The Aprilia SR 50 1997-1999 Service Repair Manual is a comprehensive guide for maintaining, servicing, diagnosing, and repairing your motorcycle. This manual is designed to be used by both professional technicians and DIY enthusiasts, providing detailed step-by-step instructions and repair information. The manual covers a wide range of topics, including: * **General Information:** This section provides an overview of the Aprilia SR 50, including its specifications, design features, and safety precautions. * **Periodic Maintenance:** Learn about the recommended maintenance schedule, including oil changes, filter replacements, and other routine checks. * **Engine:** The manual delves into the engine system, covering topics like engine removal and installation, valve adjustments, piston and cylinder replacement, and troubleshooting common engine problems. * **FI System Diagnosis:** For equipped models, this section provides detailed information on diagnosing and troubleshooting the fuel injection system. * **Fuel System and Throttle Body:** This section covers the fuel system, including the fuel tank, fuel pump, fuel lines, and throttle body. * **Exhaust System:** Includes information on the exhaust system, including the muffler, catalytic converter, and exhaust manifold. * **Cooling and Lubrication System:** Learn about the cooling system, including the radiator, water pump, and coolant, as well as the lubrication system, including the oil pump and oil filter. * **Chassis:** The manual covers the chassis, including the frame, swingarm, wheels, and suspension. * **Electrical System:** Learn about the electrical system, including the battery, starter, alternator, wiring harness, and lighting system. * **Servicing Information:** This section provides detailed information on servicing the motorcycle, including brake system adjustments, tire replacement, and other maintenance tasks. * **Emission Control Information:** For models with emissions control systems, this section provides information on diagnosing and repairing these systems. * **Wiring Diagram:** A comprehensive wiring diagram is included to help you understand the electrical system. This manual is your ultimate resource for keeping your Aprilia SR 50 in top condition. With its detailed instructions, numerous illustrations, and troubleshooting guides, you'll have the confidence to tackle a wide range of repairs and maintenance tasks.

## Unveiling the Aprilia SR 50: A Pocket Rocket of the 90s The Aprilia SR 50, produced between 1997 and 1999, was a compact and sporty scooter that captured the hearts of young riders across Europe. Built on a lightweight tubular steel frame, this little machine boasted a sleek and modern design, a characteristic that set it apart from its contemporaries. The SR 50 featured a distinctive, almost futuristic fairing with a prominent front headlight and a minimalist, yet functional, instrument cluster. Its low seat height and nimble handling made it an ideal choice for both beginners and experienced riders seeking urban agility. Powered by an air-cooled, two-stroke, 49cc engine, the SR 50 delivered punchy performance for its size. The engine, coupled with a CVT transmission, offered a smooth and responsive ride, making it perfect for navigating city streets and tackling winding roads. Although designed for short-distance commuting and recreational riding, the SR 50's robust build and reliable performance made it a popular choice for daily use. The scooter's popularity was further amplified by its practicality, incorporating features like a lockable under-seat storage compartment and a front luggage hook, making it perfect for carrying everyday essentials. This simple yet effective combination of style, performance, and practicality cemented its place as a beloved icon of the late 90s scooter scene.