100cc Big Bore 50mm Cylinder Rebuild Kit for GY6 50cc ATV Moped Scooter 139QMA 139QMB
£11.89
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Description
About this item
- This kit can be only used for GY6 139QMB 4 Stroke Engine.
- Inner Diameter of Cylinder: 50mm,Outer Diameter of Piston Pin: 13mm
- Upgrade your engine from 50cc to 100cc
- Your vehicle will get more power with this item,easier to climb hill than ever before
Reviews (1)
1 review for 100cc Big Bore 50mm Cylinder Rebuild Kit for GY6 50cc ATV Moped Scooter 139QMA 139QMB
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Sunny Schroeder –
Learned the hard way that if you don’t orient the piston the right way, you will damage your piston sleeve and potentially have to buy an entire gasket set to tear down your engine to remove the bit of debris from your oil pump… Because it got clogged due to ignorance.Great product. I was the stupid one.