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  1. J

    Merc 4.5 cooling problems

    I have a 1980 Mercury 4.5 that wasn't pissing. So, I replaced the impeller. It spit few times, and then it turned to steam. I thought part of the old impeller might have got stuck, or something.(nothing) So, I tried air & it's bypassing the tube up near the head. So, I took the main shaft...
  2. J

    Info on a 78 Merc 50hp

    I have a broken line on my motor. It's a little 1/8" line that runs on the drivers side from the top (cylinder) to the bottom (cylinder). My question is: the fitting on the top, is it a press in? The has a little sleeve for the end of the hose, and then it kind of balloons out next to the...
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