Power unit for motorcycle

Details Power unit for motorcycle Power unit for motorcycle

2011-05-31

2011-05-31

Marcelo, Emmanuel M (Department: 3654)

Endless belt power transmission systems or components

Pulley with belt-receiving groove formed by drive faces on...

Fluid pressure actuator for adjustment of member

C474S043000, C474S016000

Reexamination Certificate

active

07951025

ABSTRACT:
A motorcycle including a power transmission device including a continuously variable transmission having a belt wound around a drive pulley and around a driven pulley and a hydraulically-operated clutch provided on at least one of a drive pulley shaft and a driven pulley shaft and an internal combustion engine wherein a supply of working oil to the clutch and of lubricating oil to a continuously variable transmission is enabled while avoiding a complication of an oil passage configuration and an increase in the diameter of the pulley shaft. A clutch control oil passage directs working oil to a clutch and a lubricating oil passage directs lubricating oil to a continuously variable transmission are provided in the particular pulley shaft on which the clutch is provided, so as to be coaxial with each other and be axially isolated from each other.

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