A Brief History of the Marque
Manufactured in the years 1922 to 1924 by Oruk Motorradwerke AG, Chemnitz-Altendorf, Burgstraße 5.
Described as "ohne Riemen und Kette" (without belt and chain), the scooter-like machine had a 192cc two-stroke engine mounted adjacent to the rear wheel. Possibly also known as OKUR.
Sources: Tragatsch p243, motor-hist-foto.de.