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British Motorcycles

Williamson

Williamson of Earlsdon, Coventry.

  • Maker of cars from 1913.
  • Williamson were motorcycles produced from 1912 to 1920.
  • 1912 The first machine made it debut and offered power with silence, and no vibration, courtesy of its 8hp flat-twin water-cooled engine, made for them by Douglas of Bristol. As it was part of their stationary engine range, it had a starting handle, like that of a car. It was a typical Douglas engine with side valves, gear-driven magneto and was installed low down in a long frame to drive a two-speed Douglas gearbox with all-chain drive.
  • 1913-1917 For a list of the models and prices of cars see the 1917 Red Book
  • 1913-1917 For a list of the models and prices of motorcycles see the 1917 Red Book
  • 1913 An air-cooled version was added, but it did not sell as well as the quieter machine and had a tendency to over-heat. It did, however, continue to be offered as an option. Most models sold were water-cooled and used for sidecars.
  • 1916 Production continued until that year, and then stopped until after the War.
  • 1919 Late in the year they returned with the air-cooled flat-twin and a new model with the 771cc sv JAP V-twin engine and three-speed Sturmey-Archer gearbox with all chain drive.
  • 1920 Only the V-twin remained, this being sold with the sidecar as a complete combination. It was their final year of production.


Sources Grace's Guide



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