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Triumph 6T Thunderbird

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The 650cc model 6T or Thunderbird was Triumph’s answer to an increasing demand for faster and more powerful motorcycles for the important American export market. This bike was one of a team of three machines used to cover 500 miles at over 90mph during pre-launch demonstrations at the famous French Montlhéry circuit during September 1949.

Based on the popular 500cc Speed Twin model, the Thunderbird was developed by Triumph Chief Designer Edward Turner as a true 100mph machine. The bike was the first to include a headlamp built into a distinctive housing or nacelle that also incorporated the instruments and switches; a Triumph feature used during the 1950s and 60s. The Thunderbird remained in production until 1966 and was a popular choice with Police forces.

Valvesoverhead valve
Output34bhp at 6,300rpm
Price new£195
ManufacturerTriumph Engineering Co. Ltd
OwnerNational Motor Museum Trust


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