Rocker Arm Oil Pressure Sensor Removal/Installation

Remove the engine cover (see step 9 on ENGINE REMOVAL ).
Disconnect the rocker arm oil pressure sensor 3P connector (A).

Fig 1: Rocker Arm Oil Pressure Sensor And Connector With Torque Specification
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Remove the rocker arm oil pressure sensor (B).
Install the parts in the reverse order of removal with a new O-ring (C).