| 摘要 |
A marine propulsion device includes an engine, a propeller, a drive shaft, an exhaust path, a water intrusion detecting portion and a recording portion. The drive shaft is configured to transmit driving force from the engine to the propeller. The exhaust path allows exhaust air from the engine to pass therethrough. The water intrusion detecting portion is configured to detect a water intrusion potential indicating a possibility of water intrusion into the engine through the exhaust path. The recording portion is configured to record a detection result of the water intrusion detecting portion.
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