How often do you check you bearings?

Originally Posted by Shark413

You have to be careful regarding the bearings. If they blow out the race the rotor can become loose enough to hit the inner coils which would be bad news. You can grab the end of the shaft/pinion and try to move it, when the bearings wear out you will feel movement, a new bearing or one in good shape should have zero movement.

in and out or side to side?