This comprehensive service and repair manual provides detailed instructions and high-quality diagrams for servicing and repairing your Yamaha MM600D and MM700D snowmobiles. Covering everything from general information and periodic inspections to engine, carburetion, power train, chassis, electrical systems, and specifications, this manual is essential for anyone looking to maintain or repair their snowmobile. It includes detailed information on: * **General Information:** Get acquainted with your snowmobile and understand its basic functionality. * **Periodic Inspections and Tuning Adjustments:** Learn how to perform regular maintenance checks and fine-tune your snowmobile for optimal performance. * **Engine:** Dive into the heart of your snowmobile and understand its engine components, troubleshooting, and repair procedures. * **Carburetion:** Learn about the intricacies of your snowmobile's fuel system, how to diagnose issues, and perform repairs. * **Power Train:** Explore the components and functions of your snowmobile's transmission and drive system, including troubleshooting and repair guides. * **Chassis:** Discover the structure and components of your snowmobile's chassis, suspension, and steering systems, along with instructions for maintenance and repairs. * **Electrical:** Unravel the complexities of your snowmobile's electrical system, including wiring diagrams, troubleshooting, and repair techniques. * **Specifications:** Find all the essential technical data, dimensions, and specifications for your Yamaha MM600D and MM700D snowmobiles. This manual is your ultimate resource for understanding and maintaining your Yamaha snowmobile, empowering you to perform repairs and services with confidence.