[Nonfractal]

First evidence of motor damage caused by the nsr4105 ( f22 ) pinion puller.
   

Pic from Andy 64483 on sotforum.

The nsr King motors have a closed emd bell bearing so there is no way to know whether you are removing the pinion or pulling the shaft trough the motor, until it's too late.
No way back for the motor in this pic