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Classic BSA Motorcycles

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Big-Hearted Beezer: BSA/Ariel “Flash Four”

 1957/1949 BSA/Ariel "Flash Four"Engine: 997cc OHV air-cooled Square Four MkI, 65mm x 78mm bore and stroke, 6:1 compression ratio, 35hp @ 5,500rpmTop speed: 90mphCarburetion: Single Solex 26 AHDTransmission: Chain primary, BSA multiplate clutch, BSA 4-speed gearboxElectrics: 12v, battery/coil with distributorFrame: BSA A10 Golden Flash dual downtube full cradle, ...

Robert Smith | Dec 10, 2019

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