This comprehensive Aprilia RS 125 1999 Repair Service Manual provides detailed instructions and technical information for servicing and repairing your motorcycle. It is specifically designed for professional technicians, but its wealth of information makes it an invaluable resource for any owner looking to perform maintenance or repairs themselves. The manual covers a wide range of topics, from basic maintenance procedures like oil changes and filter replacements, to complex engine and transmission overhauls. Detailed diagrams, step-by-step instructions, and clear explanations guide you through every process, ensuring you have the knowledge and confidence to tackle any repair job. Whether you are a seasoned mechanic or a DIY enthusiast, this manual will empower you to keep your Aprilia RS 125 running smoothly and reliably.

The Aprilia RS 125, produced from 1999 to 2007, is a high-performance sportbike that cemented Aprilia's reputation for building exciting and capable machines for young riders. The RS 125 is powered by a liquid-cooled, single-cylinder two-stroke engine, known for its exhilarating power delivery and distinctive "two-stroke" sound. This engine, displacing 124cc, was capable of producing a claimed 32 horsepower, making it a formidable competitor in the 125cc class. The RS 125's lightweight frame, made of tubular steel, contributed to its agility and responsiveness, allowing riders to navigate corners with precision and confidence. The bike was equipped with features that emphasized performance, such as upside-down telescopic forks for precise handling, a single rear shock absorber for optimal suspension damping, and powerful disc brakes front and rear. The RS 125's styling, inspired by Aprilia's larger sportbikes, featured a sharp, aggressive design with a low-slung profile and a front fairing that offered wind protection for the rider. The bike was available in various vibrant colors, catering to the sporty and youthful image of the target audience. The Aprilia RS 125's lightweight frame, powerful engine, and aggressive styling made it a popular choice for young riders looking for a thrilling and affordable entry into the world of sportbikes. Its performance, combined with its iconic Italian design, earned it a loyal following and established it as a benchmark in the 125cc class. The RS 125's reputation for reliability and its wide availability of replacement parts, even today, make it an attractive option for enthusiasts seeking a classic two-stroke sportbike that offers an exhilarating riding experience. However, the RS 125's powerful engine and sharp handling require a skilled and responsible rider, as its performance can be challenging for inexperienced riders. The two-stroke engine also requires careful maintenance, including regular oil changes and proper fuel mixture. With proper care and attention, the Aprilia RS 125 can provide years of enjoyment and thrills for its owner.