I ran a small electric pump on my airboat. It never failed in the 5 years I had it. No fuel filter or regulator necessary for the little pump. It was mounted to a piece of the steel cagework and made a thumping noise about 1/3 as loud as a Holley Red. LOL. Noise not being a concern.
Going full electric, should you have an electric source failure, you would be unable to make way and electric things have a limited lifespan. Offshore, that could be a problem.
What is the capacity of the charging system on that 140 Johnrude?
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1996 -19' NV Flats 115 Mercury 4-stroke
1983 -20' Wellcraft Center Console 250 XS
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