Remove the flange (23) from the tank.
![](https://motoinstruction.ru/img/ducati/18/124136.jpg)
Recover the O-ring (24).
Using the appropriate commercial tool, undo the clips (26) next to the fuel filter (25).
Remove the old filter from the connecting hoses and fit a new filter.
Before reassembly, carefully remove any deposits or scale from all parts.
Caution! When installing the filter (25), position it so that the arrow on the external housing is pointing towards the flange.
Note: The flange is supplied as a spare part complete with the fuel pump and pressure regulator: the entire flange assembly must be replaced in the event of malfunction.
![](https://motoinstruction.ru/img/ducati/18/124137.jpg)