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    Mercruiser 120 Running on 2-cylinders - Update, need help

    http://forums.iboats.com/showthread.php?t=247365&highlight=mercruiser+flooding I posted this thread a couple weeks ago, and still have not been able to figure it out. I am starting to think it is not flooding anymore. I think the wetness I amseeing in the carb is from it popping back out the...
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    Mercruiser 120 Running on 2-cylinders - Flooding

    I have a 1977 Mercruiser 120. I went to Summerize the boat and I can not get it running on all 4. At first I could not get it running at all, but after a while I got it to fire but it is only running on #1 and #4. (I pulled the plug wires while running) I checked over all the electrical stuff...
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    Mercruiser 5.7L Water / Condensation in Oil?

    This question is for a friend of mine. He has just bought a 1983 Formula III Thunderbird with a 260hp Mercruiser 5.7L. He got the boat from a lady who won it in a divorce settlement and did not really know how to take care of it. She blew the outdrive on it and then it sat for a couple years. We...
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    Mercruiser 120 engine stumble

    Ok here goes, I have a 77 mercruiser 120 in a 18' Marquis that has a bad stumble / hesitation when you get on the throttle. I know this has been discussed on here before but I think I have done everything that was suggested. Since getting the boat a few weeks ago I have replaced the following...
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    Mercruiser 120hp - Couple Questions

    I have a '77 Mercruiser 2.5L 120hp that has a couple issues. First issue is running hot / borderline overheating. This problem seems to be inconsistant, I was camping all last week and used the boat every day. Some of the time I would take the boat out and the water temp would climb to over...
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    Trim goes down but not up or trailer

    Hey everybody, I just last night bought a 1977 Marquis 18ft with the chevy 2.5L 4cyl mercruiser in it. It had been sitting for a few years so we started going through it. Got it running by pouring gas in the carb but realized the fuel pump was shot, so I am picking one up today along with oil...
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