Recent content by cpdupont68

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    1976 Evinrude 9.9

    UPDATE: The old girl is back in action! New OEM Fuel Pump was the fix. After comparing the 2 pumps, I think it must have been an after market pump because the Evinrude was a bit thicker 3/16". However, I was using an OEM rebuild kit, but who knows? A little lighter in the wallet but I get to...
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    1976 Evinrude 9.9

    So... I check suction at front of carb and it was fine. It was not spitting gas. I could not check pulse as I am solo today. I went back thru all the posts to see if I was missing something. Jimmbo originally "asked if the gasket between the pump and mount was sealing" So I took off the brand...
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    1976 Evinrude 9.9

    Plan to tomorrow. Thanks
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    1976 Evinrude 9.9

    "putting your finger on the engine side pulse opening should allow you to feel the pumping pressure" As it is running? I can't really feel much when pulling the starter rope.
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    1976 Evinrude 9.9

    No gas was coming out of the hose from pump to carb. Yeah... I think this is getting above my pay grade? I am just going to assume I rebuilt the fuel pump wrong ( 3 times???) or it is defective in some way. I am going to bite the bullet and purchase a way overpriced OEM Fuel Pump and pray...
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    1976 Evinrude 9.9

    Ran 2:20 on full bowl
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    1976 Evinrude 9.9

    Pulled the fuel pump for the 3rd time. Rebuilt it 100% correctly. No Luck! Motor dies between 2 - 3 min every time. Sucks because is starts with one pull and runs beautifully. Any other suggestions out there???
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    1976 Evinrude 9.9

    I I don't really see any of the typical indicators of a Reed Valve problem. • Hard starting • Erratic idling • Unburned fuel spitting back out of the carburetor
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    1976 Evinrude 9.9

    .
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    1976 Evinrude 9.9

    Checked Compression: Top = 92 Bottom = 99 * roughly a 7% variance which is okay... correct?
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    1976 Evinrude 9.9

    Okay... Did the gravity feed test and the engine ran like a champ for over 10 min. without pumping the bulb. I kept it running and lowered it to the ground, and she died with in 2 min at medium throttle. I tried testing the pulse but was difficult to feel much by pulling the rope. Definitely...
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    1976 Evinrude 9.9

    Makes sense that it might be carb related due to the fact it was running fine until I rebuilt the carb over the winter because it was a new motor to me and I had no idea when it was last done. I rebuilt using an OEM kit replacing the old cork float. The first thing I did when I encountered the...
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    1976 Evinrude 9.9

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    1976 Evinrude 9.9

    Nope, quality black ones.
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    1976 Evinrude 9.9

    It will die at idle and also at increased rpm. after bowl is empty (3 min). I double checked the pump assembly because I thought I must have made a mistake the first time. Looks correct according to manual and several youtube videos. I will try your gravity trick tomorrow. Thank you so much...
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