Carefully read 1.2.1.
Tank front screw (1): 7 Nm (0.7 kg·m).
Turn the fuel cock to the "OFF" position.
Remove the seat, see 7.1.1.
Unscrew and remove the screw (1). Keep the bushing.
Take the tank rod from the tool kit.
Lift the front part of the fuel tank and introduce the rod into the special housings.