page_title: Norton Manx
section_title: Car racing
hierarchical_section_title: Norton Manx / Car racing
caption_attribution_description: English: Norton Manx 500 ccm Engine in Cooper f 3
context_page_description: The Norton Manx or Manx Norton is a British racing motorcycle that was made from 1947 to 1962 by Norton Motors Ltd. Norton had contested every Isle of Man TT race from the inaugural 1907 event through into the 1970s, a feat unrivalled by any other manufacturer, and the development and honing of the Manx racing motorcycle was another step in this racing achievement.
  New Manx Nortons, built to various specifications are still available to buy new, from various suppliers around the world. These suit different categories and definitions of Classic Motorcycle Racing and Historic Motorcycle Racing in different countries around the world.
  Norton's first use of the name 'Manx' was applied to the 'Manx Grand Prix' model available from 1936-1940, a special racing version of their 'International' roadster, with telescopic forks and a plunger rear suspension, magnesium for the crankcases and cambox, and no provision for lighting. Just after WW2, the 'Grand Prix' was dropped, and Norton named their 1947 racing model the 'Manx'. It was a lightly redesigned prewar racing Norton International, an overhead cam single-cylinder machine available as a 350cc or 500cc.
context_section_description: Manx Nortons also played a significant role in the development of post war car racing. At the end of 1950, the English national 500 cc regulations were adopted as the new Formula 3. The JAP Speedway engine had dominated the category initially but the Manx was capable of producing significantly more power and became the engine of choice. Many complete motorcycles were bought in order to strip the engine for 500 cc car racing, as Norton would not sell separate engines. Manx rolling chassis were frequently sold on and paired with Triumph 500 cc twin engines to create Triton cafe racers.
caption: Norton Manx Engine in a Cooper race car
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