Selector Control Shaft Removal/Installation

Remove the bolt (A) and the lock washer (B), then remove the control lever (C) from the selector control shaft (D).

Fig 1: Lock Washer With Torque Specifications, Control Lever And Selector Control Shaft
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Remove the selector control shaft from the transmission housing.
Check for fluid leaks between the transmission housing and the oil seal (E). If there is a fluid leak, replace the oil seal with a new one.
Install the selector control shaft in the transmission housing, and install the control lever on the selector control shaft.
Install the bolt with a new lock washer.