McCulloch Mc 20  ... 1962 Bore 2.125 ... Stroke 1.635 ... Displacement 5.8 cu in

1961 magazine advertisement for the MC-20 McCulloch Go Kart,

Block part number ........................................................ ? Fixed head .................................................................. no Copper o-ring head gasket ...........................................no Flat alloy head gasket .................................................yes Large PTO bearing (pn 6204) ....................................... ? Oilier mount nub .........................................................yes Bolt-in transfer port cover ...........................................no 3rd port intake ............................................................yes 2 Finger ports intake port ...........................................no Factory 9  port  transfer ports .....................................no Machined recess for rod bolt clearance .....................no Cast-in recess for rod bolt clearance ..........................no Ribs in exhaust port ...................................................yes Recess for square exhaust gasket ..............................no Crank PTO thread L/R hand ....................................... R/H Head shroud ............................................................. Chromed Flywheel shroud ....................................................... ?

Mc 20 No model no .. no serial prefix IPL 48884 Owners Manual 486618 Production Period 3/61 to 2/62