This comprehensive Aprilia ROTAX engine type 655 1992 Factory Service Repair Manual is your ultimate guide for maintaining and repairing your motorcycle engine. It provides detailed instructions and illustrations that are designed for both novice and experienced mechanics, making it easy to understand and follow. The manual covers a wide range of topics, from basic maintenance procedures to complex engine repairs. You'll find detailed information on engine identification, general precautions, disassembly and assembly, maintenance checklist, check and maintenance procedures, and special tools. It also covers crucial areas like the engine body, fuel system, troubleshooting, servicing specifications, tightening torques, disassembling and servicing, cooling system, exhaust system, fuel filter, electrical system, alternator, regulator, and wiring diagrams. The manual is organized with numbered instructions, bold figure numbers, enlarged insets, and a detailed table of contents for quick and easy navigation. You can readily find the information you need, ensuring a smooth and efficient repair process. With its comprehensive coverage, clear explanations, and detailed illustrations, this manual empowers you to confidently handle any repair or maintenance task on your 1992 Aprilia ROTAX engine type 655.

The Aprilia Rotax 655 engine, a defining powerplant of the 1990s, is a testament to the Italian manufacturer's commitment to performance and innovation. Introduced in 1992, this liquid-cooled, two-stroke, single-cylinder engine quickly gained recognition for its impressive power output and exhilarating riding experience. The Rotax 655 boasts a displacement of 655cc, generating a peak power output of around 70 horsepower. The engine’s design, characterized by a large bore and short stroke, emphasized high-revving performance, making it a thrilling ride on the open road. The engine featured a reed valve induction system, a crucial component that allowed the efficient intake of air into the combustion chamber, further enhancing power delivery. The 655’s robust crankshaft and piston assembly, designed for high-stress applications, ensured durability and reliability. This, coupled with its lightweight construction, contributed to the engine's impressive power-to-weight ratio. The Aprilia Rotax 655 engine found its way into a variety of Aprilia motorcycles, most notably the popular Pegaso 650, a dual-sport motorcycle that offered both on-road and off-road capability. The engine's versatility and robust nature made it a popular choice for other Aprilia models, including the Tuareg Wind and the Shiver 650. However, as emissions regulations tightened and fuel efficiency became increasingly important, the Rotax 655's production eventually ceased. Despite its discontinuation, the Rotax 655 engine retains a special place in motorcycle history, recognized for its power, character, and its role in the success of Aprilia's early endeavors. It remains a popular choice for enthusiasts seeking a piece of motorcycle history, boasting a loyal following among riders who appreciate the raw power and exhilarating riding experience the Rotax 655 engine is known for.