This comprehensive Aprilia RS125 repair manual, covering models from 1999 to 2003, is designed to empower both motorcycle owners with basic mechanical skills and independent service professionals. It provides the same detailed specifications and repair procedures found in authorized dealer service manuals. Whether you intend to perform the repairs yourself or simply want to understand your motorcycle better, this manual will equip you with the knowledge to diagnose issues, evaluate repair approaches, and communicate effectively with mechanics.

Discover a wealth of information, covering every aspect of your Aprilia RS125, including:

* **Engine Fault Diagnosis:** Learn to identify and interpret engine symptoms, ensuring you can accurately pinpoint the source of the problem.
* **Repair Strategies:** Gain insights into the most effective repair approaches for various motorcycle issues, allowing you to make informed decisions.
* **Advanced Diagnostic Techniques:** Uncover the secrets used by top mechanics to test suspected parts, giving you a deeper understanding of your motorcycle's inner workings.
* **Wiring Diagram Analysis:** Master the intricacies of your Aprilia's electrical system by deciphering complex wiring diagrams.
* **Engine Management Systems:** Acquire knowledge of various engine management systems, enabling you to tackle modern motorcycle technology with confidence.
* **Common Fixes and Preventive Maintenance:** Learn to address common issues and perform basic maintenance tasks, helping you prevent minor problems from escalating.
* **Mechanic Communication and Evaluation:** Gain the confidence to communicate effectively with mechanics, ensuring you receive the best possible service and repairs.

This manual is your key to unlocking the secrets of your Aprilia RS125, enabling you to perform repairs, diagnose issues, and maintain your motorcycle with expertise.

The Aprilia RS125, produced from 1999 to 2003, is a legendary sportbike that captivated riders with its aggressive styling, potent performance, and razor-sharp handling. This Italian-made motorcycle was a force to be reckoned with on the track and on the road, offering a thrilling riding experience for both experienced and aspiring racers. Powering the RS125 was a 125cc, single-cylinder, two-stroke engine that featured a liquid-cooled, reed-valve induction system. This potent little powerplant was capable of producing an impressive power-to-weight ratio, making the RS125 a true adrenaline rush to ride. The engine was mated to a 6-speed gearbox, allowing the rider to exploit the full potential of the bike's powerband.

Beyond its performance, the RS125 was renowned for its exceptional handling characteristics. Its lightweight trellis frame, coupled with its adjustable suspension components, allowed riders to attack corners with confidence and precision. The bike's ergonomics were designed for aggressive riding, with clip-on handlebars and a low-slung riding position that promoted a sporty and engaging riding experience. The RS125 was a true masterpiece of Italian engineering, showcasing the best of Aprilia's design and performance capabilities. It was a bike that not only delivered thrilling performance but also offered a sense of exclusivity and prestige, making it a sought-after machine among both seasoned and aspiring riders. This combination of style, performance, and handling cemented the Aprilia RS125's place as a true icon of the sportbike segment, leaving a lasting legacy in the world of motorcycles.