Triumph Bonneville T120 TT is a photograph by Mark Rogan which was uploaded on August 11th, 2013.
Triumph Bonneville T120 TT
The cafe racer's favourite since its launch in 1959, the Bonneville was Triumph's top-of-the-range sports model. An alloy cylinder head equipped with... more
by Mark Rogan
Title
Triumph Bonneville T120 TT
Artist
Mark Rogan
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Photograph
Description
The cafe racer's favourite since its launch in 1959, the Bonneville was Triumph's top-of-the-range sports model. An alloy cylinder head equipped with twin carburator's helped the Bonnie motor produce 46bhp at 6,500rpm, and the model was reckoned good for a top speed approaching 120mph. The USA had long been Triumph's most important export market, and to cater for local tastes a TT Special (also known as the Competition Sports) Bonneville was introduced in 1964. The Triumph twin was already a formidable force in American flat-track racing, and the TT Special's stripped-down look, smaller fuel tank and short, open exhaust pipes echoed the style of the racers. By this time a maximum output of 52bhp was claimed for the Bonneville, while the TT Special engine produced 54bhp courtesy of 11.2:1 pistons (up from the T120 roadster's 9.0:1). A crankcase under-shield, tachometer-only instrumentation, larger-section front tire and an absence of lighting further distinguished the TT, which came with lowered overall gearing reflecting its intended role as primarily a dirt bike.
View my "Motorcycle Art Photography" Gallery to see more beautiful classic motorcycles.
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August 11th, 2013
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