Patent ID: 7351185

Claim:
A transmission control device of a motorcycle comprising: a shift manipulation member which performs a shift operation; a shift operation detector which is arranged on a member which is operated by an operation of the shift manipulation member; and a shifter which is interlockingly connected with the shift manipulation member and is capable of transmitting a drive torque of an engine by selecting a gear among gears at a plurality of gear shift positions with the manipulation of the shift manipulation member, wherein the transmission control device further includes a gear shift position detection means which detects a position of the gear shift position, a control unit which determines a shift operation starting time in response a detection signal of the shift operation detector, and controls at least an intake air amount to the engine corresponding to the gear shift position detected by the gear shift position detection means thus controlling the engine so as to allow an output of the engine to be changed smoothly, wherein the shift operations detector is a sensor capable of detecting whether or not a predetermined physical load applied has been applied by a motorcycle rider to the shift manipulation member.