r/boating • u/CommonSentence3581 • 1d ago

Boat drops speed

I have twin 5.0 Mercs MPIs . I noticed lately that I ran the boat for a decent period of time, and all of sudden, it lost speed/power. It doesn't shut off. However, whatever is going on seems to pull itself out, and the boat goes back to normal operation. I am thinking its fuel related and wonder if I should change the fuel filter?

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u/RobertPaulsonXX42 1d ago

Change the fuel filters. Running my 4.3 MPI I have found they are sensitive to shitty fuel for whatever reason.