Patent ID: 9249842
Filing Date: 2016-02-02
CPC Classification: F16D,Y10T

Claim Text:
1. A power unit for a motorcycle comprising: an internal combustion engine including a crankshaft rotatably supported on an engine body; a transmission including an input shaft and an output shaft arranged parallel to each other and housed inside of the engine body; a clutch for changing over the connection/disconnection of power transmission between the crankshaft and the input shaft; a hydraulic cylinder for driving the clutch; and a cylinder support member including a cylindrical case portion where a portion of the hydraulic cylinder is housed and is mounted on the engine body; wherein a cover member for covering and surrounding a projecting end portion of the output shaft projecting from the engine body is mounted on the engine body, and the cylinder support member is mounted on the engine body such that a portion of the case portion is arranged in an opening portion formed by cutting away a portion of the cover member; wherein the hydraulic cylinder is fastened to the cylinder support member and the engine body by a plurality of fastening members except one fastening member out of the plurality of fastening members is only utilized for fastening the cylinder support member to the engine body.