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#20109
legendre
Participant
    quote Brian Grigsby:

    I had that happen on my 81 Evinrude 50hp. While on muffs running in my driveway. Idled it up slightly and it took off! Pulled spark plugs quickly and it kept going. Kill switch did nothing. Finially choked it and it died. Luckily no damage as she’s still running well to this day.

    Did you ever open it up and determine the cause?