(48) O ring for Dellorto DHLA carburetors 7540

Viton O-ring for the idle emulsion tube, pump non-return valve and balance lever assembly on the Dellorto DHLA carburetors.

The DHLA uses 1 o-ring per emulsion tube, 1 for the non-return valve and in some cases 1 for the balance lever.

This o-ring has the following dimensions:

• Inner diameter : 5 mm
• Outer diameter : 8 mm
• Thickness: 1.5 mm

Required quantity per carburettor: 3 or 4, depending on set-up

This is item number 48 in the drawing.

Dellorto Part Number: 7540

(48) O ring for Dellorto DHLA carburetors 7540