The Aprilia Tuono V990 2004 Service Repair Workshop Manual is a comprehensive guide designed for mechanics, automotive professionals, and knowledgeable owners who want to perform their own repairs. This manual provides detailed instructions and specifications for servicing and repairing your Aprilia Tuono V990 2004, covering a wide range of topics including engine identification, general precautions, maintenance checklists, check and maintenance procedures, special tools, engine body, fuel system, troubleshooting, servicing specifications, tightening torques, disassembling and servicing, cooling system, fuel filter, electrical system, alternator, and regulator. It is written with clarity and precision, utilizing diagrams and illustrations to guide users through each step of the repair process. The manual follows the same procedures used by authorized dealer service departments ensuring you have access to the same level of information and expertise. You can leverage this detailed resource to diagnose and resolve issues, perform routine maintenance, and gain a deeper understanding of your motorcycle's workings. By equipping yourself with this manual, you can potentially save on costly repair bills and gain valuable hands-on experience with your Aprilia Tuono V990 2004.

The Aprilia Tuono V990, launched in 2002, was a game-changer in the naked sportbike segment. Known for its sharp styling, potent engine, and impressive handling, it was a direct rival to the Ducati Monster S4R and the Triumph Speed Triple. The Tuono V990 was conceived by Aprilia with a simple but effective formula: take the already-successful RSV Mille superbike, remove the fairings, and add a more upright riding position. This approach resulted in a motorcycle that offered the performance and agility of a sportsbike with the comfort and practicality of a naked bike. At the heart of the Tuono V990 was a 998cc 90° V-twin engine, derived from the RSV Mille. Its power output was rated at 127 hp and 76 lb-ft of torque, making it one of the most powerful naked bikes of its time. This engine was paired with a six-speed gearbox and was renowned for its smooth power delivery and throaty exhaust note. The Tuono V990's chassis was just as impressive as its engine. It featured a lightweight aluminum frame, a fully adjustable Sachs front fork, and a Sachs monoshock rear suspension. These components provided precise handling and excellent feedback to the rider, making the Tuono V990 a delight to ride on both the road and the track. Overall, the Aprilia Tuono V990 was a remarkably successful motorcycle, and it quickly gained a reputation as a highly capable and exciting machine. Its combination of performance, style, and practicality made it a popular choice for both seasoned riders and those new to the world of naked sportbikes. The Tuono V990's legacy continued with the V4 and later iterations, solidifying Aprilia's position as a leader in the naked sportbike segment.