The 125 EXC is a lightweight, two-stroke, liquid-cooled off-road motorcycle designed for enduro and competition riding. Produced between 1999 and 2006, this model features a 124.8cc engine, a 6-speed transmission, and is equipped with high-performance suspension and hydraulic disc brakes front and rear. Its robust steel frame is engineered for agility and maneuverability in demanding off-road conditions, reflecting a strong heritage in motorsport. This motorcycle is targeted at enthusiasts and riders seeking a competitive 125cc machine.

This comprehensive workshop service repair manual covers the 125 EXC models from 1999 to 2006. It provides in-depth information on all major systems, including engine mechanicals, fuel and ignition systems, cooling, transmission, suspension, brakes, electrical components, wheels, tires, and frame. The manual details routine maintenance, component overhauls, adjustments, troubleshooting procedures, and lists necessary special tools and torque specifications. Its purpose is to guide owners and technicians in maintaining, repairing, and diagnosing the vehicle, ensuring optimal performance and longevity.