This workshop service repair manual covers the Yamaha TZR125 and DT125R models, produced between approximately 1987 and 2002. The TZR125, a sporty 125cc machine, featured a lightweight chassis, a potent two-stroke engine often equipped with the Yamaha Power Valve System (YPVS), and sharp styling, making it a popular choice in the sportbike segment. The DT125R, a versatile dual-sport motorcycle, offered robust construction, long-travel suspension, and off-road capability, suitable for trail riding and economical commuting. Both models exemplify Yamaha's heritage of engineering excellence and reliability in two-stroke motorcycle technology.
This comprehensive manual provides detailed information essential for the maintenance, repair, and troubleshooting of your Yamaha TZR125 or DT125R. It covers all major systems, including the engine, fuel, transmission, electrical, suspension, and braking systems, with in-depth procedures for routine maintenance, engine overhauls, carburetor adjustments, and electrical diagnostics. Included are specific torque values, fluid specifications, and troubleshooting guides to assist owners, mechanics, and technicians in keeping these motorcycles in optimal condition.
