I've got an 06 YZ450 with the following mods: Dr. D pipe GYTR FWW (offroad) R&D Powerbowl Scott's fuel screw jetting is 165 main/45 pilot, never touched the needle. Elev is around 600-1000ft I tore the rear end down for it's annual regreasing and was thinking about installing a JD kit while I had it apart. I have issues stalling on low speed trails and was wondering if the JD kit would help. The bike runs great, the plug looks good (checked the valves while I have it apart). Is the JD kit worth the $80?