Patent ID: 8776628

Claim:
A transmission for a motorcycle comprising: a counter shaft to which a rotation of a crankshaft disposed in an engine is transmitted; a drive shaft to which a rotation of the counter shaft is transmitted; a pair of drive gears mounted on the counter shaft so as to be rotated integrally with the counter shaft; a pair of driven gears mounted on the drive shaft so as to be meshed with the pair of drive gears, respectively, to be rotatable therewith; and a friction ring interposed between the pair of driven gears, wherein the pair of driven gears have inner peripheral end portions to which a hub portion is provided, and the friction ring is fitted in an outer peripheral surface of one of the hub portion, and wherein the pair of driven gears are arranged adjacent to each other, one of the driven gears is formed with a recessed portion facing another driven gear such that at least a part of the friction ring enters the recessed portion in regard to an axial direction of the drive shaft.