This comprehensive workshop service repair manual covers 125 SX, 200 SX, 125 EXC, and 200 EXC models manufactured between 1999 and 2003. Renowned for their off-road prowess and competitive heritage, motorcycles of this era are engineered for performance and durability. The SX variants are purpose-built motocross machines, while the EXC models offer exceptional enduro capabilities. These two-stroke, liquid-cooled motorcycles, featuring aggressive power delivery and advanced WP suspension, have consistently earned acclaim for their handling and racing success.

This manual provides essential information for owners, DIY mechanics, and professional technicians. It details routine maintenance, major repairs, and troubleshooting across all vehicle systems, including the engine, transmission, chassis, brakes, fuel system, and electrical components. With step-by-step instructions, technical specifications, torque values, and diagnostic procedures, this resource empowers users to maintain optimal performance, ensure longevity, and effectively repair their 125/200 SX/EXC motorcycles. The manual is presented in English.