47mm QMB139 Cylinder Kit
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47mm QMB139 Cylinder Kit (151-255)
47mm QMB139 Cylinder Kit
Item-Code : 151-255
Regular Price : $83.00
Season Special: $59.99
Qty :

Availability :Usually ships the next business day


 





Product Description
50cc QMB139 4-stroke 47mm, Performance Cylinder Kit. Upgrades to 72cc!

Kit includes cylinder, piston, rings, piston pin, cir clips, head gasket, and base gasket.

*You may need to modify your engine case to accommodate the larger cylinder.


  • Upgrades to 72cc
  • Cylinder Bore: 47mm
  • Cylinder Sleeve Outer Diameter: 52.7mm
  • Wrist Pin Diameter: 13mm
  • Total Piston Height: 34.4mm
  • Compression Height (from center of wrist pin hole to top edge of piston): 17.25mm
 
 
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