19. Royal Enfield 750 Interceptor
The Interceptor was a British motorcycle made by Royal Enfield between 1960 and 1970. The Interceptor introduced in 1960 was a modifier of its Constellation model which had an engine displacement of 692 cc. In 1962, the company introduced the 750 Interceptor evolved constantly until it reached the end of its production run in 1970. The company introduced their all-new 736 cc twin cylinder engine in 1962 on the 750 Interceptor requiring them to beef up their engine cases to withstand the increased torque.