EZGO 4-Cycle Starter Generator Belt Used on E-Z-GO Gas TXT, Medalist, Marathon, 875, 4/6-Passenger Shuttle, ST Express, Shuttle 950, 1992-current, 295cc & 350cc Fuji-Robin Engine, and ST Sport models. Not for use on E-Z-GO RXV, ST480, ST4x4, and 4800 Cushman Commander models Belt measures 1/2-Inch wide x 34-7/8-Inch outside diameter When this part is worn it can lead to rough or jerky start-ups, timely replacement is needed.