Azzariti (Benelli)

Vincenzo Azzariti mounted his desmodromic system in 1930 on a 175 cc Benelli motor.
Actually it was the first Italian desmo-system. This bike remained a single copy.
Source: “La desmodromica Azzariti” in : Storia della Motocicletta Gli ultimi anni : Abramo Giovanni Luraschi, p. 261-262
Source picture: Patented Systems

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[Classification = Group 1A(1)]
Patent Azzariti