It's hard to tell if a carburetor is clean. Some of the jets can have a hole that's the size of a human hair. All it takes is enough time without running to evaporate the gas and leave a plug of gunk in a jet. Did you completely disassemble it and soak it in carb cleaner?
The only other thing I can think of is to run Stabil into it at 100% concentration like it says on the bottle. Then after the recommended soaking time, run it on the lake. You will likely get a lot of smoke initially as it burns off the carbon. It will also likely un-stick any sticky rings. Good Luck!
Age 65.
20 ft. Jetcraft. 90hp Evinrude Etec, 8hp Yamaha kicker, Minn Kota electric troller. Electric 1106 Scotty downriggers, Lowrance HDS7 Fish Finder/GPS. Airmar P66.
Also have a 15 ft. Gregor. 25hp Yamaha electric 2-stroke. Two electric 1106 Scotty downriggers. Lowrance HDS7 Fish Finder/GPS.
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