Title of this post is steeling the title of a song from the band Chicago in the 1970's, but it applies to the engine in Miss April.
I have now gone through all the carburetor linkages from the gas pedal all the way to the drop links for each carb. They are in sync at all speeds and the full throttle is where I want it to be.
I did find that I was having a couple of issues with one of the carb floats. Firstly, on the tab at the hinge, it was very slightly dented from the needle float valve. The surface needs to be perfectly smooth, as shown in the photo below after all my cleaning and conditioning of the tab. I also noticed that it looked like the float was slightly rubbing on the carb body restricting it from moving freely. All is good now and the float level is rock solid at idle and while holding the throttle open for a long time (both are important).
All part of the engine "Feelin' Stronger Every Day".
Top photo shows the dent/divot when I first started working on smoothing it out. Second shot is the finished version.
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