The Yamaha Vino, model code YJ50RN, represents the first generation of this model, produced between 2001 and 2003. This scooter is engineered with a 4-stroke, 1-cylinder, SOHC engine featuring a 49cc displacement, a 39.0 mm x 41.4 mm bore x stroke, and a 10.6:1 compression ratio. It utilizes a carburetor for fuel delivery and is force air-cooled, with a CDI ignition system. The transmission is automatic with a V-belt drive. Notable physical dimensions include a length of 1740 mm, width of 660 mm, and height of 1040 mm, with a wheelbase of 1275 mm and 105 mm of ground clearance. Its dry weight is 82 kg, making it a lightweight and agile vehicle designed for urban mobility.

This Workshop Service Manual in English provides comprehensive guidance for mechanical technicians. It covers essential maintenance procedures, including recommended Yamalube 4-stroke oil specifications, oil capacities, spark plug gap settings, and tire pressure guidelines for both front and rear wheels. The manual details technical specifications for the engine and transmission, along with physical dimensions. Its purpose is to assist in the proper upkeep, troubleshooting, and repair of the Yamaha Vino YJ50RN, ensuring its continued performance and reliability.