This manual covers the KTM 125 Duke, a lightweight naked sportbike introduced in 2011, with the 2012 model representing an early iteration. Designed with KTM's "Ready to Race" ethos, this agile and accessible motorcycle is powered by a 125 cc four-stroke, single-cylinder, liquid-cooled engine featuring electronic fuel injection. Known for its sharp styling and sporty handling, the 125 Duke is targeted towards new riders and urban commuters seeking an engaging riding experience. Its construction includes a steel trellis frame and WP suspension components, contributing to its reputation for maneuverability.

This comprehensive factory service repair manual provides detailed information essential for the maintenance and repair of your KTM 125 Duke. It covers all major systems, including the engine, transmission, chassis, brakes, and electrical components, offering step-by-step instructions for diagnostics, repairs, and overhauls. The manual also includes scheduled maintenance procedures, troubleshooting guides, torque specifications, and information on special tools. Whether you are performing routine oil changes or complex engine rebuilds, this manual serves as an authoritative resource for owners and technicians alike.