i have a 2003 cr 125 with a full FMF exhaust system. i recently had my bike fixed and now i seem to have some problems with the jetting. the guy recomended a 32:1 gas mix but it keeps filing plugs. it will file a plug in a couple minutes its not after a full ride or anyting. he reajusted the carb and i think it needs rejeted..........does anybody no wat jets i should get or what i could do to fix this?