This workshop service repair manual covers the Yamaha Moto 4 200 All-Terrain Vehicle (ATV) produced between 1983 and 1986. As part of Yamaha's popular recreational ATV line from the 1980s, the Moto 4 200 is recognized for its durability, reliability, and balanced performance, making it a well-regarded choice for trail riding and utility. This manual provides comprehensive coverage for all models, engines, trims, and transmission types within these production years, offering detailed information essential for maintaining this capable machine. This comprehensive English-language manual is designed for owners, DIY mechanics, and professional technicians alike, offering a complete and accurate resource identical to those used in repair shops. It details critical maintenance procedures, troubleshooting guidance, and step-by-step repair instructions for all major systems, including the fuel, cooling, engine, clutch, lubrication, drivetrain, brakes, suspension, steering, frame, and electrical systems. With hundreds of diagrams, illustrations, and critical specifications, this manual empowers users to perform diagnostics, repairs, and routine maintenance, ultimately saving money and ensuring the longevity of their Yamaha Moto 4 200.