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The Norton 650SS is a 650 cc (40 cu in) vertical twin motorcycle made by Norton Motorcycle Company from 1962 to 1967. The 650SS was based on the Norton Manxman. The machine was capable of 110–115 mph (177–185 km/h). [1] [2] SS stood for Sports Special. Norton discontinued its 600 cc models to concentrate on production of the 650SS, which ...
The Norton 650 Dominator was a 650 cc vertical twin motorcycle manufactured by the British Norton Motorcycle Company from 1962 to 1967. Initially production was at Norton's Bracebridge St, Birmingham factory, but following the factory's closure in 1963, production was transferred to parent company AMC 's works in Plumstead , London. [ 2 ]
The Norton Model 99 Dominator was a 600 cc vertical twin motorcycle manufactured by the British Norton Motorcycle Company at their Bracebridge St, Birmingham factory from 1956 to 1962. The 99 was based on the 500 cc Model 88 Dominator with an enlarged engine. The model was superseded by the 650SS.
By September 1961 the Norton 650SS appeared for the UK market, the 750 cc (Atlas). By 20 April 1962 for the American market as they demanded more power, [clarification needed] but the increases to the vertical twin engine's capacity caused a vibration problem at 5500 rpm. A 500 cc vertical twin is smoother than a single-cylinder, but if the ...
The Norton Manxman was a 650 cc vertical twin motorcycle manufactured by the British Norton Motorcycle Company at their Bracebridge St, Birmingham factory for export. The engine was an enlargement of the 600 cc engine used in the Model 99 Dominator .
The Dominator is a twin cylinder motorcycle developed by Norton to compete against the Triumph Speed Twin. The original Dominator was designed in 1947 and 1948 by Bert Hopwood, who had been on the Speed Twin design team at Triumph. [1] Available for sale from mid 1949, this design set the pattern for Norton twins for the next 30 years. [2]
The Mark 1 Atlas was launched as the 750SS in the early 1960s, but by the time it appeared c. 1962 it was being called a 750cc Atlas, with Norton's famous Featherbed frame. Designer Bert Hopwood ’s 1949 497cc Dominator engine had been bored and stroked over the years to 745cc, via 600cc and then 650cc versions, to appeal to the American ...
The Norton Mercury was a 646 cc (39.4 cu in) air-cooled OHV parallel twin motorcycle made by Norton-Villiers from 1968 to 1970. [2] It was the last Norton model to use the 'featherbed' frame. Following the collapse of AMC and the subsequent formation of Norton Villiers, the company's focus had been on the new Norton Commando .