Re: 18HP saga continues. Can’t get past 14mph and 3,900 RPM.

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October 7, 2017 at 1:42 am #65822
chris-p
Participant

    Pull off one plug wire at a time (with insulated pliers of course!) while running. You should hear NOTICABLE RPM drop. If not, you are not running on that cylinder. Sounds like half power to me.