Ariel Square Four Limited Edition Extra 1949-59

After the war the 1000cc was continued and gradually uprated with telescopic front forks, improved cooling and an all new aluminium engine. The final redesign came in 1954 and coded the 4G MkII; raised compression developed 42hp at 5800rpm and was a handsome machine. Lack of financing meant cessation in 1958. A book of contemporary road tests, specification and technical data, new model introductions, development, rider’s impressions, history, touring, technical articles on tuning, engine stripping, decoking. 136 pages, 350 illus. SB.