V-Belt CVT Variable Drive Belt Standard 871 23 30 Fits on 250cc 300cc GY6 Yamaha Linhai Engines V-Belts are made for high mileage and reliability. Oil and heat resistant. Fits on 250cc 300cc GY6 Yamaha Linhai Engines BELT SIZE: 871 23 30 Package Includes: 1 x 871 23 30 Standard Belt.