Maybe you're right Lou and it's not a bronze bush. I'll have to take a look next time I do the timing.
I suppose any lubricant might be OK given it's only running at half engine speed. After a quick search the only thing I can find in print about lubricating the bearing is a quote from Snowbum "Put one drop of a decent oil on the outrigger bearing"
... then after a bit more searching I found this on the airheads list
what kind of oil would I put on the outrigger bearing
that goes over the cam? Thanks>>
"A smear of any multipurpose grease would be adequate. I use AC Delco
Distributor Cam Lubricant because somebody gave me three tubes of the stuff, which will last three lifetimes"
Tom Cutter