Just a note after taking my 01 KDX220 forks apart to put in new springs and Gold Valves. One of the outer teflon coated bushings was rubbed clean of the teflon on one half of it and had some crap in the valve orifaces. Not sure of any repercussions from this but if you go into your forks for anything you should probably check all the components.
My sons YZ 80 had the teflon wear off, then the bushing wore very fast. When the bushing got too small it slipped off the tube and reallty caused problems!