Replacement diaphragm for the pump jet pump on the Dellorto DHLA series carburetors.
Please note that there are different versions available of this diaphragm, with the metal disk on this one measuring 22.1 mm in diameter.
This version was commonly used on the DHLA45D, on the turbo versions of the DHLA and on the DHLA40G, DHLA40H, DHLA40L, DHLA40N and DHLA40R.
This diaphragm is usually combined with the "strong" spring, article number 9663.
Required quantity per carburettor: 1
This is item number 76 in the drawing.