I was mistaken in my original post that the HUDY kit I purchased was for a .21 not a .12.
Anyway, to remove the rear bearing a 12x5mm collet was used to pull the rear. Can confirm it works for the front/rear for the OS21TM engines as well.
I was able to create a little local bearing change/TRX...
I acquired a Hudy .12 bearing puller tool, where I was able to push out the 7mm front bearing.
Rear bearing is 12mm, however Hudy doesn't make a collet for 12mm ID bearings. However, Red's makes one.
I'm wondering if the Red's 12mm collet will fit onto the Hudy bearing puller toolset.
I...