Alternator Conversion For Ariel Square Four

Owners of the alloy-engine variants of the Ariel Square Four will be excited by the possibility of fitting a 300-Watt alternator. This conversion unit can be fitted to the standard bike without modification to the engine castings. Re-use of the original...

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Triumph Speed Twin

The Speed Twin 5T is a motorcycle that was made by Triumph at their Coventry factory. Edward Turner, Triumph’s Chief Designer and Managing Director, launched the Triumph Speed Twin at the 1937 National Motorcycle Show. It was a 500 cc OHV vertical twin...

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Matchless G9

The Matchless G9 is a British motorcycle made by Associated Motorcycles at the former Matchless works in Plumstead, London. The G9 was finally discontinued when the 646 cc Matchless G12 (and AJS Model 31 replaced it in the autumn of 1958.Manufacturer:Associated...

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Triumph 3TA

The 3TA was reasonably peppy and practical when it was introduced in 1957 (the Twenty-one name celebrates the Triumph Engineering Company's 21st birthday). Motor Cycling magazine reported that it was one of the fastest standard British 350 roadsters...

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1957 Matchless G11

The G11 was a development of AMC's 500cc twin; in late 1955 the Matchless G9 was stretched to produced the G11, while its counterpart AJS Model 20 became a Model 30. The new 600s shared a 593cc engine (72 x 72.8mm) running 7.5:1 compression, which output...

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