Oh gee I wonder why your pan and tilt motors were losing torque?
(And I wonder who applied that much grease in there? Holy goobers.)

That’s the before…
And the after.
The motor is a Swiss made Maxon and has lots of life left in it, I just carefully de-melted-rubbered and degreased the pulley awaiting a new belt.
Sometimes high tech problems have low tech solutions.