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    Carburetor 101 Please...

    FYI I have very little expierence with carbs. Equipment: OMC 4.3ltr Engine with Rochester 2 barrel Engine stumbles around 2800 rpms and up. Starts first time, idles, and accelerated perfect untill about 2800 rpms I noticed that the butterfly flap on my carb was always straight up and down...
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    1987 OMC 4.3 ltr Stumbles during acceleration around 2900 Rpms

    Sorry, this is the second post on this issue. The first time I though we fixed the problem but it didnt. PROBLEM: With muffs or on lake symptoms are the same. Starts and idles GREAT. Once we take off and the engine has been running for a bit it starts missing around 2800-2900 rpms and up. It...
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    4.3 OMC Suddenly started acting like its out of gas

    I have a 1987 OMC 4.3 on a MFB Hull. I just bought it a couple weeks ago. I took it out last weekend for the first time since de-winterizing it. It ran like a CHAMP!! No problems at all. I ran it for a couple hours out on the river full throttle with no issues. Parked it. I put some STABL...
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