Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 138,258 pages of information and 223,668 images on early companies, their products and the people who designed and built them.
Blenheim-JAP was a motorcycle produced from 1913 to 1914.
This machine was built for racing or fast road-work. It had an ohv JAP engine, belt drive, rigid frame and Druid-pattern forks. Because it had very few fittings, it could be ridden to an event, stripped, competed and then ridden home.
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