| 摘要 |
PROBLEM TO BE SOLVED: To eliminate fuel shortage in accelerating and improve accelerating performance, even if setting the discharge quantity of a carburetor slightly low. SOLUTION: An intake device for a planing boat is so constituted that a 2-cycle engine 9 is mounted on the hull, a propulsion device is driven by the output of this 2-cycle engine 9, a read valve 27 is arranged in the intake system of the 2-cycle engine, a carburetor 30 is arranged in the upper stream side of this read valve 27, an acceleration detection means (A) for detecting an accelerating state of the engine is provided, and at the same time an accelerating fuel increase device (B) for discharging fuel to the intake system is provided so as to discharge and increase the fuel in accelerating.
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