Fuel Pressure Regulator Replacement

Remove the fuel tank unit (see FUEL TANK UNIT REMOVAL AND INSTALLATION ).
Disconnect the fuel gauge sending unit connector (A).

Fig 1: Identifying Fuel Gauge Sending Unit Connector And Cover
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Remove the cover (B).
Remove the clip (A).

Fig 2: Identifying Fuel Pressure Regulator And Clip
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Remove the fuel pressure regulator (B).
Install the parts in the reverse order of removal with new O-rings (C) lubricated with clean engine oil.
Make sure the regulator is installed with the drain hole (D) facing down.