| 摘要 |
An engine unit for an motorcycle is disclosed in which an accessory drive gear is disposed downstream of primary dampers in the engine power transmission path, and simultaneously upstream of a clutch mechanism in the engine power transmission path. In this engine unit, an accessory, for example, generator, is connected to an intermediate shaft that is parallel to a crank shaft and a counter shaft so as to rotate integrally with the intermediate shaft. An accessory driven gear is meshed with the accessory drive gear, and an accessory damper is disposed between the intermediate shaft and the accessory for absorbing rotational shocks. Furthermore, a starter motor is gear-engaged with the intermediate shaft via a one-way clutch, and the position of this gear engagement is provided between the accessory damper and the accessory driven gear.
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