This manual covers the KTM 125 and 200 models produced between 1999 and 2003. KTM is an Austrian manufacturer renowned for its high-performance, lightweight motorcycles, embodying a "Ready to Race" philosophy. These models, particularly the 125cc variants, are designed for demanding off-road use, such as motocross and enduro, while the 200cc versions may offer street-legal naked or sport configurations depending on the specific market designation. They are characterized by powerful engines relative to their displacement, advanced suspension systems, and robust construction, making them competitive in their respective segments.

This Workshop Service Manual (WSM) provides comprehensive guidance for the maintenance, repair, and overhaul of your KTM 125/200. It details procedures for all major systems, including the engine, fuel, cooling, ignition, exhaust, transmission, chassis, suspension, brakes, and electrical systems. The manual includes preventative maintenance schedules, troubleshooting guides, detailed engine rebuild instructions, and specific service procedures for components like the clutch, brakes, and suspension. Technical specifications, torque values, and clearances are provided to ensure accurate and professional-level servicing, empowering owners and technicians to maintain the vehicle's performance and reliability.