The adjustment actually does nothing to the linkage itself. It simply goes straight to the source and limits the fuel.
Actually, limiting the pedal travel wouldn't do much because if the target speed is far below the "stop point" it will still give full fuel. It is like a lawn mower governor the way my engine controls fueling. It is "speed governed" not "load governed" (a gasoline engine is load governed, that is why a pedal position could be fine in gear but redline out of gear; with my truck, if I am loading down the engine and take it out of gear, it will go to a certain rpm and stick there)
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