1948 AJS 7R, a new design 350cc single with chain-driven overhead cam enclosed in a distinctive magnesium housing on the right side of the engine. These were difficult times for the British motor industry with restrictions on steel and other materials. The use of magnesium for the engine crankcases, cambox and gearbox shell was quite an advance for a production machine, even as a racer produced in limited numbers.
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| Speed and how to obtain it, Iliffe & Sons, 1953 |
The bike picked up the nickname "Boy Racer" early on and enjoyed racing success from its introduction. Development continued throughout 1950s and it was discontinued in 1963.
Geoff Murdoch on the brand new 7R which he rode to 4th place in the 1948 Senior TT.
Update; some copies of some works drawings...
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