This comprehensive service and repair manual is specifically designed for KTM 125/200 SX, MXC, and EXC motorcycles manufactured between 1999 and 2003. It offers detailed instructions, illustrations, and diagrams to guide you through every repair and maintenance procedure. From basic maintenance tasks like oil changes and filter replacements to complex engine rebuilds, this manual covers it all. It includes detailed information on: * **Engine Systems:** Engine disassembly and assembly, valve adjustments, piston and cylinder replacement, crankshaft and connecting rod repair, and more. * **Transmission and Clutch:** Transmission disassembly and assembly, clutch adjustment and replacement, gear shifting mechanisms, and associated components. * **Electrical System:** Wiring diagrams, troubleshooting procedures, component location and identification, and repair instructions for starting, charging, lighting, and other electrical systems. * **Suspension and Brakes:** Front and rear suspension adjustments and repairs, brake system components, brake bleeding procedures, and more. * **Cooling System:** Radiator maintenance, coolant replacement, thermostat inspection, and cooling fan repair. * **Bodywork and Accessories:** Removal and installation of body panels, fairings, handlebars, seats, and other accessories. This manual serves as an invaluable resource for both novice and experienced mechanics, providing the same repair information used by professional KTM dealerships. With its step-by-step instructions, clear illustrations, and comprehensive coverage, it empowers you to confidently perform repairs and maintenance on your KTM motorcycle.

## KTM 125/200 SX, MXC, EXC: A Legacy of Performance and Versatility The KTM 125/200 SX, MXC, and EXC models from the late 1990s and early 2000s represent a pivotal era for the Austrian motorcycle manufacturer. These machines, powered by potent two-stroke engines, offered a blend of raw power, nimble handling, and rugged reliability that cemented KTM's position as a leading force in the off-road and motocross scene. The 125 SX was a lightweight and agile contender in the 125cc class, favored for its responsiveness and ease of handling. The 200 SX, with its larger displacement, provided a significant power advantage, making it a popular choice for experienced riders and those seeking more aggressive performance. The MXC variants were designed specifically for motocross, featuring enhanced suspension and a more race-ready setup. The EXC models, on the other hand, were built for versatility, offering a balance between off-road capability and road-legal compliance. The 125/200 SX, MXC, and EXC models from this period were known for their distinctive orange livery and high-quality construction. They featured advanced suspension systems, powerful brakes, and durable components designed to withstand the rigors of off-road riding. These machines became a favorite among both professional racers and recreational riders, earning a reputation for their performance, reliability, and overall rider experience. The KTM 125/200 SX, MXC, and EXC models continue to be sought after by enthusiasts today, their timeless design and exceptional performance making them a popular choice for restoration and vintage racing. Regardless of their specific purpose, these motorcycles remain a testament to KTM's commitment to innovation and delivering a thrilling riding experience.