As was the case with virtually all Matchless motorcycles, sister-company AJS had a nearly-identical version which they called the Model 18. Matchless had cut its teeth, and built its reputation ...

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That same year, 1949, AMC launched it’s own set of twins, both 500cc, the Matchless G9 and the nearly-identical AJS Model20. While both were fine machines, they had a hard time competing in the ...