Steps 1-4 Sand down the U-00001A wheel fairing front, along the center line at the thickest area. Trim the tire opening to 1/16' from the scribe line. Square up the inside corner of the molded step in the U-00001B wheel fairing aft as required for a good fit. Trim the tire opening of the U000aB wheel fairing aft to 1/16' of the scribe line.