rejetting my rm 125!!

[rg1124563]

I have a 2004 rm 125 and i am going to put a fmf factory fatty pipe and a Delta VForce 3 reed cage on it. should i rejet it?

 

[Chili]

If it runs rich or lean then yes you should.

 

[rg1124563]

yes, it is running rich

 

[CRazy250]

yeah usually when you increase intake flow or exhaust flow it changes air/fuel ratios. so go rejet it

 

[bclapham]

i think i went to a 30 pilot, leanest or 2nd from top needle and a 380 or 360 main jet....man, was that bike rich.