This comprehensive Aprilia RS125 RS 125 Factory Service Repair Manual covers all models from 1993 to 2002. It contains hundreds of pages of detailed information and illustrations, designed to guide you through every aspect of maintaining and repairing your motorcycle. This manual provides the same information that professional technicians and mechanics use, allowing you to perform a wide range of services yourself, from routine maintenance to complex repairs. The manual covers a vast array of topics, including: * **General Information:** This section lays the foundation with essential information about your Aprilia RS125, including safety precautions, specifications, and tools needed for various operations. * **Fuel System:** Learn about the fuel system components, their operation, and how to diagnose and resolve problems related to fuel delivery, fuel lines, and fuel tanks. * **Cooling System:** This section details the cooling system of your Aprilia RS125, covering everything from understanding its function to troubleshooting cooling issues, radiator maintenance, and fluid changes. * **Engine Top End:** Gain in-depth knowledge about the engine's upper components, including the cylinder head, valves, camshafts, and more. Learn how to perform inspections, adjustments, and repairs on these critical engine parts. * **Clutch:** This section provides comprehensive information on the clutch system, including its operation, adjustments, and replacement procedures. * **Engine Lubrication System:** Understand the vital role of the engine's lubrication system, learn about oil changes, oil filter replacement, and how to diagnose issues related to oil pressure and flow. * **Engine Removal/Installation:** This section provides detailed instructions on how to safely remove and reinstall the engine, a procedure often required for more substantial repairs or maintenance. * **Crankshaft/Transmission:** This section delves into the heart of your motorcycle's powertrain, covering the crankshaft, connecting rods, transmission, and gears. Learn how to inspect, adjust, and repair these critical components. * **Wheels/Tires:** Discover how to maintain and repair your wheels and tires, including tire changes, balancing, brake disc inspection, and bearing maintenance. * **Final Drive:** This section focuses on the final drive system, which transmits power from the engine to the rear wheel, covering topics such as chain adjustments, chain cleaning, and sprocket replacement. * **Brakes:** Gain expertise on the braking system, including disc brake maintenance, caliper cleaning, pad replacement, and hydraulic system troubleshooting. * **Suspension:** This section provides detailed guidance on the motorcycle's suspension system, covering adjustments, fork maintenance, shock absorber servicing, and common suspension problems. * **Steering:** Understand the components of your steering system, learn how to adjust steering head bearings, and address steering issues. * **Frame:** Learn about the motorcycle frame, its components, and how to identify and repair potential frame problems. * **Electrical System:** This section covers the complexities of the electrical system, providing detailed wiring diagrams, troubleshooting techniques, and instructions for repair and replacement of electrical components. * **Appendix:** This section provides additional information, such as component specifications, wiring diagrams, and tables that can be valuable resources during repairs. With this detailed manual, you'll be equipped to handle most maintenance and repair tasks yourself, saving money on shop labor costs and gaining valuable knowledge about your Aprilia RS125.

The Aprilia RS125, a legendary name in the world of small-displacement sportbikes, cemented its place in history during its production run from 1993 to 2002. This sleek and powerful machine, powered by a liquid-cooled, single-cylinder, two-stroke engine displacing 124cc, was a force to be reckoned with on the track and the street. The RS125, with its potent power-to-weight ratio, was known for its exhilarating acceleration and impressive handling, making it a popular choice for both amateur and professional racers. The bike's sharp styling, featuring a low-slung profile, a distinctive twin-beam headlight setup, and a sculpted fairing, not only enhanced its aerodynamic efficiency but also exuded an aura of aggressive sportiness. Beyond its performance and aesthetics, the Aprilia RS125 was renowned for its technological advancements. It was one of the first motorcycles to utilize a liquid-cooled, two-stroke engine, offering superior cooling and performance compared to its air-cooled predecessors. The bike was also equipped with a six-speed gearbox, a feature that was uncommon in its segment at the time. The RS125 further stood out with its advanced suspension system, featuring a telescopic front fork and a monoshock rear, both meticulously engineered for precise handling and optimal comfort. The bike's robust construction and high-quality components ensured durability and reliability, making it a favorite among enthusiasts seeking a high-performance machine that could withstand the rigors of both track and street riding.