This manual covers the 125 EXC Enduro model produced between 1999 and 2003. Renowned for its lightweight chassis and potent two-stroke engine, the 125 EXC is engineered for demanding off-road competition and enthusiast riding. Its performance focus, combined with a strong heritage in motorsport, makes it a capable machine for enduro events and challenging terrain. The model features a liquid-cooled, single-cylinder engine with a 6-speed transmission and hydraulic disc brakes front and rear, all built around a robust chromoly steel perimeter frame.

This factory service repair manual provides comprehensive information for the maintenance and repair of your 125 EXC. It details complete engine mechanicals, fuel and ignition systems, cooling, transmission, suspension, brakes, and electrical systems. Included are procedures for routine maintenance, troubleshooting, component rebuilds, and specific technical data such as torque specifications and special tool requirements. This manual is an essential resource for owners, mechanics, and technicians seeking to ensure the optimal performance, reliability, and longevity of their vehicle.