Here is the rubber push-button starter I used on my ERA FIA. The toggle switch under the red flip-up protector is wired to the ignition coil (I can crank the engine to pre-
oil if I want).
Starting up is a fun game of flip. flip, flip, jab, push, etc., etc. Lots of buzzing and whirring, and then finally... VvvaaRRrrooommm!! Ah, what fun!!
regards,
Jeff