The Triumph Tiger 100 T100C, produced between 1963 and 1974, represents a significant chapter in British motorcycle engineering. As a variant of the iconic Tiger 100 lineage, the T100C was celebrated for its spirited performance and distinctive styling, often favored for both road riding and competitive endeavors. Built in the United Kingdom, these motorcycles embody the rich heritage of Triumph, a manufacturer renowned for its innovation and enduring legacy in the automotive industry. The T100C typically featured an air-cooled, parallel-twin engine, a 4-speed transmission, and was equipped with reliable drum brakes and a robust chassis designed for a responsive riding experience. This comprehensive factory service repair manual in English provides an indispensable resource for maintaining and repairing your Triumph Tiger 100 T100C. It covers a vast array of essential systems, including the fuel, cooling, and electrical systems, as well as detailed procedures for engine top end, clutch, transmission, brakes, suspension, and frame. With step-by-step instructions, troubleshooting guides, diagnostic procedures, and wiring diagrams, this manual empowers owners and technicians to perform everything from routine maintenance and common fixes to more complex rebuilds and restorations. The manual offers in-depth technical information, mirroring the knowledge of factory technicians, ensuring the longevity and optimal performance of your classic Triumph motorcycle.