Crankshaft 16 T 13mm Piston Pin Beeline Veloce 50 4T Racing 12-14
Crankshaft 16 T 13mm Piston Pin Restriction of Kymco and Chinaroller � Replacement crankshaft in standard quality for 50/90 ccm 4-stroke engines (GY6 50, 139QMB / QMA). The crankshaft is delivered pre-pressed with crankshaft bearings and connecting rods. � In the GY6 engines, 2 different versions are installed at the factory. They differ only in the drive gear for the oil pump on the right side. The old version is installed in almost all scooters and has a gearwheel with 16 T. The new version has 22 T and is used, for example, on new Rex models. � For safety, please note the gear T for the oil pump drive. On the product photo the gear in question is shown again in detail.