Patent ID: 7287511

Claim:
An engine for a leisure vehicle equipped with an electronic control throttle system configured to operate an actuator for driving a throttle valve based on a drive signal sent from a controller to the actuator in response to a rider's operation of a throttle operation device to cause the throttle valve of an air-intake device to open or close, the engine comprising: a first throttle position sensor configured to detect a movement position of the throttle valve; and a detection device configured to detect at least a predetermined position in an open state or a closed state of the throttle valve; wherein the controller determines a deviation between the at least predetermined position received from the detection device and the movement position of the throttle valve corresponding to the predetermined position that has been detected by the first throttle position sensor, compensates for a deviation by adjusting the drive signal based on the deviation if the deviation is above a preset value, and sends the adjusted drive signal to the actuator to cause the throttle valve to open or close.