This comprehensive Ducati ST4 Factory Service Repair Manual covers all models from 2000 to 2005. It's the official, genuine service manual, directly from the factory, providing you with the exact information used by Ducati-trained technicians. This manual is your guide to maintaining and repairing your ST4, taking you step-by-step through every procedure. It's packed with detailed illustrations, diagrams, and specifications that make even complex repairs accessible. The manual covers everything from basic maintenance to advanced engine work, including: * **General Information** - Gain a foundational understanding of your ST4, its systems, and how everything works together. * **Fuel System** - Learn how to diagnose and repair issues with your fuel injection system, ensuring optimal performance and efficiency. * **Cooling System** - Understand the intricacies of your ST4's cooling system, essential for preventing overheating and maintaining optimal engine temperatures. * **Engine Top End** - Master the procedures for removing, inspecting, and servicing the cylinder head, valves, and other critical top-end components of your engine. * **Clutch** - Learn how to maintain and troubleshoot your clutch, a crucial component for smooth gear changes and efficient power transfer. * **Engine Lubrication System** - Ensure proper lubrication and maintenance of your engine with detailed information on oil changes, filter replacements, and system inspection. * **Engine Removal/Installation** - Detailed step-by-step instructions will guide you through the process of removing and reinstalling your engine safely and efficiently. * **Crankshaft/Transmission** - Gain comprehensive understanding of the inner workings of your ST4's crankshaft and transmission, enabling you to diagnose and resolve any issues. * **Wheels/Tires** - Learn the proper procedures for maintaining, balancing, and replacing your wheels and tires for safe and optimal performance. * **Final Drive** - Understand the nuances of your ST4's final drive system, essential for efficient power transmission and smooth operation. * **Brakes** - Ensure your braking system is always in top condition with detailed information on brake pad replacement, disc inspection, and other essential maintenance tasks. * **Suspension** - Explore the intricacies of your ST4's suspension system, enabling you to adjust it for a comfortable and safe riding experience. * **Steering** - Learn how to maintain and adjust your steering system, ensuring precise handling and stability. * **Frame** - Gain a thorough understanding of your ST4's frame and its components, essential for safe and reliable operation. * **Electrical System** - Navigate the complexities of your ST4's electrical system with detailed wiring diagrams and troubleshooting guides. * **Appendix** - Find valuable resources and information, including specifications, diagrams, and troubleshooting charts. This manual is a valuable resource for any ST4 owner, whether you're a seasoned mechanic or just starting out. Save time and money on repair costs by gaining the knowledge to handle routine maintenance and even complex repairs yourself.

The Ducati ST4, produced from 2000 to 2005, is a sport touring motorcycle that embodies the Italian brand's legendary performance and style. Built upon the successful 916 platform, the ST4 retained its iconic trellis frame and aggressive design, adding a more practical and comfortable focus for longer rides. Powered by a liquid-cooled, 996cc L-twin engine, it delivered a potent 105 horsepower and a thrilling, characteristic Ducati soundtrack. The ST4's well-balanced ergonomics, featuring a comfortable rider's seat and adjustable handlebars, combined with a smooth and responsive engine, made it a capable machine for both spirited rides and touring adventures. Its sleek fairing and wind protection ensured a comfortable experience even on longer journeys, while its durable construction and high-quality components promised long-lasting reliability. The ST4 offered a unique blend of sportiness and practicality. Its suspension, featuring fully adjustable Showa forks and Sachs rear shock, offered both agility and comfort, allowing riders to adjust it to suit their riding style and preferences. The ST4 also boasted impressive brakes, with Brembo calipers and discs providing powerful stopping power. The inclusion of features like a centerstand, luggage rack, and a generous fuel tank further enhanced its touring capabilities. The ST4's distinctive design, featuring sharp lines and a low-slung profile, cemented its place as a stylish and desirable machine. Its ability to handle diverse riding situations with poise and performance made it a popular choice among those seeking a versatile and capable motorcycle, embodying the best of Ducati's sport touring heritage.