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GY6 61mm Big Bore Cylinder Kit

  • $64.99
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: All Sales On Clearance items Final*You may need to modify your engine case to accommodate the larger cylinder.

Please Note: Does NOT fit 161QMK “200cc” engines!

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