Hi all I just sined up for this forum and just bout a 02 wr 426 new from a deler. I am very satifed with it even thou my old XR 250 that i traded for it would hang whith it and my old KTM 350 exc would walk all over it. The way I got it, it was so corked up it woudn't out run my nabor's 400ex. Any way my quston is what exsactly does the gray wire mod do.Dose it make the ign. timing curv the same as the yzf? So far i've cut the throtel stop screw down to yz spek, removed the air box cork and exhust defuser or cork. I have not done the cam timing mod or grey wire becaus i am afraid this will make the power un controlabe for tite woods riding like it was on that old ktm desert sled. I havent got the jetting rite yet but im working on it.