Yamaha SR250
| Manufacturer | Yamaha Motor Company |
|---|---|
| Also called | Exciter I (US) |
| Parent company | Yamaha Corporation |
| Production | 1980–1984 |
| Class | Standard |
| Engine | 249 cc (15.2 cu in) SOHC 2-valves per cyl. single |
| Bore / stroke | 75.0 mm × 56.5 mm (2.95 in × 2.22 in) |
| Compression ratio | 9.2:1 |
| Top speed | 130 km/h (80 mph) |
| Power | 21.0 bhp (15.7 kW) @ 8,000 rpm (claimed) |
| Torque | 18.8 lb⋅ft (25.5 N⋅m) @ 6,500 rpm (claimed) |
| Ignition type | Transistorized electronic ignition |
| Transmission | Multi-plate wet-clutch, 5-speed sequential manual, chain-drive |
| Frame type | Steel. Stressed member engine |
| Suspension | Front: telescopic fork, 140 mm (5.5 in) travel. Rear:Swingarm, 84 mm (3.3 in) travel |
| Brakes | Front: 159 mm (6.25 in) drum Rear: 130 mm (5.2 in) drum |
| Tires | Yokohama. Front: 3.00-18 Rear: 120/80-16 |
| Rake, trail | 27.5°, 120 mm (4.8 in) |
| Wheelbase | 1,340 mm (52.75 in) |
| Dimensions | W: 710 mm (28.0 in) |
| Seat height | 740 mm (29.0 in) |
| Weight | 130 kg (287 lb) (½ tank) (wet) |
| Fuel capacity | 10 L; 2.2 imp gal (2.7 US gal) |
| Fuel consumption | 76 mpg‑US (3.1 L/100 km; 91 mpg‑imp) |
| Related | Yamaha SR400 |
The Yamaha SR250 is a single cylinder motorcycle made by Yamaha Motor Company initially from 1980 to 1984 and then 2001 to 2004 for a second generation. It shares styling with the larger Yamaha SR500. The first generation had a 249 cc (15.2 cu in) displacement and the second generation was 239 cc (14.6 cu in).