- Upgrades to 168.9cc!
- Bore: 61mm
- Overall Height: 90mm
- Cylinder Sleeve Outer Diameter: 63.7mm
Universal 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.
Out of stock