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    What is this sound on Mercruiser 4.3, Alpha One?

    I have a rattle that is coming from somewhere around the bell housing. It only is there during idle. It goes away when throttling it, even just pushing a little on the throttle. Here's the sound:
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    Mercruiser 4.3 Dying Problem

    Thanks everyone for your input. The boat was starting and running. It is hard to figure out the problem when it starts runs fine. Nevertheless, I changed the coil, ignition sensor and plugs. It sounds even better now. I'll see how it goes when I'm on the water. Halibut are starting to show up in...
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    Mercruiser 4.3 Dying Problem

    My boat is a Blue Water, too. The puzzling part is that on the second time it happened, I am sure no water went into the tank through the vent hose. It is also puzzling that it starts once back on the driveway.
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    Mercruiser 4.3 Dying Problem

    Thank you for they reply. I'll try the spirit.
  5. L

    Mercruiser 4.3 Dying Problem

    I was out salmon fishing and a wave came high and water went into the gas vent hole even though I have a one way valve on it. The motor stalled. After about fifteen seconds, it fires back up. It runs fine for about five miles going in, then it sputters, backfires, sputters, dies. It did not...
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