Patent ID: 7014517

Claim:
An engine control apparatus comprising: a switch case fixed to a handle bar; a stop switch body that is formed in the switch case and that allows an engine to stop or to be in an idling state; a stop switch knob that is formed in the switch case and that abuts with the stop switch body to activate the stop switch body to allow the engine to stop or to be in an idling state; a lock plate insertable to the stop switch knob; a transponder that is provided at the lock plate that transmits a predetermined ID code; and a control section that receives the ID code transmitted from the transponder and that controls the engine operation based on the ID code, wherein the control section comprises an antenna that receives the ID code that is transmitted from the transponder and a communication circuit that processes the ID code which is received by the antenna, said antenna and said communication circuit being provided on a common substrate within the switch case, and wherein the stop switch body is activated to allow the engine to stop or to be in an idling state if the lock plate is disengaged from the stop switch knob.