Reviewed by more than 20 consumers, more than 90% of the reviews about this Chanoc rebuild kit had positive sentiment, meaning that these customers would probably advise purchasing this product when asked about a recommended rebuild kit.
$27.99 (as of 15/12/2018 22:13 PST details )Features:
- Big bore kit for GY6 50 139qma and 139qmb engine
- Your vehicle will get more power with this item,easier to climb hill than ever before
- Inner Diameter of Cylinder bore 47mm,Outer Diameter of Piston Pin 13mm
- Upgrade your engine from 50cc to 80cc
- Bore size 1.88 inch 47mm