Vintage 1937 Norton 16H 500cc Motorcycle Start Up

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Norton relied on proprietary engines in its formative years – winning the inaugural Isle of Man TT with a Peugeot-engined machine – before introducing its own design of power unit in 1907. Designed by company founder James Lansdowne Norton himself, the long-stroke sidevalve single displaced 633cc, and the new model it powered became known as the ‘Big 4’. source/image(PrtSc):

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