This comprehensive **APRILIA V990 RR Engine Workshop Repair Service Manual** is your ultimate guide to maintaining and repairing the powerful 997.6 cc V-twin engine of your V990 RR motorcycle. The manual provides detailed instructions and illustrations, making it an invaluable resource for both experienced mechanics and DIY enthusiasts. It covers all aspects of engine maintenance and repair, from basic engine access and safety precautions to in-depth procedures for disassembling and reassembling the engine. You'll find detailed information on components like: * **Engine Accessories:** Learn how to work with the alternator, clutch, and other essential engine accessories. * **Engine Disassembly and Assembly:** The manual guides you through each step of engine disassembly, including the removal of the head covers, coolant pump, cylinders, pistons, cylinder heads, and more. Detailed instructions for reassembly ensure you get it right every time. * **Timing Unit System:** Master the complexities of the timing unit system with clear diagrams and explanations. * **Valves, Guides, and Oil Pump System:** Find detailed information on inspecting, adjusting, and repairing valves, guides, and the oil pump system. * **Engine Crankcase, Transmission, and Gear Systems:** The manual covers the intricacies of the engine crankcase, transmission, and gear systems, providing step-by-step guidance on procedures like gearbox disassembly and reassembly. This manual offers a wealth of information, including tightening torques, diagrams, and step-by-step instructions for every procedure. Use this manual to keep your Aprilia V990 RR running at peak performance and enjoy the thrill of riding.

The Aprilia V990 RR was a high-performance sportbike manufactured by the Italian motorcycle manufacturer Aprilia from 1999 to 2001. It was a groundbreaking machine that pushed the boundaries of motorcycle technology and performance, setting a new standard for sportbikes in the late 1990s. The V990 RR was powered by a revolutionary 990cc 90-degree V-twin engine that was the first of its kind in a production motorcycle. This innovative engine design offered a unique combination of power, smoothness, and responsiveness, delivering exhilarating acceleration and thrilling handling on the road. The motorcycle also boasted a lightweight tubular steel frame, single-sided swingarm, and advanced suspension technology for exceptional agility and control. The Aprilia V990 RR was a true testament to the company's engineering prowess and commitment to excellence. It was a limited-production model, with only 200 units produced each year, making it a highly sought-after collectible for motorcycle enthusiasts today. Beyond its technical innovations, the V990 RR was a stunningly designed motorcycle with sharp lines and aggressive styling. It incorporated cutting-edge components like carbon fiber bodywork and a sophisticated electronic instrument panel, contributing to its premium image. The Aprilia V990 RR was a truly remarkable motorcycle that captured the attention of the world with its exceptional performance, innovative technology, and timeless design. It remains a symbol of Aprilia's legacy as a leading manufacturer of high-performance sportbikes.