Triumph 750cc Bonneville

Regarded as the quintessential British twin, the Bonneville was introduced in 1959 and continued in various forms until 1989. This 1977 model, with the purple tank, was seen in the movie "An Officer and a Gentleman".
 

T140V Specifications Power: 50 HP @ 7,000rpm  Top speed: 111mph  Gears: five speed, left hand gear lever  Brakes: front single disc, rear single disc  Wheelbase: 1422mm (56in)  Dry weight: 201kg (443lb)

Closeup of the 750cc Bonneville engine. 750cc Bonneville engine.