A Brief History of the Marque
The Graves Speed King-JAP was produced between 1913 and 1914 by New Imperial and sold by J. G. Graves of Sheffield as their own marque.
This model was the Light Tourist with a different tank transfer. It had a 2.5 hp 293cc JAP sv engine, two-speed gearbox and belt final drive. The rigid frame had Druid forks and footboards, and Bowden brakes were fitted.
The intention had been to sell the machine by mail order and with interest-free
credit, but the New Imperial was cheaper and the onset of the First World War brought trade in civilian motorcycles, for the most part, to an end.
Sources: Graces Guide
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