Yeah, so you are at the mercy of the very thin plastic cover holding the weight of that entire motor. Really, really, really, really dumb design! Really dumb.
I freakin' hate when company's try to idiot proof gear mesh setup by using a device to time the motor. So after setting mesh by locking motor into the correct teeth, it's just a plastic cover holding the motor there. Yuk!
On the 21531 moto mount cam, is there any adjustment of the motor in...