This manual covers the KTM 125 SX, 125 EXC, 200 SX, and 200 EXC models from the 2000 model year. These lightweight off-road competition motorcycles embody KTM's 'Ready to Race' philosophy, known for their potent two-stroke engines, agile chassis, and rider engagement. The 125cc variants offer approximately 35-38 HP, while the 200cc models deliver around 40-45 HP, both featuring liquid-cooled, 2-stroke single-cylinder engines with reed valve induction and Power Jet Carburetion. These machines competed strongly in motocross and enduro segments, building on KTM's extensive off-road racing heritage.

This comprehensive factory service and repair manual provides detailed information for maintaining and repairing all 2000 KTM 125 SX, 125 EXC, 200 SX, and 200 EXC models. It covers essential areas including engine disassembly and tuning, transmission and clutch service, suspension maintenance and overhaul, brake system diagnostics, cooling, fuel, and electrical systems, as well as chassis and bodywork. The manual includes routine maintenance procedures, troubleshooting guides, and in-depth instructions for engine and suspension rebuilds, offering factory-level accuracy for owners, mechanics, and technicians.