This manual covers the KTM 125 SX / EXC and 250 SX / EXC models from the 2008 model year. These high-performance, liquid-cooled 2-stroke off-road motorcycles are renowned for their racing pedigree, lightweight construction, and powerful engines. The SX series is engineered for motocross competition, while the EXC series is tailored for enduro riding, offering versatility and durability. KTM's commitment to quality is evident in the robust engineering and advanced features designed to deliver exceptional performance and reliability in demanding off-road environments.

This comprehensive Factory Service Manual provides in-depth information for owners, mechanics, and technicians. It details engine mechanical aspects, including top and bottom end components, lubrication, and cooling systems, as well as engine performance tuning, fuel system maintenance, and electrical systems related to engine management. The manual includes complete disassembly and reassembly procedures, troubleshooting guides for common issues, and detailed maintenance schedules. With extensive diagnostic procedures and precise technical specifications, this resource is essential for maintaining the peak performance and longevity of your 2008 KTM 125 or 250 SX/EXC motorcycle.