Scott Twin (1908-75)

Motorcycle News (UK) - - Garage -

And you thought the RD350LC was the first wa­ter-cooled two-stroke twin? Scott got there be­fore World War One. The 500cc de­sign cleaned up in rac­ing, lead­ing the ACU to hand­i­cap it by ap­ply­ing a ca­pac­ity mul­ti­ple of 1.32:1, which only made the bikes more de­sir­able. Scott in­vented their own two-speed trans­mis­sion and ro­tary valves to vary the in­let charge. They even worked out trans­fer port­ing be­fore the war, an idea that MZ later picked up. In the mid/late 1930s Scott added a cylin­der to make a 750cc triple and then an­other for a 1000cc four, but the start of WWII killed them off. There was even a one-off su­per­charged two-stroke racer, an engine for­mat also used by DKW. Other peo­ple pro­duced Scott de­signs af­ter the firm went un­der in 1950, most no­tably Ge­orge Silk who made a lux­ury 600cc twin with a Spon­don frame. He only made a cou­ple of dozen and pro­duc­tion ended in 1975. What you’ll pay to­day £7000-£20,000 But should you? Only if you’re a Scott fiend – a Silk (above) is the sim­plest op­tion.

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