ZENITH 40 TIN CARBURETOR PUMP DIAPHAGMS ACTUATING ROD.
LEFT SIDE CARBURETOR.
NEW & NEVER USED.
delivered complete with the 3 adjusting screws and nuts (not shown in the pic).
worn out cams get out of tollerances in the 2 pivot points.the iron Surface
wears out and though creates a play between the cam and the bearings.
made in Italy.