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Levis motorcycles (1911–1940), manufactured by Butterfields of Birmingham, were for many years one of England's leading marques of two-stroke motorcycle. Levis built two-stroke machines from 1911, adding a line of four-strokes in 1928, which ran to 1941 when production ceased. The first Levis was made in the Norton works by designer Howard (Bob) Newey, but James Norton turned it down.〔 Newey then joined with the Butterfields, Arthur and Billy, and sister Daisy, to set up a motorcycle company (Newey later married Daisy). Their first model had a capacity of 211 cc.〔 ==Two-strokes== In 1916 the 211 cc vertical two-stroke engine produced . An enclosed chain from the crankshaft drove the Fellows magneto and drive to the rear wheel was by Pedley ‘Vee’ belt. The machine weighed approximately . Their first racing success was in the Lightweight 250 class within the 1920 Isle of Man TT Junior race with a 247 cc machine, repeated in the 1922 TT Lightweight race. They then adopted the slogan, "The Master Two Stroke".〔 Levis built 211 cc and 246 cc three-port single-cylinder machines, including sporting versions. Most had bore with a stroke, and there was also a six port model. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Levis (motorcycle)」の詳細全文を読む スポンサード リンク
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