This manual covers the TTR125, TTR-125, and TT-R125LW models, primarily focusing on the 2006 model year, with information applicable to similar years and variants. The TTR125 is an entry-level to intermediate off-road motorcycle renowned for its user-friendly nature, durability, and capability for trail riding and recreational use. It is powered by an air-cooled, 124cc four-stroke engine with a 5-speed manual transmission and a kick starter, designed to provide an accessible and reliable off-road experience for beginner and youth riders, as well as trail enthusiasts. The long heritage in motorsports underpins the TTR series' reputation for quality and performance in its class.

This comprehensive service repair workshop manual provides detailed instructions for maintaining and repairing the TTR125. It covers essential areas including engine systems, chassis components, drivetrain, and electrical systems. Within its approximately 300-500 pages, owners and technicians will find guidance on routine maintenance, troubleshooting common issues, major repair procedures, and component overhauls, along with critical technical specifications such as torque values and fluid capacities. The manual is designed to help ensure the TTR125 remains in optimal condition, extending its lifespan and supporting its performance for all users.