Yamaha SR 250 (1980-82) vs Honda NT 650V Deauville (2002-03)
Comparison technical specifications
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| Make: | Yamaha | Honda |
| Model: | SR 250 | NT 650V Deauville |
| Years: | 1980-82 | 2002-03 |
| Engine: | Four stroke, single cylinder, SOHC, 2 valve | Four stroke, 52°V-Twin cylinder, SOHC, 3 valve per cylinder |
| Capacity: | 239 cc / 15.2 cu-in | 647 cc / 39.4 cu-in |
| Bore x Stroke: | 73.5 x 56.5 mm | 79 x 66 mm |
| Cooling System: | Air cooled | Liquid cooled |
| Compression Ratio: | 8.9:1 | 9.2:1 |
| Induction: | 34mm Mikuni carburettor | 2x36mm equal pressure flat slide carburetors |
| Ignition: | Electronically | Digital transistorized |
| Starting: | Electric | Electric |
| Max Power: | 21 hp / 15.7 kW @ 7700 rpm | 56.1 hp / 40.9 kW @ 7897 rpm |
| Max Torque: | 18.7 ft-lb / T25.5 Nm @ 7000 rpm | 56.9 Nm @ 6053 rpm |
| Transmission: | 5 Speed | 5 Speed |
| Final Drive: | Chain | Shaft |
| Front Suspension: | 32mm Telescopic forks | Telescopic forks |
| Rear Suspension: | Dual shock 5-way preload adjustment. | Pro-link monoshock |
| Front Brakes: | Drum | 2x 296mm discs 2 piston calipers |
| Rear Brakes: | Drum | Single 276mm disc 1 piston caliper |
| Front Tyre: | 3.00-18 | 120/70 -17 |
| Rear Tyre: | 120/90-16 | 150/70 -17 |
| Wheelbase: | 1340 mm / 52.75 in | 1473 mm / 58.0 in |
| Seat Height: | 740 mm / 29.0 in | 814 mm / 32.0 in |
| Fuel Capacity: | 10.8 Litres / 2.7 US gal | 19.5 Litres |
| Standing ¼ Mile: | 16.3 sec | 14.4 sec / 148 km/h |
| Top Speed: | 89 mph / 143.2 km/h | 170 km/h / 105.6 mph |