Then you would adjust the idle-stop/speed screw so that there is a 1-2 mm gap when the servo is in the neutral position. You might need to readjust the spring collars on the throttle linkage to force the throttle arm against the idle speed screw.
An illusion is a distortion of perception. The brain arranges, sorts, and organises data from the senses. Normally the system works well. Sometimes it does not, and we see illusions. In general, they are shared by most people in the same situation.
The illusion of being able to control chance. Chance is one thing we have no control over. No matter how smart or skilled we are, it will not make us any luckier. But when gamblers bet on games of chance, they think they are using their mind, as if they were playing games of skill.