Originally Posted by
Blue Sky
So I figured out about the pinion issue. It does have to do with the motor...the length of the flat on the shaft is the key. I took a Dremel and lengthen the flat and everything is working now. The pinion goes in the normal direction and it centers with the spur, and the set screw aligns with the chassis slot.
Ok, my Team Powers 17.5 is the same way. I forgot that I added shims to move the motor slightly back to allow the pinion to fit. Out of my other Powers motors, only the 17.5 has this issue.