Patent ID: 7168517

Claim:
A throttle valve opening control device for an intake side of an engine, wherein said engine includes a plurality of intake passages formed in a throttle body, a plurality of valve shafts being provided in the throttle body, a plurality of throttle valves for opening and closing the intake passages are mounted on the valve shafts, whereby throttle valve openings are operatively controlled by a rotational movement of the valve shafts via a throttle grip, said throttle valve opening control device comprising: a drum being connected to the throttle grip by a wire, an input shaft which is integrally mounted in the drum, an output shaft which is operatively connected to the input shaft by a power transmission device, a connecting member which connects the output shaft to the valve shafts, and an actuator which drives the power transmission device to provide the relative rotation of the output shaft with respect to the input shaft, wherein the input shaft and the output shaft have respective axes thereof arranged along a straight line, the actuator is arranged in a position parallel to the output shaft, and the output shaft and the actuator are juxtaposed substantially vertically along a centerline of the intake passage.