Motorcycle, especially scooter type vehicle, with swinging type engine unit comprising an internal combustion engine with a throttle body, a suction piston mounted on said throttle body and projecting therefrom, wherein a fuel injector and an intake air pr...

A scooter type vehicle comprises: a unit swing type engine provided with an engine body having a cylinder assembly forward inclined in a horizontal direction and having a central axis arranged along a longitudinal direction of a vehicle body and a transmis...