| 摘要 |
There is provided an exhaust system for a small watercraft, which can effectively reduce exhaust noise and, at the same time, allows high output o f an engine to be easily obtained at the time of high speed traveling. An exhaust outlet of an exhaust pipe extending from an engine provided in a watercraft body is disposed at a position that allows it to sink in the water at the ti me when a travel speed of the watercraft body is a predetermined speed or less, and that allows it to get out of the water at the time when the travel speed of the watercraft body exceeds the predetermined speed. An open surface of the exhaust outlet, as viewed from rearward of the watercraft body, is provided so as to be offset toward a side wall surface of a pump chamber from a center o f a jet pump in the pump chamber and is made oblique toward the side wall surface toward which the open surface of the exhaust outlet is offset.
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