Ducati Pantah 2 valve desmo

This kind of desmo has the following characteristics:
SOHC 2 valve desmo.
Belt and pully driven camshafts with conjugate cams.
Valve angle 60 degrees.
Older type rockers (fully covering the rockerspindle or pin),
so without the later type spacer element ("spring clip") next to the opening rocker.

(Classification = Group 6A)