Fuel tap -101 OCTANE- vacuum - for Peugeot Vivacity I + II 50-100 - with tank sensor

Vacuum controlled fuel tap for various Peugeot scooters.
Often a malfunction of this component leads to starting difficulties and engine misfires while driving.
The diaphragm of the fuel cock hangs and does not release the fuel or releases it only to an insufficient extent.
The only remedy is a complete replacement.