The 2004 Ducati ST4s is a distinguished sport-touring motorcycle, representing a blend of performance and long-distance capability. Building on Ducati's rich heritage of producing high-performance machines, the ST4s features a liquid-cooled, L-twin engine with Desmodromic valve actuation, displacing 996 cc. This model is known for its robust engineering, delivering approximately 117 horsepower and 71 lb-ft of torque, making it suitable for both spirited riding and extended journeys. Its design prioritizes a balance of comfort and sportiness, with advanced suspension components and powerful braking systems.

This manual serves as a comprehensive resource for owners and technicians, detailing parts identification and ordering for all motorcycle components. It provides essential information for maintaining and repairing the 2004 Ducati ST4s, covering critical systems such as the engine, fuel system, cooling, electrical, brakes, chassis, bodywork, and exhaust. The manual includes detailed diagrams and part numbers, facilitating accurate parts sourcing and offering visual guidance for disassembly and assembly. Its purpose is to empower users with the technical knowledge necessary for effective upkeep and repair, ensuring the longevity and optimal performance of the vehicle.