This manual covers the TTR125 series, including the TTR125E (Electric Start), TTR125L (Kick Start), and TTR125LE (Electric Start, Long Wheelbase) models manufactured in 2009 and 2010. The TTR125 is an entry-level, air-cooled, SOHC, 4-stroke off-road motorcycle renowned for its reliable engine, user-friendly design, and suitability for trail riding and recreational use. Its engineering prioritizes durability and ease of operation, making it an excellent choice for beginner riders and younger enthusiasts. Key features include a 124 cc engine, a 5-speed transmission with manual clutch, telescopic front forks, and a monoshock rear suspension, with the option of electric or kick starting.

This comprehensive service repair workshop manual provides in-depth information for maintaining and repairing your TTR125. It covers all aspects of the motorcycle, from routine periodic maintenance, such as oil changes and chain adjustments, to complete engine and transmission overhauls. Detailed procedures for the fuel system, ignition system, electrical system, suspension, brakes, and chassis are included, along with diagnostic troubleshooting guides and specific torque specifications. This dealer-level manual is designed to assist owners, mechanics, and technicians in ensuring the optimal performance and longevity of their vehicle.