Triumph Bonneville T140 Bloor, who licensed a company called Racing Spares in Devon, run by Les Harris to manufacture the T140 Bonneville. These continuation bikes are known as the 'Devon Bonnevilles', which did not reach the market until 1985, and were not sold in the U.S. Production ended in 1988. The Bonneville name came from the achievements of Texas racer Johnny Allen on the Bonneville Salt Flats in Utah in the 1950s. The model designation of T140 continued the numbering system started by Edward Turner in 1937 with the Triumph Tiger 70, a number that was intended to advertise the machine's top speed
Triumph Speed Twin Speed Twin. Edward Turner’s Triumph twin was a major turning point for the British motorcycle industry, as although a 500 cc parallel twin of medium capacity was not revolutionary, the 5T Speed Twin model was lighter than many contemporary singles with significantly more power and torque. Early models were only available in 'Amaranth red' with hand painted gold pinstripes to set off the chrome. Initially the one piece iron cylinder was secured with six studs which led to weakness, so these were replaced by eight studs. The two cylinders were fed by a single Amal Type 6 carburettor and many