Description Rear drive set seal for 125cc GY6 QMI152/157 and 150cc GY6 QMJ152/157 engines. This rear drive set seal is used on a wide variety of scooters and ATV brands and models that have Chinese built 125cc GY6 QMI152/157 and 150cc GY6 QMJ152/157 engines. Please check the dimensions on the Specs tab to see if this is the correct rear drive set seal for your Chinese built 125cc GY6 QMI152/157 and 150cc GY6 QMJ152/157 engine. Specifications Inner Diameter: 20 mmOuter Diameter: 32 mmWidth: 6 mm Compatibility Jonway YY125QT-21 Jonway YY125T Jonway YY125T-2 Jonway YY125T-2A Jonway YY125T-3 Jonway YY125T-4 Jonway YY125T-8 Jonway YY125T-10 Jonway YY125T-12 Jonway YY125T-28 Jonway YY125T-29 Jonway YY150 Jonway YY150-1 Jonway YY150-2 Jonway YY150-5 Jonway YY150T Jonway YY150T-2 Jonway YY150T-2A Jonway YY150T-3 Jonway YY150T-4 Jonway YY150T-8 Jonway YY150T-10 Jonway YY150T-12 Jonway YY150T-29