Grace's Guide

British Industrial History

Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 138,125 pages of information and 223,035 images on early companies, their products and the people who designed and built them.


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Sparton were motorcycles produced from 1975 to 1982, and resulted from a link between Barton Engineering and Spondon Engineering.

The former built racing two-stroke engines, the latter produced frames and the basis came from work carried out by Barry Hart, of Caernarfon, in Gwynned, North Wales, who tuned Suzuki triples.

In 1975 a machine was built that had a 500cc square-four engine modelled on the Suzuki RG500, but with very different detail. From this came the Phoenix 500cc and 750cc fours that became famous as the Silver Dream Racer in the film that starred David Essex.

The firm later became involved with CCM and Armstrong but eventually they were overtaken by the Japanese who had endless funding and continued development.

See Also


Sources of Information

  • The British Motorcycle Directory - Over 1,100 Marques from 1888 - by Roy Bacon and Ken Hallworth. Pub: The Crowood Press 2004 ISBN 1 86126 674 X