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Recent content by Semirude

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    1978 Evinrude 25hp loss of power after pwrhd swap

    Okay, reeds look fine, most are tight with only a couple where you can see a little bit of light passing through, but definitely no more than the allowed .010”. Fuel pump diaphragm looks great, still very flexible. I did discover one missing bolt on the carburetor bowl, so that could explain...
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    1978 Evinrude 25hp loss of power after pwrhd swap

    I was thinking this could cause the sneezing issue along with the leak of fuel out the front of the carburetor. If the leafs aren’t adjusted right they may not be fully holding their check valve purpose.
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    1978 Evinrude 25hp loss of power after pwrhd swap

    Thanks for the quick reply! I can confirm it is running on both cylinders. I’ll double check the float and clean out the carb and jets when I pull it to change out the reed plate. Could possibly be a slightly clogged jet, especially because it took me a couple months to finish the swap...
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    1978 Evinrude 25hp loss of power after pwrhd swap

    About a year ago I replaced the powerhead on my outboard. My old powerhead cylinders were around 85psi and the new powerhead had about 120psi. I thought, great, I should gain a little speed and maybe at the least maintain speed while carrying more weight. Problem is I ended up losing about...
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    1977 johnson 25 hp need help!!!

    I have a 1978 25hp evinrude and had a very similar issue once I replaced the power pack on my engine. For whatever reason the timing was going to opposite cylinders and was causing a very similar symptom. Once I swapped the ignition coils around the engine ran great. Might be worth a shot.
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