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The Triumph Bonneville is a standard motorcycle featuring a parallel-twin four-stroke engine and manufactured in three generations over three separate production runs. The first two generations, by the defunct Triumph Engineering in Meriden, West Midlands, England, were 1959-1983 and 1985-1988. The third series, by Triumph Motorcycles in Hinckley, Leicestershire, began in 2001 and continues to the present (2015) as a completely new design that strongly resembles the original series. The name Bonneville derives from the famous Bonneville Salt Flats, Utah, USA where Triumph and others attempted to break the motorcycle speed records.〔Nelson, 2001. p.28.〕 ==Development history== The Triumph Bonneville is the great grandfather to just about all modern sport bikes. The early 1970s saw a shift. The western motorcycle manufacturers were very conservative and weren't really pushing the development of their bikes for performance. They had become "fat, dumb and happy." Meanwhile, Japan seized the opportunity to grab a piece of the market. People had been modifying their bikes for some time now. The Bonneville was chief among them. People would cut pieces off the frame and stiffen it up in various ways, do some suspension work, tune the engine (bore them out, carb work, etc.) and add fairings to make the bike a little more aerodynamic and try to do what was known as the "ton". They would start at a café and race to some set point outside of town. They had to be able to reach 100 mph but not necessarily sustain it. The whole thing was a time trial. Consequently the bikes got faster and faster. Interestingly enough, the "large" bikes of the day were 500cc. None of this modern 600-1400cc stuff. The Japanese had already created a replica of all the British bikes, known merely as the FJMs (Fundamental Japanese Motorcycles - e.g Honda cb350, Kawasaki KZ400, several yamy hamies, etc.). Then they simply applied all the cafe racer mods to a factory production bike and bam, modern sports bikes were created. 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「Triumph Bonneville」の詳細全文を読む スポンサード リンク
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