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.JPG) 1975 Yamaha YZR500 (OW23) | |
| Manufacturer | Yamaha Motor Company |
|---|---|
| Production | 1973–2002 |
| Predecessor | Yamaha YZ634A |
| Successor | Yamaha YZR-M1 |
| Engine | two-stroke OW23: 494.7 cc (30.19 cu in) inline-4 OW54: 498.5 cc (30.42 cu in) U engine OW61: 498.5 cc (30.42 cu in) 60° V4 OWK1: 494.7 cc (30.19 cu in) 70° V4 |
| Bore / stroke | 54 mm × 54 mm (2.1 in × 2.1 in) 56 mm × 50.6 mm (2.20 in × 1.99 in) |
| Power | OW23: 66.2 kW (88.8 hp) @ 10,500 rpm |
| Related | Yamaha TZ750 |
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The Yamaha YZR500 was a 500 cc Grand Prix racing motorcycle made by Yamaha from 1973 through 2002. It achieved significant acclaim, especially during the 1980s and 1990s.
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