I have already tried turning the low speed mixture 1/4 at a time and this did not change anything. It has been idling great all up until today and I never touched the low speed mixture after I set it so I wouldn’t suspect that to be the problem. Could a stuck thermostat cause an issue like this because I do suspect I need to change this one soon because the the tell tale water can almost be too hot to touch sometimes. Yes confirmed spark is fine as well as coils.
Yes i installed a new impeller a few months ago so it’s pumping great. I checked the points and made sure they were gapped correctly, replaced condensers. I will check the coils with a multimeter to see if they are okay. It seems that I’m getting good spark and the timing is okay. Like I said it was running great all that day until I went to flush it out in a test tank. I’m assuming it has to be a fuel issue because I had this same problem with a 72 9.5 where it would cough sometimes at idle and after cleaning the carb it never did it again.
Thanks I had this same issue with my 72 9.5 and after cleaning the carb it ran great so we will see.
Yes I make sure to do this with all my carbs thanks for the heads up though.
I had a feeling that would solve your problems...
Ya I had a feeling it was going to be the carb as well. Looks like the carb had never been rebuilt it had the original float and gaskets. Float was a little out of level too. Runs like a champ now. Thanks for the help!
I used an original oem kit from marineengine.com it comes with the black float. It did have the original cork float however it look pretty gummed up so I just threw it out.
