AJS Model 20   2.84 average rating for 11 AJS Model 20 model variants.

AJS Model 20 model overview

AJS Model 20 models include the 11 motorcycles below produced from 1949 to 1959. The 1959 AJS Model 20 500 motorcycle is used as an example on this page. It has a 498 ccm twin engine. The category is allround. Our visitor's rating for this model is 2.8 out of 5 with 3 votes. See the model variants below for more rating details.

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Engine and transmission
Displacement	498.0 ccm (30.39 cubic inches)
Power	20.0 HP (14.6 kW) @ 6800 RPM
Top speed	137.0 km/h (85.1 mph)