The Prima SF50, also known as the SF 50, is a 50cc scooter designed for urban commuting and recreational use. Manufactured in South Korea, this model offers a practical and economical mode of transportation, typically featuring a two-stroke, air-cooled engine coupled with an automatic Continuously Variable Transmission (CVT) for ease of operation. Its underbone frame and typical scooter suspension provide agile handling, while a combination of disc and drum brakes ensures reliable stopping power. The Prima SF50 is recognized for its straightforward design and accessibility within the entry-level scooter market. This comprehensive factory service repair manual provides detailed guidance for maintaining and repairing the Prima SF50. It covers essential areas including general information, periodic and scheduled maintenance, engine service and overhaul, fuel system, electrical system, and chassis components. The manual is written in English and is designed for DIY owners, independent repair shops, and professional mechanics, offering factory-level repair and service procedures. It facilitates efficient troubleshooting, diagnostics, and repair, ensuring the longevity and optimal performance of the vehicle.