This workshop repair service manual provides comprehensive guidance for the Triumph TR25W, also known as the Tiger Trail, produced between 1968 and 1970. As a classic British motorcycle, the TR25W represents Triumph's effort to offer a smaller capacity, accessible model that still embodied the brand's sporty character. Its two-stroke, parallel-twin engine, typically displacing 249 cc, delivered around 18-20 bhp, making it suitable for commuting and general riding. The engineering quality and reliability of these machines, while requiring diligent maintenance, have cemented their place as desirable vintage motorcycles for enthusiasts and restorers.

This manual is an indispensable resource for owners, mechanics, and technicians seeking to maintain, troubleshoot, and repair all variants of the Triumph TR25W. It covers a wide array of systems, including the engine, transmission, brakes, suspension, and electrical components, offering detailed procedures for maintenance, tuning, and complete overhauls. With step-by-step instructions, diagnostic guidance, and technical specifications, this English-language manual ensures that the TR25W can be kept in optimal working condition, preserving its historical significance and riding pleasure.