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  1. #1
    Registered STRAIGHTPRIORITY's Avatar
    My Boats:
    1999 CIGARETTE TOP GUN (lip-ship)
    Join Date
    Jan 2005

    merc 525 question??????

    A gladiator I'm am doing some work on has 525's in it and one started running like chit all of a sudden at all rpm's! changed plugs and did a ddt output test and it says it cannot initialize last 4 cylinders! Also did a miss-fire test and it wolnt change last 4 cylinders.... does anyone have any idea what this could be? Motor has 130hrs on it. internal issues or could it be electrical?

  2. #2
    Registered Semper Fi's Avatar
    Join Date
    Oct 2000

    Re: merc 525 question??????

    Doesn't sound too good.

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