I searched, and found 2 fixes:
1) Shim it with a piece of aluminum can. Did that, and it helped somewhat but doesn't seem permanent.
2) Machine a new stud big enough to fill the hole in the lever. Not feasible because I don't have access to a lathe or anyone that can do it for me.
How far over bore do you think I can go before the arm gets weak? I was thinking that if I find a needle bearing to fit the stud, then ream the lever to fit the bearing, the clearances will be tight again, and likely stay that way. I just don't want to over-ream and weaken the lever. I don't think I want to grind the stud - it has a groove in the center that holds grease and that's probably good to retain.
Thoughts and suggestions welcome!

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