Patent ID: 7886634

Claim:
A powertrain for a motorcycle having a motorcycle engine, comprising: a torque converter having a torque converter housing, a torque converter input arranged to receive rotary power and a torque converter output for transmitting rotary power, and fluid coupling elements arranged within said housing to transmit torque between the torque converter input and said torque converter output, said torque converter input located on a first side and rotatable in a first rotary direction corresponding to a forward movement of a motorcycle; a gear train having an input for receiving rotary power from said torque converter output, and an output connectable to a wheel of a motorcycle; an intermediate gear assembly having an intermediate input for receiving rotary power in a second rotational direction opposite from said first rotational direction, and an intermediate output located on said first side and rotatable in said first rotary direction, and a plurality of intermediate gears arranged between said intermediate input and said intermediate output and engaged in meshing interaction to transfer said rotary power from said intermediate input to said intermediate output and wherein the intermediate input includes an input sprocket to be driven by an engine drive sprocket and the intermediate output includes an output sprocket to drive a torque converter drive sprocket.