The Ducati SportTouring 4 (ST4) is a distinguished motorcycle designed for riders seeking a blend of performance and long-distance capability. Produced for model years ranging from 1996 through 2003, with the primary focus on the 2000 model year, the ST4 embodies Ducati's renowned engineering prowess. It features a liquid-cooled, Desmodromic L-twin engine with 4 valves per cylinder, displacing 916cc, and delivering approximately 107 horsepower. This model is celebrated for its sporting heritage, derived from Ducati's racing DNA, offering agile handling and a comfortable riding position suitable for extended journeys. This comprehensive workshop repair and service manual provides detailed guidance for the maintenance and repair of the Ducati ST4. Covering a wide array of systems including the engine, fuel, ignition, transmission, chassis, suspension, brakes, and electrical systems, this manual is an indispensable resource. It includes step-by-step repair procedures, troubleshooting guides, technical specifications, and essential safety information. This manual is intended for DIY enthusiasts, independent repair shops, and technicians aiming to ensure the optimal performance and longevity of their Ducati ST4 motorcycles.