ELIMINATE THE CRAPPY ELECTRIC CHOKE ON YOUR KFX90 BY USING THIS GREAT LITTLE CARB!!!JUST REPLACE THE NEW CARB'S IDLE AND MAIN JETS WITH THE INCLUDED JETS, USE YOUR OLD TOPSET AND SLIDE (SEE_PIC_TO_LEFT), THEN USE THE NEW CARB'S SLIDE NEEDLE AND GO RIDE.
THIS BOLTS RIGHT UP TO YOU INTAKE MANIFOLD AND USES THE STOCK CABLE THEN TOO.