Re: 1968 18 hp evinrude

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March 22, 2016 at 11:02 pm #33803
lindy46
Participant

    Could be many things. Try pumping the fuel line bulb when it bogs down and see if that helps. If it does, you could have a bad fuel pump. Have you checked compression? Have you checked for a strong spark on both cylinders? With a spark tester, it should jump a 1/4" gap.