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c.1932 Norton 490cc 16H ProjectRegistration no. not registeredFrame no. 46049Engine no. 52842Norton 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. The long-stroke sidevalve single displaced 633cc and the new model it powered became known as the 'Big 4'. Smaller capacity versions followed and in 1911 the '500' adopted the classic 79x100mm bore and stroke dimensions that would characterise the half-litre (actually 490cc) Norton for the next 50 years. Norton's new sidevalve was among the fastest in its class, being the first machine under 500cc to be officially timed at over 70mph, which was some going for 1911. Small wonder that the slogan 'Unapproachable' began to be applied to the Norton singles at around this time.The 490cc engine was revised for 1914 and the following year gained a new, lower frame together with the option of a Sturmey Archer three-speed gearbox. When fitted with chain drive, the 490cc sidevalve single became the 'Model 16' in Norton's numbering system, and then changed to '16H' in 1921 when another new frame was introduced, again lower than its predecessor. Norton's trusty 16H sidevalve would be continuously up-dated for the next 30-plus years before taking its final bow - along with the Big 4 - in 1954. This 16H is offered for restoration and sold strictly as viewed. There are no documents with this Lot.Lot to be sold without reserve.For further information on this lot please visit Bonhams.com
Property of a deceased's estate 1915 Norton 633cc Big 4 Motorcycle CombinationRegistration no. O 2559Frame no. 1527Engine no. none visibleHaving hitherto relied on proprietary engines, Norton introduced its own in 1907. The long-stroke (82x120mm) sidevalve single displaced 633cc and the new model it powered became known as the 'Big 4'. Smaller versions followed and in 1911 the '500' adopted the classic 79x100mm bore/stroke dimensions that would characterise the half-litre (actually 490cc) Norton for the next 50 years. Norton's sidevalves were revised for 1914 and in 1921 the Model 16, as it had become known, received a new lower frame, becoming the 16H. Considered by many to be an ideal sidecar 'tug', the Big 4 (and 16H) would be continuously updated for the next 30-plus years, many seeing service with Allied forces in WW2. Post-war, the Big 4 was revised with a shorter (113mm) stroke for a capacity of 597cc before taking its final bow, alongside the 16H, in 1954. This Big 4 comes with a detached reproduction sidecar chassis and wicker 'chair' in need of restoration. Photographs and correspondence on file suggest that the machine was restored circa 2010, and it is pictured in solo form at the VMCC's 'Festival of 1,000 Bikes' at Mallory Park in July 2011. Additional documentation includes an NOC dating letter; old-style continuation logbook (1963); assorted correspondence; restoration notes and diagrams; and an old-style V5C document. This motorcycle's condition, completeness, and correctness is not known and thus it is sold strictly as viewed.Lot to be sold without reserve.For further information on this lot please visit Bonhams.com
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117861 item(s)/page