This manual covers the 125 EXC, 125 SX, 200 EXC, and 200 SX models produced between 1999 and 2003. These performance-oriented off-road motorcycles are celebrated for their lightweight construction, powerful two-stroke engines, and agile handling, making them ideal for both Enduro and Motocross disciplines. A strong racing heritage is reflected in these models, which are engineered for demanding off-road use and known for their aggressive power delivery.

This comprehensive Factory Service Repair Workshop Manual provides detailed guidance on engine service, repair, and workshop procedures. It covers routine maintenance, component overhaul, troubleshooting, and diagnostics for critical systems including the engine internals, fuel system, ignition system, cooling system, exhaust, and transmission. The manual is designed to assist owners, mechanics, and technicians in maintaining and repairing these high-performance machines, ensuring optimal performance and longevity through accurate procedures and technical specifications.