CB350F/CB400F rear-hub bushings have an unique set-up that they can only enter and exit in one way...
I know it's better not to mess up with these, but it was too late when I realized it.
Made a custom tool out of an anchor bolt but no luck
I ended up using a big easy-out to break the rubber and inner ring.
Used a chisel and a hammer to break the outter ring and here are the results:
The victory is mine!!