Twitching KO RSX One10

[Cliveyp]

I’ve recently picked up a used KO RSX One10 servo for my TC. On bolting it in tonight I noticed it has a shake.....nothing major, it’s pretty much all taken up in the general slack of the steering joints, but it’s still there. It also seems to still be there if I add a bit of lock too - although does initially calm down when you first hit lock - but if you hold a steady amount of lock it twitches.

I’m running a HW XR10 Pro, so I’ve tried swapping to 7.4V BEC but this changes nothing.

Any one experienced this before? Any ideas what might solve it?