Carburetors mounted in front rubbers and backed by the air filter box. That's fine.
Carburettors that are then fitted with chalices or a K&N filter / BEWARE OF FAKE! / after a while they hang back sadly.
This phenomenon is known, for example, by Guzzi riders who have given their Dell´orto´s sport lungs.
Speet Parts from Badhoevedorp has a solution for that problem. A solution that seems so simple and thought up afterwards that it could just be Italian.
The carburetors are leashed ...
A photo says more than 1000 words.
Fantastic!