142???

[450rdominator]

Hey, if i have a 06 450r with the silencer removed and the air box lid removed.... what jets should i put in it...i was thinking like 142 main!!!

[Chino886]

try a 160 main,
45 pilot
50 or 55 leak jet

[roundsy]

i'm running that set up currently, and i have a 165 main, stock 42 pilot, crf needle 3rd clip, and a 55 leak, my elevation is about 1000 ft