[Steves46]

Larry was correct-there was a step. Filed-it down and installed however there was no improvement and behaved the same as before; even with the spark advanced, the RPMs did not increase and when I fully retarted it, the motor stopped running. Since this was in the previous owner's parts stash, I suspect he already knew it was not going to work. Oh well, I'll keep my eyes out for another one reasonably priced.