hey see im only 17 and so far i havnt had a job and i got 2 motorbikes one old honda 1977 xl 75 im rebuilding the top end and i some how got my hands on a chinese imorted atv 125cc and i wanna see if i can bore it out to a bigger cc but i dont know whats the biggest u can go on a 125cc i know all u ppl have lyk pro bikes n haeaps of cash hehe but i wanna know about a 125 cc so let me know if anyone knows anything thanx