Patent ID: 8322493
Filing Date: 2012-12-04
Classification: F01M,F02B

Abstract:
1. A power unit provided with a dry sump type lubricating device, said power unit comprising: a power unit case divided into a front unit case and a rear unit case, a power unit case cover that covers at least one of said front unit case and said rear unit case; a crank chamber formed by said power unit case; a crankshaft rotatably supported by said crank chamber; a transmission chamber disposed adjacent to said crank chamber; a shift shaft rotatably supported by said transmission chamber; an oil tank disposed on the crank chamber side of an anteroposterior outside surface of said power unit case cover and extending from a lower end of said power unit case cover to an upper end of said power unit case cover; a shift motor for shifting a shift gear of the shift shaft is disposed on said power unit case cover; and a hydraulic control device for controlling a shift clutch, provided on said transmission chamber side of the anteroposterior outside surface of said power unit case cover, wherein said oil tank is disposed at a location which is provided axially outside said crankshaft, said shift motor is surrounded by said oil tank, said hydraulic control device and an output shaft projecting from said transmission chamber, and said oil tank, said hydraulic control device, and said shift motor are overlapped with said shift clutch in an axial direction of said crankshaft.