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    Sea Ray with MerCruiser MCM 4.3LX coupler temperature

    Thanks for your response. That gives me a little confidence that it will be okay. Of course I am a bit cautious since we have not been able to find out why the old one broke.
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    Sea Ray with MerCruiser MCM 4.3LX coupler temperature

    Hello, We burnt out the rubber of our engine coupler. Don't now why, checkt the alignment at the start of the season with my self made alignment tool and this looked oke. I now bought a real alignment tool to be sure. Pulled the engine, replaced the coupler, front engine mount and rear engine...
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    MerCruiser MCM 4.3LX back fires after a while

    Whell, it has been some time and we fixt the problem! Checked timing: This was a little bit off and it goes faster now it is set correctly. Bud still had the problem. Replaced all the sparkplugs were looking oke bud still replaced them. No difference in the problem. Tried different octane...
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    MerCruiser MCM 4.3LX back fires after a while

    Yes that sounds correct, thank you for the infomation. I have the service manual an also the top cover.
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    MerCruiser MCM 4.3LX back fires after a while

    Thanks for your comment. The serial number: 0F777896 Haven't checked the timing yet, I'll put that on the list. I'll have to get a timing light from somewhere.
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    MerCruiser MCM 4.3LX back fires after a while

    Hello people. This winter we bought a Sea Ray Seville 180 with a MerCruiser MCM 4.3LX in it. The engine starts almost immediately and runs nicely. However, after boating for a while the engine starts to hold back, first at full throttle but later also at half throttle, when you then accelerate...
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