Recent content by bronko69er

  1. bronko69er

    Merc 305 Running rough when warm

    Greetings everyone, first time poster but not new to wrenching or tech forums. I've searched quite a bit but have still not convinced myself that I know the source of the problem. Boat in question is a 1980 Formula Thunderbird and has the 305 merc with the alpha one outdrive. The problem started...
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