Quoted from sudsy7:What's interesting with this machine is that motor switch 3E never opens on 2 out of the 3 score motor cycles. This is because there is only one long actuating post that will trigger it - the other two posts are too short to reach the "E" level (see attached pic). I guess this was designed to shorten the "on time" a little bit during that particular revolution, thereby injecting a little "randomness" into the spin.
Actually, Gottlieb uses the score motor posts as a way of alternating a feature. I don't know what feature it is on this game. Soccer/SuperSoccer and "300"/Top Score uses the motor posts to feature the "Add mystery bonus" hole, (adding 1-3 bonus). The "Mystery" is really where the current position of the score motor posts are. Also, '60's games Cover Girl and Kings and Queens use the posts to alternate their 3 pop bumpers to score 10 points when lit.