Portland motorcycles were produced between 1910 and 1913 and again in 1920, and listed by dealers Maude's Motor Mart of Great Portland Street, London, and Halifax.
1910-1912 A machine was listed with a 4hp JAP engine, belt drive and Druid forks. There was also the option of a Peugeot engine.
1913 Still with belt drive, the machines now had 4hp JAP or 3½ hp and 4¼ hp Precision engines.
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