This factory service manual covers the Yamaha Moto-4 series, including the YTM200, YFM200, and YTM225 models produced between 1983 and 1986. These robust, air-cooled, four-stroke ATVs were designed for both recreational riding and utility tasks, featuring reliable single-cylinder engines, shaft drive, and various transmission options including manual with reverse and automatic with torque converter. The Moto-4 series offered a dependable and user-friendly experience, establishing Yamaha's presence in the growing ATV market of the mid-1980s.

This comprehensive manual provides detailed instructions for the maintenance, repair, and troubleshooting of your Yamaha Moto-4. It covers all essential systems, including engine overhaul, fuel and carburetor systems, drivetrain, suspension, braking, and electrical components. With step-by-step procedures, diagnostic guidance, and technical specifications, this resource is invaluable for owners, mechanics, and technicians seeking to ensure the longevity and optimal performance of their vehicle.