Saddle-riding type small vehicle and motorcycle

摘要

There is provided a saddle-riding type small vehicle where a power unit is mounted on a vehicle body frame. The power unit includes a valve control device that controls the operation of valve-operation mode changing mechanisms capable of changing operation modes of engine valves, and a clutch control device that controls the operation of a clutch unit provided between a crankshaft and a shift mechanism so as to shift the connection / disconnection of power transmission. In the vehicle, the valve control device and the clutch control device are disposed with disposed with the balance of the center of gravity so as to make a power unit compact. A valve control device (221) and a clutch control device (220) are disposed on left and right sides of a center line CB of a vehicle in a width direction of the vehicle.