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The bearings and select a pin punch that is skinny enough to fit through the center bearing, and has enough room to angle it slightly to punch out he rear bearing.

Here is a video of bearing removal:

Spray on 2 medium coats, wait 10 minutes, then apply 2 more. It is okay if some gets in to the holes for the bearings, it helps them stay in. Try to avoid drips and make sure to cover all windings. If you over apply it, you will need to sand the stators to allow the propeller and housing to fit back on.

Replacement is the opposite, gently tap the appropriate bearings into the holes using a soft mallet, the front and back are two different sizes.