AIRFILTER PRE OILED FIRE RES KAWASAKI KX250F 17 20, KX450F 16 18 FOR PF KIT Alpinestars Kawasaki Year Part Number Colour cleaning Kawasaki Year Part Number Colour Options KXF250 13 19 FXFL 40200 55GN Green GN BU KXF450 13 18 FXFL 40200 55GN Green GN BU Yamaha YZ 125 08 14 FXFL 40200 55BU Blue BU GN YZ 250 08 14 FXFL 40200 55BU Blue BU GN YZF 250 07 08 FXFL 40200 55BU Blue BU GN YZF 450 08 FXFL 40200 55BU Blue BU GN RFX Hardware Race Series Forged parts are designed RFX Pro FT Rear Brake Lever (Black Blue) Yamaha YZF450 10 21 WRF450 12 21 each Twin Air filter is completely submerged in Bio Oil and massaged to perfection to ensure that all pores are evenly coated The filter is then placed in a temperature controlled room to allow the oil to fully cure on the filter