Re: How Important is OMC Ignition Timing?

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May 26, 2015 at 11:46 pm #16967
vintin
Participant

    Would it be a correct assumption that max motor output would be achieved by setting the timing just before the onset of spark knock? I’d like to get the max out of my 57 35hp OMC but of course don’t want to cause engine damage. I understand that spark knock is difficult to hear in a wide open outboard motor. Thoughts?