Originally Posted by BrodieMan

so I noticed my new Spektrum(Savox) S6040 was a bit "gritty" when rebuilding my TC. Took the casing off to check it out and everything looked fine debris wise than I noticed when putting the case back on that it was over-tightened screws binding up the bearing. Backed off the screws a bit and it's "smooth as mate"

Just thought I would post this for anyone having a similar problem.