Re: Stalling 1965 Merc 39

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June 10, 2018 at 11:42 pm #77764
david-bartlett
Participant

    I had a 9.8hp of the same vintage that would do the same thing. One of the check valves in the fuel pump was stuck, so it would not pump well, and these pumps are small to start with. Ran great with the tank up high. Unsticking the check valve fixed my issue.