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    OMC 4.3 losing power at WOT.

    Hello So here is my problem and if anyone can help it would be greatly appreciated. My 18 1/2 ft boat with 4.3 OMC loses power at WOT sometimes.... It idles good and mid speed is good. At wot it will run good @ 4200 rpms then suddenly drop to 3000 rpms for a while the back up. New fuel...
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    Help identifying my outdrive?

    Hello My old outdrive needed alot of work and I was able to find a replacement off of a different boat with the same motor (OMC 4.3) The replacement was rebuilt three years ago with all new parts and runs great. But my old prop was bent and the replacement came with a prop. I can't get my...
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    4.3 omc clunk noise and options, rebuild vs conversion?

    Hey guys, new to the post, I have had the clunk noise and didn't have all the info I do now and the many things I have learned in the past few weeks. Bought a new to me boat 1990 seaswirl with OMC 4.3 motor and outdrive. Boat was purchased in the slip. The second time out sounded like I was...
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