This manual covers the Triumph 350/500 models from 1964, iconic British parallel-twin motorcycles renowned for their robust engineering and significant contribution to motorcycle culture. These machines, produced in Meriden, England, represent a pinnacle of classic motorcycle design, offering a blend of performance and style that continues to captivate enthusiasts. The 350cc and 500cc engines, known for their strong torque and distinctive character, were foundational to Triumph's success, evolving through years of development to deliver reliable power for both daily riding and competition.

This comprehensive service repair manual provides detailed instructions for maintaining and repairing your 1964 Triumph 350/500. It covers all essential systems, including the engine, transmission, fuel, ignition, electrical, suspension, and braking systems. You will find in-depth guidance on routine maintenance, engine rebuilds, carburetor tuning, ignition timing, and electrical fault diagnosis. This manual is an indispensable resource for owners, mechanics, and technicians, offering the technical knowledge required to keep these classic motorcycles in peak operating condition and to ensure accurate, period-correct restorations.