hey guys i decided to pull the topend on my new bike while i had it apart for the shift shaft, and i discovered it has an aftermarket piston, the number on it appears to 600a1 or perhaps boo a1 and it has a weisco rod so i assume wiseco piston, but i didnt see this model number. i was just wondering if it was bored or not. thanks
soggysod
soggysod