.