Personal watercraft on which supercharger is mounted

Abstract

A personal watercraft with an engine and a supercharger, in which a speedy, positive operation of the supercharger is ensured. The system includes an engine for driving a jet propelling pump provided in a watercraft body formed by a hull and a deck in such a manner as to extend in a length direction of the watercraft body. An oil pump is provided on the front side of the engine and a supercharger 140 is provided on the rear side of the engine. The supercharger and an end portion of a main gallery communicate with each other via an oil supply pipe. Oil supplied to the supercharger is used for lubricating a bearing portion of the supercharger. Further, the oil is supplied to an oil jacket formed in a bearing casing of the supercharger to cool the bearing casing. A one-way valve is interposed in an oil return pipe which communicates to an oil outlet of the supercharger.

Dependencies are inferred from the claim text.