Storage box structure in motorcycle and method of mounting storage box

摘要

A motorcycle includes a body frame having at least a pair of right and left or front and rear frame members with a storage box that is open upward between the pairing frame members. A riding seat covers the opening end of the storage box from above. The storage box includes a box main body arranged between the pair of frame members with a box constituent member that is detachably mounted below the box main body so as to form an electronic component storage chamber in cooperation with the box main body that composes a part of the wall portion of the storage box. The box constituent member is overlapped with at least a part of the frame members of a pair of frame members viewed in a plane with the box constituent member mounted to the box main body. The box constituent member bulges from the box main body.