Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 142,988 pages of information and 229,205 images on early companies, their products and the people who designed and built them.
GYS were motorcycles produced from 1949 to 1955, in Bournemouth and distributed by the Cairns Cycle firm.
Mocyc was the name used by the all-alloy GYS cyclemotor from 1952 to 1955.
From 1949 to 1950 it was known as GYS.
In 1951 it was known as Motomite.
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