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    Merc 5.7 Overheating 1988

    Hello everyone I'm back. Not sure if that's a good thing or not but hopefully to find a solution for me and future people. I have searched and seen a few things but I would like to pick and confirm my diagnosis before kicking out more BOAT (Break Out Another Thousand). Any help would be greatly...
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    No fire on any cylinder

    I have searched and tried everything I can that I have seen in these forums and I'm stumped. I have a 83 80hp Mercury blue line around cover. I have no fire on any of the four plugs but the motor is turning over fine when turn key, and here is what I have checked so far. Removed both yellow...
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