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The Matchless G80 is a single cylinder 500 cc British motorcycle built by Associated Motorcycles (AMC) between 1946 and 1966. During the 1950s and 1960s, the main export product for AMC was the AJS/Matchless range – the road bikes were very similar, often with only the badges distinguishing one marque from the other; the equivalent AJS being the Model 18. == Development== In the early 1950s, the most popular British four-strokes were still pushrod singles. The Matchless G80 is typical of this era. The earliest G80 is sometimes referred to as a G80L, the L signifying "Teledraulic" forks, rather than girder forks.〔() AJSOC.com 1947 G80 (Retrieved December 31, 2006)〕 The magneto on an AJS was in front of the cylinder, and the Matchless magneto was behind. A design originating in the 1930s, the Matchless was updated with a spring frame (swingarm) rear suspension in 1949, becoming the G80S. The suspension was a vast improvement on the bouncy rigid rear end but wheel travel was limited.〔(Matchless G80 )〕 AMC had adopted Velocette's twin-shock swingarm rear suspension design for its top models. Vertical shock absorber units were introduced in 1949. The initial "Candlestick" shocks held only 50 cc of SAE 20 weight oil. Leak prone, they were replaced by the "Jampot" shocks in 1951,〔 and by Girling shocks in 1956. In 1957, AMC switched from Burman gearboxes to their own make. The leaky pressed-steel primary chain-case first appeared on AMC machines in the 1930s. In 1958 an alloy cover primary chain-case became available. 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「Matchless G80」の詳細全文を読む スポンサード リンク
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