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  1. M

    1976 merc 500 50hp coil problem

    I was getting no spark at the #3 cylinder so I replaced the coil pack and the boat ran great for ten minute shut it down and started it up 20 minutes later and it bogged down like before I pulled the plug off and no spark again what am I missing should I replace the plug wire and coil again the...
  2. M

    a little help needed.what year is my merc 50hp

    my serial number is 4416941 also what are the correct spark plugs and gap for the motor in question thanks.
  3. M

    what year is year mercury 50hp 500

    I need a little help identifying the year of my merc the model # is 4416941, also the right spark plug part number for that motor would be great
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