This comprehensive workshop service repair manual provides detailed instructions for maintaining and repairing your Aprilia RS4 125, covering models from 2011 to 2014. This manual is designed for both experienced mechanics and DIY enthusiasts, offering a wealth of information to help you keep your motorcycle running smoothly. The manual includes step-by-step instructions for a wide range of procedures, from basic maintenance tasks to complex engine repairs. It covers every aspect of your Aprilia RS4 125, including: * General information and specifications * Fuel system: carburetor, fuel lines, fuel pump * Cooling system: radiator, coolant, thermostat * Engine top end: cylinder head, valves, camshafts * Clutch: clutch plates, clutch basket * Engine lubrication system: oil pump, oil filter * Engine removal and installation * Crankshaft and transmission: crankshaft bearings, transmission gears * Wheels and tires: tire removal and installation, wheel bearings * Final drive: chain, sprockets * Brakes: calipers, brake pads, brake lines * Suspension: forks, shock absorbers * Steering: steering head bearings, handlebars * Frame: frame components, bodywork * Electrical system: wiring diagrams, electrical components, troubleshooting guides Each procedure is accompanied by detailed illustrations, drawings, and photos to guide you through every step. You'll find numbered instructions and clear explanations to make the repair process easy to follow. Critical information is highlighted with notes, cautions, and warnings throughout the manual. The manual also includes a comprehensive table of contents to quickly locate the information you need. Whether you're a seasoned mechanic or a novice, this manual will provide you with everything you need to keep your Aprilia RS4 125 in top condition.

The Aprilia RS4 125, a sporty and lightweight motorcycle, embodies the Italian brand's commitment to delivering thrilling performance in a compact package. This motorcycle, produced from 2011 to 2014, is powered by a single-cylinder, four-stroke, liquid-cooled engine displacing 125cc. It boasts a remarkably lightweight frame, constructed from steel, allowing it to achieve a dry weight of just 125 kg. This combination of a potent engine and nimble chassis ensures exceptional agility and responsiveness, making the RS4 125 a joy to ride on winding roads and urban streets. The RS4 125 doesn't just deliver performance; it does so with style. Its sharp, aggressive design, reminiscent of its larger displacement siblings, showcases Aprilia's distinctive design philosophy. The prominent fairing and sculpted bodywork create a dynamic profile, while the sleek lines and sharp edges accentuate its sporting intentions. This motorcycle is available in a variety of vibrant color schemes, allowing riders to express their individuality. The RS4 125 is the perfect choice for young riders seeking their first taste of high-performance motorcycling or experienced riders wanting an agile and fun-to-ride machine. Its combination of performance, practicality, and styling makes the RS4 125 a truly desirable motorcycle, deserving of its place in the Aprilia family.