摘要 |
Disclosed is a jet-propulsion personal watercraft utilizing an open-loop cooling type engine, capable of judging that sufficient warming up of the engine has been achieved, and of executing control so as not to increase an engine speed of the engine before completion of sufficient warming up. The personal watercraft is adapted to limit the engine speed to be lower than a predetermined engine speed when a temperature of cooling water of the engine is lower than a predetermined temperature.
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