[Street] Ducati Diavel V4, The Unexpected?

[Street] Ducati Diavel V4, The Unexpected?

Ducati ushered in an era with V4 engines in the Panigale V4, Streetfighter V4 and Multistrada V4. The V4 is available in two versions, one with Desmodromic distribution, the other, classic, with spring return of the valves. In...