| 摘要 |
IN A MOTORCYCLE HAVING A SEAT LOCK MECHANISM (65) ON A SIDE OPPOSED TO A HINGE MEMBER (21B) OF A SEAT (20) SUPPORTED BY THE HINGE MEMBER (21B) SWINGABLY IN AN UP AND DOWN DIRECTION AND ARRANGED WITH A FUEL TANK (22)ON A LOWER SIDE OF THE SEAT LOCK MECHANISM (65), THE SEAT LOCK MECHANISM (65) IS ARRANGED TO SHIFT TO ONE SIDE IN A VEHICLE WIDTH DIRECTION AND THE FUEL TANK (22) IS CONSTITUTED BY AN ASYMMETRIC SHAPE HAVING A SEAT LOCK ESCAPING RECESSED PORTION (60F) ON THE ONE SIDE IN THE VEHICLE WIDTH DIRECTION AND AN AIR STORAGE PROJECTED PORTION (60G) ON THE OTHER SIDE.(FIG.2)
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