This manual covers the Triumph T140V Bonneville 750 from 1975, a significant model in the evolution of Triumph's iconic parallel-twin motorcycle. Known for its robust construction and classic British styling, the T140V was positioned as a versatile roadster, competing with other performance machines of its era. Its defining characteristics include the air-cooled, 744 cc parallel-twin engine, a 5-speed gearbox, and the adoption of a front disc brake, all contributing to its reputation for sporty character and reliable performance when properly maintained.

This factory service manual provides comprehensive guidance for owners and technicians. It details routine maintenance procedures, in-depth repair and rebuild instructions for all major systems including the engine, fuel, ignition, transmission, chassis, brakes, and electrical systems. The manual also includes troubleshooting guides, technical specifications, and torque values, enabling accurate diagnosis and repair. Its purpose is to ensure the longevity and optimal performance of the Triumph T140V Bonneville, offering the necessary information for both professional mechanics and dedicated enthusiasts.