The Ducati ST4s, produced around 2002, is a premium sport touring motorcycle renowned for its powerful V-twin engine and agile handling. This model, featuring a 916 cc Desmodromic, liquid-cooled L-Twin engine, offers approximately 117 horsepower and 68 lb-ft of torque, making it a capable machine for both spirited riding and long-distance journeys. Its engineering quality is evident in its advanced suspension, including fully adjustable Showa front forks and a Sachs monoshock rear, coupled with Brembo brakes for reliable stopping power. The ST4s represents a blend of performance and comfort, designed for riders who demand a dynamic experience on the road.

This manual serves as a comprehensive guide for the Ducati ST4s, focusing on parts identification, cataloging, and ordering. It provides detailed component breakdowns, exploded view diagrams, and precise part numbers, essential for accurate repairs and maintenance planning. The scope includes critical systems such as the engine, chassis, and electrical components, offering component-level detail suitable for professional workshops and experienced enthusiasts. By facilitating efficient part identification and ordering, this manual is an invaluable resource for maintaining the performance and longevity of your ST4s.