During these extreme wet weather conditions, we advise to use the pre-oiled Twin Air filters, pre-oiled with Liquid Bio Power Filter Oil and on top of that mount the dry Rain Coat. FANTIC XE125 21-23 XX125 21-23 XX250 21-23 YAMAHA YZ125 97-25 YZ250 97-25 YZ125X 20-25 YZ250X 16-25 YZ250F 01-13 YZ450F 03-09 WR250F 01-02 YZF/WRF400-426 98-02