Patent ID: 8757028

Claim:
A crankshaft for a two-stroke engine having a crankshaft body defining a rotational axis, the crankshaft comprising: at least one main bearing journal connected to the crankshaft body; at least one crankpin connected to the crankshaft body, the at least one crankpin being axially spaced from the at least one main bearing journal; at least one receiving platform connected to the crankshaft body, the at least one receiving platform being disposed between the at least one main bearing journal and the at least one crankpin; the at least one receiving platform having a top surface and a bottom surface, the top surface being disposed between the bottom surface and the at least one main bearing journal, the top surface having an edge and a wall, portions of the wall being non-equidistant from the rotational axis and one of the portions of the wall being furthest from the rotational axis, the one of the portions being an outermost portion; and at least one channel defined at least in part within the at least one receiving platform, the at least one channel having a channel inlet and a channel outlet, the channel inlet being disposed between the outermost portion and the rotational axis, in proximity to the outermost portion, and the channel outlet being disposed in proximity to the at least one crankpin.