Home › Forum › Ask A Member › 1965 Evinrude Lightwin – Speed Question › Re: 1965 Evinrude Lightwin – Speed Question

#18176
Anonymous

    See if it runs the same with one spark plug wire disconnected from the plug, and shorted to the head?
    Shorting the spark plug wire to "ground" prevents arcing thru the coil casing to the magneto plate.