I have a maybe 10 run old reedy sonic Mach 2 8.5. It was always noisy, sounded like transmission but it was all perfect. I just stripped to check shimming, and found the sensor board components are actually being warn by the armature, so I shimmed it so it stands away and removed the thinnest shim off the other end. It now has a tiny bit of float, but sounds like a weed whacker when you spin it by hand. Without the sensor board cap on it sounds crazy loud when u spin it by hand. I have spun the armature without the magnet in the bearing and it seems fine.
Has anyone else had this issue? Is it just a bad bearing or something else?
Thanks guys