Carburetor Repair KitNBR rubber material is used on all O-rings and rubber gaskets; NBR has excellent resistance to the ethanol used in today's fuelIncludes all O-rings, gaskets, jets, needle, mixture screw, float bowl screws, float valve needle and seatIncludes OEM jet sizes Fits '04 Kawasaki KXL400R (non-CA models with pumper carb), Suzuki DRZ400E (non-CA models with pumper carb).