Fuel Pressure Regulator Replacement

Remove the fuel tank unit (see FUEL PUMP/FUEL GAUGE SENDING UNIT REPLACEMENT ).
Remove the clip (A), the pressure regulator bracket (B), the pressure regulator (C), the backup ring (D).

Fig 1: Removing Clip, Pressure Regulator Bracket, Pressure Regulator And Backup Ring
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Install the pressure regulator 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, vegetable oil, or alcohol-based oil to the O-rings.