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Universal Parts QMB139 50mm Big Bore Cylinder Kit (151-258)

Product Code: 151-258
Availability: Usually ships the same business day
Regular Price(MSRP) $125.91
Season Special $94.76
Sale 25%

Universal Scooter Parts Universal Parts 50mm Big Bore Cylinder Kit for 50cc 4-stroke QMB139 engines. Upgrades to 81.3cc based on a stock stroke of 41.4mm! Includes cylinder, piston, pin, circlips, rings, head gasket and base gasket.

*You may need to modify your engine case to accommodate the larger cylinder.
  • Upgrades to 81.3cc!
  • Bore: 50mm
  • Overall Height: 70mm
  • Cylinder Sleeve Outer Diameter: 52.6mm
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Universal Parts QMB139 50mm Big Bore Cylinder Kit (151-258)

Regular Price(MSRP) $125.91
Season Special $94.76
Sale 25%
 

Universal Scooter Parts Universal Parts 50mm Big Bore Cylinder Kit for 50cc 4-stroke QMB139 engines. Upgrades to 81.3cc based on a stock stroke of 41.4mm! Includes cylinder, piston, pin, circlips, rings, head gasket and base gasket.

*You may need to modify your engine case to accommodate the larger cylinder.
  • Upgrades to 81.3cc!
  • Bore: 50mm
  • Overall Height: 70mm
  • Cylinder Sleeve Outer Diameter: 52.6mm
 

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