Slowly rebuilding my 1981 15hp and realizing the previous owners were either very rough on it or had a pretty terrible mechanic. My newest issues is that something isn't quite right with the vertical control shaft for the throttle control. There's a piece snapped off about 1/2 way up (picture included below) which doesn't seem to have any functional role. The bigger issue is that the idle control screw interferes with a piece on the vertical control shaft which makes it so that I can't get a full rotation. Is it the vertical control shaft that is the issue or the idle speed control?
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