P PD10913 Member Apr 1, 2007 16 0 Apr 5, 2007 #1 What jetting for my XR600? I am just about to put an FMF Powercore 4 on my 98' XR600 and can someone tell me what jetting I will most likely require with this pipe or is it a try it and see deal? Last edited: Apr 6, 2007
What jetting for my XR600? I am just about to put an FMF Powercore 4 on my 98' XR600 and can someone tell me what jetting I will most likely require with this pipe or is it a try it and see deal?
