Advance and throttle notches

[burner31]

Originally Posted by jrelliott

You can use a triangular file to dress-up the groves, then repaint the plates. Would suggest installing new springs at the bottom so there is more pressure of the lever on the plate to keep things from moving.

Thats what I did/used, seems to work real good, my only regret is that I did not make them deeper at the time.