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    Mercury 15 HP Coughing

    I have a 15HP Mercury OB that when first started, appears to " cough", which is like a stuttering which then goes away after it warms up. This stuttering almost sounds as if the motor is shifting into gear, which I know it's not. One mechanic told me that the carb is too lean and to adjust the...
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    Serial Number Decoding

    I have a 15HP Mercury outboard serial #0D140587(1990?) and want to identify the correct year/model if possible. Thanks for any help in advance!!
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    Cavitation Plate and Clunking Noise

    I have a Mercury 15HP outboard with a long shaft. I have a 16' G3 jonboat with a 16" transom to which I've added a 4" mounting plate to raise the motor height. The cavitation plate now sits about 2-3" below the bottom(flat)of the boat. Will this cause any problems since it's not level with the...
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