Re: I never met an outboard I didn’t like until now – 1960’s 40Hp Evinrude

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April 30, 2015 at 9:05 pm #15132
chris-p
Participant

    I would start with new plugs.

    Are you testing spark on an open air gap tester with the gap set to 1/4" or so, or are you holding plug to the block?

    If to the block, perhaps you are being fooled into thinking the spark is good. Perhaps see if it will jump the appropriate gap, mimicking cylinder compression.

    As you said, with good compression, and proper timing, she should at least pop after injecting a fuel/oil mix directly into the cylinder.