Special Nut / Drain Plug for the float bowl on the Dellorto PHBE and PHB carburetors.
Please note: there is a total of 3 different plugs available which are NOT interchangeable.
These are most easily identified by the spanner size needed for them.
This particular version requires a 21mm spanner.
This nut uses seal 2778 to seal against the float bowl.
Required quantity per carburettor: 1
This is item number 50 in the drawing.