QMB139 47MM Big Bore Cylinder Engine Kit
$21.99
GY6 50CC 47mm QMB139 Big Bore cylinder Engine kit with Cylinder, piston kit, head gasket, base gaskets.
QMB139 47mm Piston Kit
- Piston Diameter: 47mm
- Piston Pin Diameter: 13mm
- Piston Pin Length: 38mm
Cylinder Head Gasket
- 47mm Inside Diameter
Cylinder Gasket GY6 50cc
- Bore: 47mm
Cylinder for GY6 50cc engine
- * Bore: 47mm
- * Please see picture for measurements