Reply To: 1969 Mercury 9.8 lack of power in forward

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November 7, 2024 at 5:28 pm #291976
David Stanton
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    Take your spark plugs out and look at them.  If it’s running on one cylinder, the plug not firing will be wet with the gas/oil mix.  These motors will run pretty smooth on one cylinder.

    Dave

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    TerryTom