The Aprilia RS 125 and Tuono 125, powered by the renowned Rotax 122 engine, represent a significant chapter in Aprilia's legacy of producing high-performance, small-displacement sport motorcycles. These models, popular from the early 1990s through the early 2000s, are celebrated for their agile handling, potent two-stroke power delivery, and aggressive styling, making them a favorite among enthusiasts and learner riders. The Rotax 122 engine itself is a testament to efficient engineering, delivering impressive horsepower for its class, and contributing to the bikes' spirited performance and racing heritage.

This comprehensive Service and Repair Manual, available in Italian, English, and German, provides essential technical information for owners and technicians working on Aprilia models equipped with the Rotax 122 engine. Covering everything from complete engine overhauls, including detailed procedures for the cylinder head, piston, and crankshaft, to the intricacies of the fuel, ignition, and exhaust systems, this manual ensures thorough maintenance and repair capabilities. It also delves into the transmission, cooling, chassis, suspension, braking, and electrical systems, offering diagnostic troubleshooting, scheduled maintenance guidelines, and precise technical data such as torque specifications and assembly tolerances.

The Aprilia RS 125 and Tuono 125, powered by the renowned Rotax 122 engine, represent a significant chapter in Aprilia's legacy of producing high-performance, small-displacement sport motorcycles. These models, popular from the early 1990s through the early 2000s, are celebrated for their agile handling, potent two-stroke power delivery, and aggressive styling, making them a favorite among enthusiasts and learner riders. The Rotax 122 engine itself is a testament to efficient engineering, delivering impressive horsepower for its class, and contributing to the bikes' spirited performance and racing heritage.

This comprehensive Service and Repair Manual, available in Italian, English, and German, provides essential technical information for owners and technicians working on Aprilia models equipped with the Rotax 122 engine. Covering everything from complete engine overhauls, including detailed procedures for the cylinder head, piston, and crankshaft, to the intricacies of the fuel, ignition, and exhaust systems, this manual ensures thorough maintenance and repair capabilities. It also delves into the transmission, cooling, chassis, suspension, braking, and electrical systems, offering diagnostic troubleshooting, scheduled maintenance guidelines, and precise technical data such as torque specifications and assembly tolerances.