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    HELP!! Winterize 5.7 liter mercury

    wondering where all the drain points are to drain the water from my 5.7 liter mercruiser/inboard. I already opened the drain by the water pump but where are the other drains on the block and what else should be drained down. I Also just ran 2 gallons of RV antifreeze through it. what other...
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    2000 HPDI 150 yamaha warning buzzer going off

    I replaced the water impeller last week and that did not fix the problem. When the boat idles at lower rpm eventually the warning buzzer goes off, to get the buzzer to go off I have to drive the boat then it quits. I was wondering what it could be ,I'm leaning toward a bad thermostat on one of...
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    1985 VRO 140 carb problems

    I was wondering on the VRO 140 what the 2 jets are on each carb.Is one a low speed jet and the other a high.One has 40 written on it and the other has no clarification of what size it is. Looking to clear up a low speed stutter issue,from 500-2000RPM's the boat runs real rough from 2000 on it...
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    How to test a coil?

    I have a 4.3 liter and was wondering if there is any way to test a ignition coil.
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    Don or Bondo, 4.3 wont run right???

    I wrote earlier stating my boat motor was recently rebuilt (1988 Lund with 4.3 liter/ cobra outdrive) and Im having trouble with it running at low rpm and at high rpm in the water. If the boat is out of the water with the muffs on it runs fine. Here is what Ive done to narrow it down, rebuilt...
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    1988 4.3liter omc , stalling problems?

    I recently rebuilt my 4.3 liter omc,(GM)I hooked muffs up to it and ran it at my house and it seems to run great. I put it in the water and it runs good for a couple minutes then stalls.The engine will sit for maybe 5 or 10 minutes then starts right back up. Water seperator has been replaced...
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