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Universal Parts 47mm QMB139 Cylinder Kit

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$59.99
SKU: 151-255
Restock: Late April

This item is IN STOCK

Current Stock: 7

Universal Parts 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.

Please see our Warranty & Returns Policy.

*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
QMB139 50cc/49cc

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