The KTM 60SX, produced between 1998 and 2003, is an entry-level off-road motorcycle designed for young riders learning the fundamentals of motocross and off-road riding. It features a compact 60cc two-stroke engine, liquid cooling, and an automatic centrifugal clutch paired with a 3-speed gearbox, optimized for manageable acceleration and ease of use. KTM's reputation for robust construction is evident even in this smaller displacement model, which was engineered with child-friendly controls and suspension to ensure a positive riding experience. This model competed in a segment focused on developing young talent, offering a durable and capable platform for aspiring racers.

This service repair manual provides comprehensive coverage for the engine and related systems of the KTM 60SX models from 1998 to 2003. It details complete engine disassembly, assembly, tuning, and component-level repair, including in-depth procedures for the cooling, fuel, ignition, exhaust, transmission, and clutch systems. The manual also covers essential maintenance, troubleshooting, and rebuild procedures, offering diagnostic charts and technical specifications such as torque values and clearances. Its purpose is to equip owners, mechanics, and technicians with the necessary information to maintain, diagnose, and repair the vehicle effectively, ensuring optimal performance and longevity.