Opening the fuel filler cap..
... with a "8" head, we unscrew the four self-tapping screws securing the filler pipe flange.
The right upper self-tapping screw also fastens the leash of the neck plug.
Hang and remove the rear right wheel.
With a "10" head, unscrew the three nuts securing the protective cover of the filling pipe..
...and remove the cover.
With a "10" head, we unscrew the bolt securing the bracket of the filling pipe and the ventilation pipe.
Using pliers, we compress the ends of the clamp that fastens the filling pipe to the tank nozzle and slide the clamp along the pipe.
Similarly, we shift the clamp along the ventilation tube.
Disconnect the fill pipe and the vent pipe from the tank nozzles.
Remove the fill pipe with the ventilation tube.
Install the fill pipe with the vent tube in reverse order.