Suzuki SP 250 (1982-84) vs Yamaha SR 400 (1981-82)
Comparison technical specifications
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| Make: | Suzuki | Yamaha |
| Model: | SP 250 | SR 400 |
| Years: | 1982-84 | 1981-82 |
| Engine: | Four stroke, single cylinder, SOHC | Four stroke, single cylinder, SOHC, 2 valves per cylinder. |
| Capacity: | 249 cc / 15.2 cu in | 399 cc / 24.3 cu-in |
| Bore x Stroke: | 72 x 61.2 mm | 87 х 67.2 mm |
| Compression Ratio: | 8.9:1 | 8.5:1 |
| Cooling System: | Air cooled | Air cooled |
| Induction: | Mikuni VM28SS carburetor | BSR33 carburetor |
| Ignition: | Transistorized | CDI |
| Starting: | Kick | Kick |
| Max Power: | 12.7 kW / 17 hp @ 7800 rpm | 27 hp / 17.1 KW @ 7000 rpm |
| Transmission: | 5 Speed | 5 Speed |
| Final Drive: | Chain | Chain |
| Front Suspension: | Telescopic forks | 35mm Telescopic fork |
| Front Wheel Travel: | 195 mm / 7.7 in | 105 mm / 4.1 in |
| Rear Suspension: | Full floater | Dual shocks, 5-way adjustable preload |
| Front Brakes: | Drum | Single disc |
| Rear Brakes: | Drum | Drum |
| Front Tyre: | 3.00-21 | 3.50-19 |
| Rear Tyre: | 4.60 -17 | 4.00-16 |
| Wheelbase: | 1374 mm / 54.1 in | 1410 mm / 55.5 IN |
| Seat Height: | 826 mm / 32.5 in | 790 mm / 30.9 in |
| Wet Weight: | 124 kg / 273 lbs | 174 kg / 384 lbs |
| Fuel Capacity: | 9.5 Litres / 2.5 US gal / Imp 2.1 Imp gal | 12 Litres / 3.2 gal |