Mixture screw for Dellorto DHLA G carburetors.
Please note that there different screws for the different versions of DHLA.
This particular screw fits the DHLA40 G ONLY !
You can find this reference on the left hand gas tube of your carb where DHLA40 is cast-in, followed by a letter. If this letter is a G, then this is the correct screw.
Required quantity per carburettor: 2
This is item number 60 in the drawing.