AJS 18 brought to you by MadaboutMotorcycles

18 Май 2015 | Author: | Комментарии к записи AJS 18 brought to you by MadaboutMotorcycles отключены
AJS Model 18 500 Statesman

AJS 18

The AJS 500cc Model 18 and AJS Model 18S are motorcycles almost identical to the G80 and both were produced in the Associated Motor Cycles London factory from to 1966. These bikes the end of the era of big British singles, as when AMC with Norton production on twins.


The AJS Model 18 was from a design from the despite which it was still manufactured 30 years later. The AJS was when a springer frame suspension was made available for to become the Model 18S. The was a vast improvement on the rigid end — which had given a ride. Each of the two ‘Candlestick’ held only 50 cc of SAE 20 oil.

They were prone to and were replaced by the larger ‘Jampot’ shocks on the 1951


The engine was released postwar with a compression of 5.9:1, necessary because of the low fuel available in Britain after the War. British were designed to make the of the fuel available. Post war rationing continued until and it was several years before fuels were generally in the UK.

The Model 18’s low compression did it was easy to start and The model had better performance and fuel than the fast cars of the

By 1951 the model 18 had an alloy head and the competition models had an alloy cylinder (with liner in it), where the fins went all the way to the base. The was moved in front of the cylinder on the G80 for 1952. The earlier model did not a magdyno — the separate was directly above the dynamo the cylinder.

The leaky pressed-steel primary that first appeared in times had a small clutch plate added in 1952 and in the whole clutch dome was in it. The compression ratio was increased to in 1956 and in 1958 an alloy primary chain-case became

AJS Model 18 500 Statesman
AJS Model 18 500 Statesman

The unreliable ‘jampot’ shock were replaced with shocks in 1956 and in 1957 AMC from Burman gearboxes to own make. In 1960 the model 18 a duplex frame.


The long … AJS 18CS was from 1951 through In 1956 it was replaced by the shorter larger bore models used the same numeric The bore of these early was 82.5 mm (3.25 in), while the through 1966 short (final version) models had a of 86 mm (3.39 in).

The C was for Competition (Scrambles) and the S for Suspension a rigid rear frame).

numbers usually start the year of production, followed by designation, and completed with the number of the motorcycle

The AJS and Matchless were doomed when AMC with Norton as all production was to twins cylinder bikes so the short-… Model 18 is the end of an era.

AJS Model 18 500 Statesman
AJS Model 18 500 Statesman

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