ENGINE

A single-cylinder engine (40) includes a cylinder and a cylinder (42) and a cylinder head (43) stacked on an upper portion of a crankcase (41), and an electronically controlled throttle (61) interposed in an intake passage (56) behind the cylinder head. The vehicle body frame includes a pair of main frames (12) extending rearward from a head pipe (11), and rear portions of the pair of main frames form a pair of body frames (13) bent downward behind the cylinder head. The electronically controlled throttle includes a throttle valve (63) provided in the intake passage and an actuator (65) that opens and closes the throttle valve, and in a side view, an upper edge (73) of the actuator is along a lower edge (71) of the suspension bracket, and a rear edge (74) of the actuator is along front edges (72) of the body frames.