Crankshaft Motoforce 22 ZäHne GY6 50Cc 4T

Crankshaft GY6 4-stroke Crankshaft OEM quality GY6 (4-stroke) 139QMA / 139QMB with 22 teeth, low-priced replacement crankshaft for your old/damaged/worn one. The crankshaft ist pre-pressed and comes with main bearings and connecting rod. Features GY6 crankshaft This is the GY6 crankshaft with 16 teeth pinion. Two different versions are already factory-fitted in the GY6 engines. The only difference is the drive gear for the oil pump on the right-hand side. The old crankshaft version with 16 teeth used in almost all scooters has a gear with 16 teeth. The newer crankshaft version with 22 teeth is used, for example, on new Rex models. To be on the safe side, please recount the teeth of the gearwheel for the oil pump drive.