If the fuel pump does not work, then check it by following the steps described below, and if the pump is OK, check its electrical circuit.
Remove the rear seat and protective cover.
Turn the ignition key to the LOCK position (OFF) - (OFF).
Disconnect the fuel pump assembly connector. Listen to the sound of the pump running when the battery is connected (1) to connector (2), fuel pump assembly (+) to pin 5, and pin 4 close to «mass».
Gently pinch the fuel hose with your fingers to check for fuel pressure.
Connect the fuel pump connector, reinstall the protective cover and rear seat.