8555 Pump Diaphragm for Dellorto PHF carburetors
Pump Jet Pump Diaphragm Spring for the Dellorto PHF carburetors.
The original diaphragms now start to suffer from age and the ravages of aggressive modern fuels which causes the "rubberized textile" material to harden and even crack, causing erratic running of the engine and fuel leaks.
Replacing the diaphragm is then the only sensible option.
Required quantity per carburettor: 1
This is item number 61 in the drawing.
This is an authentic Dellorto diaphragm, produced at the Dellorto factory in Italy, using tissue provided by Effbe.
Dellorto Part Number: 8555