Use a button hone like the one that's for polishing brake cylinders to carefully fit the bushing to the shaft. I'd use the more conventional term for that kind of hone, but the hall monitors would get their manties in a wad!
Jerry

"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!