I had a Guzzi with the Heron head, the Heron design makes for interesting reading, but a pretty gutless bike.
For those of you who don't know what it is, the head where the valves go is flat and the combustion chamber is in the piston, works for aircraft engines of the 20's, Cortinas and Jag V12's I think.
The current crop of Guzzi 750s are probably the same.
+1 on Moto Morini 3 1/2 with drum brake and spokes.![]()
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