The TTR125 and TTR125LW models, produced for the 2000 and 2001 model years, represent a commitment to providing accessible and reliable off-road motorcycles. Designed for entry-level to intermediate riders, these models offer a user-friendly platform for trail riding and recreational off-road activities. Built upon an extensive motorsports heritage, the TTR series is known for its dependable four-stroke, air-cooled engine, straightforward operation, and capability, making it a popular choice for developing off-road riding skills. The TTR125 is characterized by its 17-inch front and 14-inch rear wheels, a telescopic front fork, and a monoshock rear suspension, while the TTR125LW variant offers a longer wheelbase and potentially taller suspension for enhanced stability.

This Factory Service Manual provides comprehensive guidance for the maintenance and repair of your TTR125 / TTR125LW. It covers all essential systems, including the engine, transmission, drivetrain, fuel, electrical, ignition, chassis, suspension, brakes, and steering. Within its pages, you will find detailed procedures for disassembly, reassembly, inspection, adjustment, and repair, accompanied by hundreds of high-quality photographs and clear wiring diagrams. The manual also includes essential troubleshooting guides and diagnostic flowcharts to assist in identifying and resolving issues. This resource is invaluable for owners and technicians alike, ensuring the TTR125 and TTR125LW are kept in optimal condition for reliable performance and longevity.