This machine was also made by Erich Lawrenz and was just finished before he sadly died. The engine on this particular machine is made from a Godden crankcase, and on top, the head from a Desmo 916 Ducati engine.
In the head there are 4 Valves, whilst the cylinder is home made and furthermore, it is watercooled. For a clearer explanation of what is meant by a "Desmodromic" engine, take a look at the Frank Arnott design.
NOTE: See also the ERLA/Jawa Iceracer
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