All he did was re-do the 904 and put the cams back where they are supposed to be. Was more to the repair due to the head work and pistons and all. I haven't heard the bike since he re-did it or talked to him about it so I don't know if it is still noisy or not. He just restored an old BSA Rocket and that has been our topic of discussion lately. I'll ask him when I see him again.

I learned all I need to know about life by killing smart people and eating their brains.
Eat right ,Exercise ,Stay fit, Die Anyway!