Simson's S51 Schnuerle designed transfer ports. Left cylinder is original, right cylinder is slightly modded.
"In 1926, the German engineer Adolf Schnürle developed the system of ports that bears his name. The ports were relocated to both be on the same side of the cylinder, with the transfer port being split into two angled ports, one on either side of the exhaust port. A deflector piston was no longer required."
Негізгі бет Автокөліктер мен көлік құралдары Simson Schnuerle designed transfer ports
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