This manual covers the KTM 125 EXC, also known as the Enduro Cross Country, from the second generation of its design, which evolved from the SX platform. Produced between 1999 and 2006, these Austrian-manufactured motorcycles are renowned for their lightweight, agile design and a potent 125cc two-stroke engine optimized for performance off-road. The KTM 125 EXC is celebrated for its sharp handling, robust chassis construction featuring a Chromium-Molybdenum Steel Trellis Frame, and premium componentry, including WP suspension and Brembo brakes, making it a standout in its segment. Its engineering quality and reliability are a testament to KTM's extensive heritage and specialization in off-road motorcycling.

The purpose of this comprehensive Service and Repair Manual is to provide detailed guidance for owners, private mechanics, and service technicians working on the KTM 125 EXC. It covers essential maintenance procedures, from routine checks and fluid changes to more involved tasks like air filter cleaning and spark plug service. The manual offers in-depth information on engine overhaul, transmission service, clutch operation, chassis components, and electrical systems. It includes step-by-step repair instructions, diagnostic flowcharts for troubleshooting common issues, and critical technical specifications such as torque values and fluid capacities. This resource is designed to empower users to effectively maintain, diagnose, and repair their motorcycles, ensuring optimal performance and longevity.