Had an issue with clutch shudder when I first got my bike back in June 2008. After putting 1300 miles on it the tube nut backed off so had to repair that. Shudder disappeared for about 8000 miles then would show up every once in a while in stop and go traffic. So fast forward to 20000 miles later and every 2nd light I stop at results in an embarrassing shudder and a Cager up my A$$ blowing the horn while I try to idle away to get rolling.
So I had been reading about the Clutch Push Piece or Pin mod and I decided to pull it out machine it flat on opposing sides and reassemble it and do nothing else. Went for a ride and the shudder has vanished. I road back and forth through town and it never did it again. I have one light that is 2 mins and 15 secs long. This one is the one that gets me every time. No problem. Even went to the park and did several 2 min idles and was able to pull away under power every time.
This is a great mod. The fun is back!!!