175cc GY6 Big Bore Kit - 62mm Piston/Cylinder
Turn your GY6 150cc into a 175cc screamer!
Installation requires crankcase to be split and professionally machined. We offer send-in case machining services in our machining services catalog.
See our other replacement and big bore kits
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Requires Case Machining
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62mm Cylinder
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62mm Piston, pin, clips & rings
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Head gasket and Base gasket