Triumph Bonneville Triumph Bonneville 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 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. The original Triumph Bonneville was a 650
Triumph Bonneville T140 as the top-mounted rear disc caliper and revised grabrail became standard on the T140E. The Bonneville Specials were finished in gold-pinstriped black with a stepped seat and seven-spoke US-made Lester mag-alloy wheels and a tuned two-into-one exhaust for the US market. The T140D had polished fork sliders and a shortened chrome mudguard fixed in place by its central bracing strip. The Bonneville T140ES was the electric start or 'Electro' Bonneville. Launched in 1980 and designed at Meriden by Brian Jones, the electric starter was fitted at the rear of the timing chest where the magneto had been located on the