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GY6 61mm Big Bore Cylinder Kit Universal Parts

LogoUniversal Parts 61mm Big Bore Cylinder Kit for 150cc GY6 4-stroke engines. Upgrades to 169cc based on a stock stroke of 57.8mm! Includes cylinder, piston, pin, circlips, rings, head gasket, base gasket and chain tensioner gasket.


*You may need to modify your engine case to accommodate the larger cylinder.
  • Upgrades to 168.9cc!
  • Bore: 61mm
  • Overall Height: 90mm
  • Cylinder Sleeve Outer Diameter: 63.7mm

GY6 QMI/QMJ 152/157, Various unlisted makes/models

$71.99

2 in stock