pipe was ran the hell over, lol never had time or money to get a new one, can get a stock one on ebay for 30 -40 bucks
clutch is about half way down, its a effin 500 what to you expect
top end has 1 summer on it.
bottom end should be fine, no unusual noises when its turned over,
not sure about bore. come check it out if you would like the top is off the bike