The KTM 400 SX Racing, produced between 2000 and 2003, is a dedicated motocross competition motorcycle known for its performance-oriented design and off-road prowess. Built upon KTM's strong heritage in off-road racing, this model emphasizes power delivery, agile handling, and robust suspension, reflecting the brand's 'Ready to Race' philosophy. Its liquid-cooled, four-stroke, single-cylinder engine, likely based on the LC4 platform, provided competitive power for its class. The motorcycle features a chromium-molybdenum steel trellis frame, a hallmark of KTM engineering, and is equipped with disc brakes front and rear for effective stopping power.

This comprehensive workshop repair service manual covers the KTM 400 SX Racing from 2000-2003 in detail. It serves as an essential resource for owners, mechanics, and technicians, providing in-depth guidance on service, maintenance, troubleshooting, and repair procedures. The manual includes detailed information on the engine, transmission, chassis, brakes, and electrical systems, along with routine maintenance schedules, engine overhaul instructions, suspension servicing, and electrical diagnostics. It also addresses common wear items and potential issues, offering solutions to keep the motorcycle in optimal condition for competitive use.