Take an ohm reading across both breaker sets.----The rotor is held in place by the wave spring and flywheel.----Not sure why you are obsessed by any wobble that you appear to observe !
???---Guessing does not work.----Have you looked closely at the rotor and cap ( have one in front of me ) to see how spark from the coil gets to each plug lead???---Firing is determine by opening of the breaker points !----Have you cleaned all areas of cap and rotor to remove any traces of...