more then likely, we were about ready to cut mine off then it finally broke free, just make shure you are loosning it(turn the nut forwards). good luck
02 400ex upgraded to 07 plastics, w/ DMP Graphics/seat cover
DG bumper, Pro Armor swingarm skid plate,motor sport nerf bars, 3'' riser with protaper se bars, k&n air filter, power madd hand guards,jeted, HMF slip-on,sparks timing key, RAD mfg double row carrier with anti fade lock nut(red), tinner scoops(PC black), C&D rebuilt/sprung 450r shocks, Hiper CF1's(black)