jetting

[DZ 350]

hey for my raptor 350 do i have to re-jet right know since i just put my hmf on? but i am goin on a trip to croom  on tuesday and was wondering could i leave the stock jet in ,and will it hurt anything?

[Crispy]

Check the HMF forums they've helped me out quite a bit you can find them at www.hmfengineering.com

[clancooler]

as long as your lids on, you should be able to get away with it.

[yamaha350r]

my stock jettin was alrite with my gytr exhaust for my 350 but i wuld check with hmf