This manual covers the Hyosung SF50, a scooter designed for efficient urban mobility. Featuring a 49cc air-cooled carburetor engine with CDI ignition and an automatic CVT transmission with belt drive, the SF50 offers practical features such as underseat storage and halogen headlights. Its braking system includes a front disc and rear drum setup, with an approximate dry weight of 80 kg. This vehicle is engineered for reliable performance and ease of operation in daily commuting. The purpose of this English-language Service and Repair Manual is to provide comprehensive guidance for the maintenance and repair of the Hyosung SF50. It details essential procedures, including carburetor service and repair, along with specifications for engine oil type (SAE 10W-30) and other critical components. This manual serves as an indispensable resource for owners, technicians, and mechanics, enabling them to ensure the optimal performance, longevity, and safety of their vehicle through accurate servicing and troubleshooting.