This workshop repair service manual covers the Triumph Bonneville T120R, a legendary parallel-twin sportster produced between 1959 and 1974. Renowned for its iconic status and association with the vibrant culture of the 1960s and 70s, the T120R is celebrated for its performance and distinctive British engineering. As the performance-oriented variant of the T120, the T120R embodies the spirit of speed and style that made the Bonneville name synonymous with motorcycling excellence.

This comprehensive manual provides detailed guidance for the service, maintenance, troubleshooting, and repair of your Triumph Bonneville T120R. It covers all essential systems, including the engine, transmission, chassis, electrical system, and bodywork. Whether you are performing routine servicing, addressing common wear items, or undertaking a complete overhaul, this manual offers the necessary procedures, technical specifications, and diagnostic information to ensure your classic motorcycle remains in optimal condition.