Description
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. Please Note: *You may need to modify your engine case to accommodate the larger cylinder. Please Note: Does NOT fit 161QMK “200cc” engines!
Upgrades to 168.9cc!
Bore: 61mm
Overall Height: 90mm Cylinder Sleeve Outer Diameter: 63.7mm
SUPPORTED MODELS: GY6 QMI/QMJ 152/157, Various unlisted makes/models
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