Gates Powerlink Standard CVT Drive belt size 724 X 17.5 X 28. The belt can replace and is meant to be used on China 50cc models that have the 723 X 18 X 30
This belt is suitable for: Eton sport 4T QMB-B four stroke, engine 1B01T5201, Longcase QMB139 49cc, 4-stroke scooters.
PL-20403 Please note this will work on long case GY6 50cc China Engines that are 723 X 18 X 30 and QMB139 that are 724-17.5-28 Chinese 50cc 4T Scooters. Both will work and Gates is one of the best replacement 50cc belts we carry.
This belt is suitable for: Eton sport 4T QMB-B four stroke, engine 1B01T5201, Longcase QMB139 49cc, 4-stroke scooters.
PL-20403 Please note this will work on long case GY6 50cc China Engines that are 723 X 18 X 30 and QMB139 that are 724-17.5-28 Chinese 50cc 4T Scooters. Both will work and Gates is one of the best replacement 50cc belts we carry.