Re: Martin 20 won’t run

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August 9, 2018 at 1:48 am #80858
mercuryman
Participant

    Weak spark. Have you cleaned the points and checked for 1 ohm or less resistance across the points. Do you have the Outboarder Club Magazine it has a story on troubleshooting ignition systems. A good spark will jump a 3/16 " gap or more in free air, a weak spark will jump .030 " gap in free air but won’t fire under pressure.