KÜCHEN  |  Mid 1920s- mid 1950s  |  Germany  : Küchen was a maker of proprietary engines and, above all, the work of the designer Richard Küchen, whose units powered a long list of other firms’ motorcycles. The Küchen range

  KUHN  |  1968-75  |  UK  : Gus Kuhn was a South London dealership with a racing pedigree rather than a manufacturer in the ordinary sense, and the customised Nortons it became known for were the work of the business

  KUMFURT  |  1914-16  |  UK  : Kumfurt was one of a crop of tiny British makers that appeared in 1914 and 1915 and lasted barely two years. As the major manufacturers switched to military work, a clutch of small

  KUMOTO  |  China  : Kumoto is a low-cost, small-displacement motorcycle brand of Chinese origin, of the kind that reaches buyers through importers and online marketplaces rather than through any documented factory history. The clearest evidence of it is in

  KURIER  |  1921-24  |  Germany  : Kurier was the name of both an engine and a lightweight motorcycle made by Curt Hanfland GmbH in Berlin during the early years of the Weimar Republic. The firm, Curt Hanfland GmbH of

  KUROGANE  |  1930-40s  |  Japan  : Kurogane, a name meaning black iron, was a brand of the Japanese firm Nihon Nainenki, a company also recorded as Nippon Nainenki Seiko and later as Tokyu Kurogane Industries. The name was applied

  KURRAS  |  1925-27  |  Germany  : Kurras motorcycles were produced in Germany from 1925 to 1927. The company built lightweight motorcycles using 142cc and 195cc two-stroke engines. Specific details about the models and production are scarce.