Importance

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Abstract

A single-cylinder engine includes a cylinder and a cylinder head stacked on an upper portion of a crankcase, and an electronically controlled throttle interposed in an intake passage behind the cylinder head. The vehicle body frame includes a pair of main frames extending rearward from a head pipe, and rear portions of the pair of main frames form a pair of body frames bent downward behind the cylinder head. The electronically controlled throttle includes a throttle valve provided in the intake passage and an actuator that opens and closes the throttle valve. In a side view, an upper edge of the actuator is along a lower edge of the suspension bracket, and a rear edge of the actuator is along front edges of the body frames.

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First Claim