You can use a 95' KX front # plate on the upright forks by cutting off the guards that runs down the forks..
they may work fine like they come on the inverted forks..
I know they work on the conventional forks. Because I currently use one..:p
The acerbis vented number plate for 98-99 KX's fits pretty well. A bolt into the triple clamp and some zip ties on the fork tubes seems to do the trick.