This comprehensive Aprilia SR50 DITECH 1999 Factory Service Repair Manual is your ultimate guide to maintaining and repairing your scooter. It covers every aspect of the SR50 DITECH, providing detailed information and step-by-step instructions for all repair procedures. The manual begins with general information about the Aprilia SR50 DITECH 1999, including specifications, safety precautions, and troubleshooting tips. You'll then find in-depth sections covering each major system: * **Fuel System:** Learn about fuel lines, fuel pump, injectors, and carburetor. * **Cooling System:** Explore the intricacies of the cooling system, including the radiator, thermostat, and cooling fan. * **Engine Top End:** Understand the workings of the cylinder head, valves, camshaft, and other critical components. * **Clutch:** Discover how to diagnose and repair issues with the clutch system. * **Engine Lubrication System:** Gain knowledge about oil pumps, filters, and lubrication procedures. * **Engine Removal / Installation:** Master the process of removing and reinstalling the engine. * **Crankshaft / Transmission:** Dive into the complex workings of the crankshaft, transmission, and gears. * **Wheels / Tires:** Learn about tire maintenance, wheel balancing, and replacement. * **Final Drive:** Explore the final drive system, including the chain or belt drive. * **Brakes:** Discover how to service and repair the brake system, including calipers, rotors, and pads. * **Suspension:** Gain insight into the suspension system, including shocks, forks, and struts. * **Steering:** Understand the workings of the steering system, including the steering column, handlebars, and bearings. * **Frame:** Learn about the frame construction and how to diagnose and repair damage. * **Electrical System:** Explore the electrical system, including wiring diagrams, battery, starter, and lighting systems. * **Appendix:** Find additional information, including torque specifications, wiring diagrams, and troubleshooting charts. This manual is a valuable resource for any owner or mechanic looking to perform repairs, maintenance, or troubleshooting on an Aprilia SR50 DITECH 1999. It provides detailed illustrations, diagrams, and specifications to guide you through every step of the process. With this manual, you'll have the knowledge and confidence to keep your scooter running smoothly for years to come.

The Aprilia SR50 DITECH, launched in 1999, was a revolutionary scooter that redefined urban mobility with its innovative engine technology and sporty design. This Italian-made scooter was propelled by a 50cc, two-stroke, liquid-cooled, single-cylinder engine featuring Aprilia's groundbreaking Direct Injection Electronic Control (DITECH) system. This technology, a world first for scooters, ensured cleaner emissions, increased fuel efficiency, and improved performance compared to conventional carburetor systems. The DITECH system electronically injected fuel directly into the combustion chamber, eliminating the need for a carburetor and improving air-fuel mixture for optimal combustion. This translated to a smoother power delivery, better throttle response, and reduced fuel consumption, making the SR50 DITECH a fun and efficient urban commuter. Beyond its advanced engine, the Aprilia SR50 DITECH boasted a sleek and sporty design that set it apart from its rivals. Its low-slung chassis, aggressive bodywork, and sporty handlebars offered a dynamic and engaging ride experience. The scooter featured a telescopic front fork and dual shock absorbers at the rear, providing a comfortable ride and responsive handling. The SR50 DITECH also incorporated a lightweight aluminum frame, further contributing to its agile and nimble character. Its sleek lines and sporty design, coupled with its innovative engine technology, made the Aprilia SR50 DITECH a true game-changer in the scooter segment. It became a popular choice for commuters, young riders, and enthusiasts looking for a stylish and practical yet exhilarating ride. To this day, the SR50 DITECH remains a sought-after classic, admired for its pioneering technology and iconic design.