Motorcycle-use power unit

Details Motorcycle-use power unit Motorcycle-use power unit

2008-09-26

2011-11-15

Phan, Hau (Department: 3618)

Motor vehicles

Power

Having specific motor-to-body-frame relationship

C180S291000

Reexamination Certificate

active

08056669

ABSTRACT:
In a motorcycle-use power unit in which a clutch device arranged in a power transmission path between a crankshaft and a drive wheel is housed in a clutch chamber which is defined between a crankcase and a clutch cover joined to a side surface of the crankcase, the maintenance of the clutch control device can be easily performed while preventing a lowering of oil-pressure transmission efficiency between the clutch device and the clutch control device and preventing an increase in the weight of the motorcycle. A clutch control device performs a changeover of engagement and disengagement of a clutch device by controlling the oil pressure applied to the clutch device. Oil passages for connecting the clutch control device and the clutch device with each other are mounted on a clutch cover.

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