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    Merc 3.0 Closed Cooling System Maintenance

    Hi Boaters, I once again come seeking your help (2nd day in a row) As per yesterdays thread I've removed my exhaust manifold/riser and have ordered new ones, as well as a new thermostat. Since I am super new to boats, I've now figured out that I have a closed cooling system, so while I wait...
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    2004 Mercruiser 3.0 exhaust manifold replacement

    TL;DR Want to replace exhaust riser and manifold. Cant seem to find a DIY. Thank you. Hi everyone. Please excuse my noobiness in the following post. Basically got my first boat a couple of weeks ago. 2004 Bayliner 175 with a 3.0 Merc. Boat hasn't been in the water since last year but was...
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