2 Stroke Big Bore Kits

Big Bore Kits for 47cc and 49cc Motors

These are 44mm big bore kits for 47cc and 49cc motors. We have 3 kit options.

Kit 1 - 44mm Cylinder and cylinder head with gaskets and head bolts

Color Options

No Color $55.00 Red Head $55.00 Red Cylinder & Head $55.00

Kit 2 - 44mm Cylinder, cylinder head, 44mm piston with gaskets and head bolts

Color Options

No Color $65.00 Red Head $65.00 Red Cylinder & Head $65.00

Kit 3 - 44mm Cylinder, cylinder head, 44mm piston and Crank Shaft with gaskets and head bolts

Color Options

No Color $80.00 Red Head $80.00 Red Cylinder & Head $80.00