Viton O-ring for the idle emulsion tube of the Dellorto DHLA series carburettors.
This oring is also part of the service kit.
Required number per carburettor: 2
This is item # 48 in the drawing.
O ring for Dellorto DHLA
Dellorto Carburettors - Jets - Chokes - Emulsion Tubes - Service Kits