Silver Bird (streamliner)

Silver Bird was a motorcycle land-speed record setting streamliner motorcycle. It was powered by two motors delivering 240 hp. It was the first motorcycle to set a speed record over 300 mph, when ridden by Don Vesco at the Bonneville Speedway in 1975.

Construction
The motorcycle was built by Don Vesco and sponsored by Yamaha. It had two four-cylinder, 694.9 cc reed-valve two-stroke engines from the Yamaha TZ750 racebike.

Specifications

 * Displacement: 1,389.8 cc total
 * Engine bore and stroke: 64mm×54mm
 * Dimensions: 21 feet long, 32 inches high
 * Weight: c. 900 lb