The Yamaha DS7, produced between 1972 and 1973, represented Yamaha's strong entry into the mid-size, performance-oriented two-stroke sportbike market of the early 1970s. This model featured a parallel-twin, air-cooled, reed valve induction engine and a 6-speed constant mesh transmission, offering a competitive edge with its advanced engineering for the era. Its robust steel tube frame, coupled with a front disc brake and a responsive parallel-twin engine, contributed to its reputation for solid performance and handling, making it a notable machine among its contemporaries.

This comprehensive service manual provides detailed workshop repair information for the Yamaha DS7. It covers essential maintenance procedures, in-depth troubleshooting guides, and technical specifications necessary for the upkeep and repair of all major systems, including the engine, fuel, ignition, transmission, and chassis. The manual is designed to assist owners, mechanics, and technicians in performing routine servicing, diagnostics, and complete overhauls, ensuring the continued reliability and performance of the vehicle.