hay that guy knows some thing yall dont his little pice of
metel probably works there is two companys making this type
of thing for dirt bikes, one for the air box and one between the carb and cyclinder and i have felt them work first hand on a yz 250 big differance remember air volocity is very important some dirt
bike guys actully can change the id of there carb bores
with inserts and have anouther tuneing tool and alot of the time smaller is better

Last edited by bikefreak; 01/25/2007 9:59 PM.