This manual covers the KTM 125 SX and 200 EXC, renowned off-road motorcycles celebrated for their performance and agility. KTM, an Austrian manufacturer, has a strong heritage in off-road racing, and these models exemplify their commitment to engineering quality and rider experience. The 125 SX is a staple in KTM's motocross line, while the 200 EXC offers a versatile option for off-road and enduro riding, both featuring powerful 2-stroke engines.

This factory service manual provides comprehensive technical guidance for enthusiasts, DIY mechanics, and professional workshops. Its scope includes detailed engine repair and service procedures, covering complete disassembly, inspection, and reassembly of the 125cc and 200cc engines. Additionally, it features a parts catalog for component identification and may include information on transmission, fuel systems, and essential maintenance schedules, enabling owners to effectively maintain and repair their KTM motorcycles.