jetting

[250rracer00]

what do think would be a good jet size for a 250x with full wb exhaust uni filter and 2 2inch diameter holes in airbox lid?? I ride in Jersey.

[mojoe2878]

i would go up 3 or 4 jet sizes from what it is now. i dont what the stock jet is in a 250 so i cant really tell you an exact sixe.