Patent ID: 7478696
Filing Date: 2009-01-20
Classification: B62K

Abstract:
1. A motorcycle comprising a steering head pipe, a main frame member extending rearward from the steering head pipe, a power unit comprising a drive source and a power transmission device attached to an output end of the drive source, the power transmission device being positioned within a casing, the power transmission device comprising a centrifugal clutch and a gear train that is located at an output end of the centrifugal clutch, the centrifugal clutch having a diameter greater than that of the gear train, the casing comprising a recess that opens toward the main frame member and the recess being formed at a position offset from the centrifugal clutch, a boss being formed on a base of the recess, the boss being suspended from the main frame member such that the power unit is suspended from the main frame member.