A MOTORCYCLE (1) PREVENTS AN INCREASE IN AIR RESISTANCE AND PREVENTS WIND AND MUD FROM HITTING A RIDER DURING TRAVELLING OF THE MOTORCYCLE (1). A SIDE COVER (30) OF THE MOTORCYCLE (1) INCLUDES A FIRST SIDE COVER (31) AND A SECOND SIDE COVER (32). THE FIRST SIDE COVER (31) IS DISPOSED LATERALLY OUTWARDS OF A HEAD PIPE (11A) AND A FRONT FORK (15). THE SECOND SIDE COVER (32) IS DISPOSED LATERALLY OUTWARDS OF A PORTION OF THE FIRST SIDE COVER (31). A LATERAL END OF THE SECOND SIDE COVER (32) IS POSITIONED LATERALLY OUTWARDS OF THE FIRST SIDE COVER (31). A REAR EDGE (31D) OF THE FIRST SIDE COVER IS AT LEAST PARTIALLY POSITIONED REARWARDS OF A REAR EDGE (32B) OF THE SECOND SIDE COVER.
