OK so I had a day off work today and tried your suggestion of leaning out the fuel mixture. Seemed to be helping, was finally able to get it to run decent at WOT. Until I put a little load on it. Then it was back to the same. However, new information that might help. After it started cutting out I idled down and shut it off and noticed it was dripping gas from the carb. My assumption at this point is that its time for at minimum a new float, probably a total carb rebuild.
Also, it looks as though the fuel line may be interfering with the movement of the governor linkage on top of the carb. However its the same fuel line that's been on the tractor since I bought it 2 years ago, so I don't know what would've changed there to cause any issue.
Any thoughts?
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