Fuel Pressure Regulator Replacement

Remove the fuel tank unit (see FUEL TANK UNIT REMOVAL AND INSTALLATION ).
Remove the clip (A), the pressure regulator bracket (B), the pressure regulator (C), and the backup ring (D).

Fig 1: Identifying Clip, Pressure Regulator Bracket, Pressure Regulator, And Backup Ring
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Install the parts in the reverse order of removal with new O-rings (E).
NOTE: Coat the O-rings with clean engine oil. Do not pinch the O-rings during installation. Never apply brake fluid or any other oil to the O-rings.