Marvel-JAP were motorcycles produced from 1909 to 1912.
Little is known of this make and it only had a short life. Small numbers of machines were constructed by fitting JAP engines to stock cycle parts. Both single and V-twin engines were used and the design was typical of the era.
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