Hi Steve,
Is the detent spring being cut?
Also look for wear on the outer edge of the cam bracket that means
the shoulder rivet is badly worn.
Greasing the cams is not doing much if anything to lube the shoulder rivet.
Try cleaning off the cams and the space under the rivet head where the compression washer is, wash it out with a brush with MMO or WD40 and try to get
some heavy oil (maybe gear oil? comments?)into the shoulder rivet/ cam bore.
Then pack with new grease and be sure to seal the gap under the rivet head where the compression washer is.
That will help slow down the wear, and resulting PIA.
Cheers, Bill
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