An intake port (62) has an oblong intake port (63) provided on the lower end of an upper portion (53) and opened horizontally and longitudinally in the width direction of the vehicle in a front view, and a longitudinal intake port (64) provided on the front end of a side portion (54) and opened vertically and longitudinally. The oblong intake port (63) is formed so as to be opened horizontally and longitudinally from the upper end of the longitudinal intake portion (64) to the inside in the width direction of the vehicle. The intake port (62) is formed with the oblong intake port (63) and the longitudinal intake port (64).The intake port is in a shape so as to be along the front wheel. Accordingly, the intake port can secure a large intake area . As a result, the amount of the introduced traveling wind can be increased without the enlargement of the front cover.