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  1. Kailofsouls

    Help with early 80s mercruiser 140hp

    I have a older mercruiser 181ci 140hp 4cyl. Serial number starts as 67 I believe it's around an 82-84. Couldn't get it running after I had a mechanic replace gimbal bearing. After fighting with it and another mechanic even gave up on it, I found that the fuel pump diaphragm was bad dumping gas...
  2. Kailofsouls

    Mercruiser 3.0 won't throttle up

    I have an older mercruiser 3.0 140hp sn 6720261 that has been giving me issues my whole camping trip. So I've been trying to get it running correctly, but every time I throttle up in neutral it stalls. On the lake it won't go over 2000 rpm. If I go VERY slowly it will rev up and roar like a...
  3. Kailofsouls

    73 1150 fuel pump/flow question

    So I replaced the dual fuel pumps on my motor but I think I might have my check valves backwards I'm not sure. When I run the motor after 2 minutes or so if I don't squeeze the primer bulb the motor will die. Vent is clear, tank is clean, all fuel lines are brand new, new bulb, and inline fuel...
  4. Kailofsouls

    Possible water intrusion?

    Ok I'm replacing my fuel lines and pumps in a 73 1150 in-line 6. Pulled the upper pump and there is droplets of water behind the diaphragm. I assume that is not normal. What could cause this? The bottom pump is dry behind it and my plugs look normal not washed clean or anything. Compression is...
  5. Kailofsouls

    72-73 Mercury 1150 checking some information

    I had another post about fuel pumps. but now I'm on to something else just want to double check my info. fuel pumps are replaced, carbs cleaned (seats and float needles replaced as well as gaskets). Idle screws set to 1 1/2 turns out. The problem is I can't get it to start or stay running...
  6. Kailofsouls

    Mercury 1150 fuel pump question

    I've got an older 72-73 merc 1150 and I need to replace the fuel pumps (older style triangle shape) I can't get to the lower one it's below the level of the lower cowl is there a trick to getting to it without pulling the power head? I can't figure out how to get the lower cowl off otherwise.
  7. Kailofsouls

    77 mercury 1150 no top end

    I have a issue where my engine starts idles great seems to accelerate fine till I get to the last half of my throttle at that point it bogs out sometimes stalls rpms drop off and the boat won't lift up or plane out and can't get over 5-10 mph I just had her running at about 35 mph memorial...
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