47mm QMB139 Cylinder & Head Kit

 
 
47mm QMB139 Cylinder & Head Kit
Item-Code : 151-242
Regular Price : $107.00
Season Special: $78.99
Qty :



 





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

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

  • 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
  • Intake and Exhaust length 64mm


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Rocker Arm (151-101)
Rocker Arm (151-101)

 
 

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