Patent ID: 7559395

Claim:
An intake air control device for controlling air intake of an engine mounted to a vehicle body frame of a saddle-type vehicle, the engine comprising a cylinder head and an air intake path forming body connected to the cylinder head, the intake air control device comprising: a valve shaft extending in the left and right direction of the vehicle body frame across an air intake path formed in the air intake path forming body, the valve shaft rotatably supported by the air intake path forming body; a butterfly-shaped throttle valve fixed to the valve shaft so as to control the opening of the air intake path; a throttle operating amount sensor which detects a throttle operating amount by a vehicle operator by detecting the amount of rotation of a rotating member that is rotated in response to a throttle operation; an actuator connected to an end of the valve shaft, the actuator comprising an electric motor which is moved according to a detected value of the throttle operating amount sensor; and a throttle operating amount detecting module comprising the throttle operating amount sensor mounted to a storage box, the storage box configured to store the rotating member, the vehicle body frame comprising: a head pipe at a front end thereof; and a pair of main frames bifurcated to the left and right from the head pipe toward the rear, wherein the throttle operating amount detecting module is supported by one of the main frames, disposed in front of the air intake path forming body relative to the forward driving direction of the vehicle, and arranged between the main frames as seen when the vehicle is viewed from above.