Here we have some pics of a very rare 500cc two stroke racer, the ADM500 triple made by the famous Swiss tuner Charles Auf der Mauer. He also made a square four 500cc in 1983. What made him really famous were his wonderful 500cc four cylinder two stroke engines which were used in sidecar racing with great succes. Pics of the square four and the sidecar engine are also in this photo set.
For more pics see