Seller notes

Upgrade your bike! ENGINE ONLY- not a full kit. -Upgraded crank bearings. -Trued crank- lower vibration. -Better quality piston. -Comes with 8mm grade 8 mounting bolts. -Hand ported cylinder for more power. Engine only- ported cylinder, copper head gasket, OZ magneto (bigger with more windings, stronger spark. Fantastic relaible performance motor. Need something super reliable and low-cost but want more power than a stock motor? This is for you. Cylinder needs to be assembled on engine- instruct...

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