To provide a motorcycle having an engine unit reduced in size and a radiator suitably arranged.

In the motorcycle 1, a car body frame 2 between a head pipe 3 supporting the front wheel 4 capable of steering it to right and left and the drive seat 20 for seating an occupant and a car body cover 24 are curved downward into a substantially U shape to form a foot passing space 26, a front fender is provided to the front wheel 4 rotatably provided, an engine main body 29 equipped with a cylinder assembly 33 and a crank case at the back of the front fender and an engine unit 13 equipped with a transmission part 30 are mounted to the car body, and an inlet device 57 is provided to the upper part of the cylinder assembly 33. A fixing part for fixing the engine unit 13 is provided to the car body frame 2 near the lowest part where the car body cover 24 is curved into a substantially U shape, the cylinder assembly 33 is arranged at a position in front of the fixing part with its axial line 37 rising forward rather than a horizontal level in a forward tilting state, while the inlet device 57 and a radiator 102 are arranged in front of the fixing part and above the axial line 37 of the cylinder assembly 33.