Originally Posted by Bikeguy Joe
A couple of notes; these engines use a nikasil type liner and can be bored/re-bored or honed. Once they are done, they are done.
I think you mean, "can't," right?
If the piston looks ok, I'd just get new rings and pins and call it a day. I wouldn't worry about measuring wear on the cylinder and all that. Once it's worn out enough to matter, new jugs are cheap enough anyway.