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Jonway YY50QT-21 4-Stroke Parts

72 Items

72 Items

The Jonway YY50QT-21 4-stroke uses the 50cc QMB 139 engine. The YY50QT-21 4-stroke requires a 12V/7AH battery and a 729-17.7-30 CVT belt. The front tire is a 120/70-12 and the rear tire is a 130/70-12. The YY50QT-21 4-stroke has front disc and rear drum brakes.