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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 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]
However the design produced excessive vibration at high revs, so the compression ratio was reduced. The Atlas shared many cycle parts with the last of the Dominator twins and had Norton’s four-speed gearbox and heavy-duty clutch. Electrics were 6-volt and it had Roadholder forks, adjustable Girling rear shocks and a slimline Featherbed frame. [1]
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 The model was superseded by the 650SS.
The slimline was used until the last of the vertical twin cylinder models in the late 1960s, the Norton Mercury, a limited-production run of single carburettor 650 cc machines based on the Dominator; [37] [38] the Norton Commando with its new frame design and angled-forward engine having been launched at the Earls Court show in 1967 took over ...
First Norton Twin Motorcycle, designed by Bert Hopwood Model 77: 497cc 1950–1952 A rigid framed version of the Model 7, supplied only to the Australian market. Model 77: 596cc 1957–1958 Built mainly for sidecar use Dominator 88: 497cc 1952–1966 Same engine as a model 7 but in a featherbed frame Dominator 99: 596cc 1956–1962 Nomad: 497cc ...
The 131 mph (211 km/h) 1967 Dunstall Dominator 750 roadster was tested as the fastest motorcycle on the market at the time of its launch. [ 10 ] The early 1960s Norton factory racers were called Domiracer, and although Dunstall called his roadsters both Dominator and Domiracer at various stages and with varying engine capacities, the 750s were ...