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
Bonneville Dam second powerhouse (and dam structure) was started in 1974 and completed in 1981. The second powerhouse was built by widening the river channel on the Washington side, creating Cascades Island between the new powerhouse and the original spillway. The combined rated capacity electrical output of the two power houses at Bonneville is now 1.2 gigawatts. Despite its world record size in 1938, Bonneville Lock became the smallest of eight locks including seven built subsequently at different locations upstream on the Columbia and Snake rivers; eventually a new lock was needed at Bonneville. This new structure was built on the Oregon