Patent ID: 7584814

Claim:
A motorcycle having a front end portion of a rear swing arm being pivoted to a rear swing-arm bracket via a pivot shaft with a rear wheel rotatably supported by a rear end portion of the rear swing arm that is driven by a shaft drive mechanism, said rear swing arm being supported by a rear-wheel suspension, comprising: left and right frame members forming sides of the rear swing-arm bracket; upper and lower cross members extending between upper portions of the frame members and between lower portions thereof, respectively; a connection portion extending between the upper and lower cross members, and forming openings in parallel on left and right sides by partitioning; a front end portion of a shaft drive mechanism and a front end portion of the rear swing arm facing one opening and the other opening, respectively; and a through hole being formed in the connection portion into which the pivot shaft is inserted; wherein the connection portion is disposed within an area where the connection portion overlaps a center line of a motorcycle with respect to a motorcycle width direction and is disposed at a position biased toward the frame member forming the opening which a front end portion of the shaft drive mechanism faces, and wherein the connection portion is provided with an attachment bracket portion to which an upper end of the rear-wheel suspension is attached.