![]() Don Vesco with Silver Bird at Bonneville Speedway
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Manufacturer | Don Vesco |
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Predecessor | "Big Red" streamliner |
Successor | "Lightning Bolt" streamliner |
Class | Streamliner |
Engine | 2×Inline-4 two-stroke, 1,389.8 cc total displacement |
Bore / stroke | 64 mm×54 mm |
Top speed | 303.812 mph (488.938 km/h) |
Power | 240 hp (180 kW) |
Dimensions |
L: 21 ft (6.4 m) H: 32 in (810 mm) |
Weight | 900 lb (410 kg) (wet) |
Silver Bird was a motorcycle land-speed record setting streamliner motorcycle. It was powered by two motors delivering 240 horsepower (180 kW). It was the first motorcycle to set a speed record over 300 miles per hour (480 km/h), when ridden by Don Vesco at the Bonneville Speedway in 1975.
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.