This manual covers the Triumph 350/500 Twin motorcycle models produced in 1973. These iconic British parallel-twin machines, manufactured at Meriden Works, represent a significant part of motorcycle history, known for their distinctive engineering and sporting heritage. The 350cc (T100SC) and 500cc (T100SS, T100C, T100T) variants offered a blend of performance and practicality, evolving from earlier designs and contributing to Triumph's esteemed reputation. This guide is intended for owners and enthusiasts seeking to maintain, repair, or restore these classic motorcycles, preserving their authenticity and ensuring continued enjoyment.

The purpose of this comprehensive Service and Repair Manual is to provide detailed technical information for the Triumph 350/500 Twin. It covers a wide range of essential areas, including full service procedures, engine and transmission rebuilding, chassis and electrical system maintenance, carburetor tuning, and troubleshooting common issues. With over 200 pages of content, this manual offers in-depth guidance with detailed diagrams, exploded views, and specifications. It is an indispensable resource for both home mechanics and professional restoration specialists, enabling effective upkeep and repair to maintain these vintage motorcycles in optimal condition.