BMW R 100CS (1979-80) vs Suzuki GSX 250F Across (1990-91)
Comparison technical specifications
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| Make: | BMW | Suzuki |
| Model: | R 100CS | GSX 250F Across |
| Years: | 1979-80 | 1990-91 |
| Engine: | Four stroke, two cylinder horizontally opposed Boxer, 2 valves per cylinder | Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder |
| Capacity: | 980 cc / 59.8 cu in. | 249 cc / 15.2 cu in |
| Bore x Stroke: | 94 x 70.6 mm | 49 x 33 mm |
| Cooling System: | Air cooled | Liquid cooled |
| Compression Ratio: | 9.5:1 | 12.5:1 |
| Induction: | 2x Constant depression carburetors, Bing 94/40/111 - 94/40/112 | 2 x Mikuni BSW27 carburetors |
| Ignition: | Battery ignition | Digital |
| Starting: | Electric | Electric |
| Max Power: | 51 kW / 70 hp @ 7000 rpm | 34 kW / 45 hp @ 14500 rpm |
| Max Torque: | 76 Nm / 7.75 kgf-m / 56 ft-lb @ 6000 rpm | 26.4 Nm / 2.7 kgf-m / 19.5 ft-lb @ 10500 |
| Clutch: | Dry single plate, with diaphragm spring | Wet, multi-plate |
| Transmission: | 5 Speed | 6 Speed, constant mesh |
| Final Drive: | Shaft | Chain |
| Frame: | Double sown tubs, dual cradle | Tubular steel, box section swingarm |
| Front Suspension: | Telescopic fork with hydraulic shock absorber. | Telescopic forks |
| Rear Suspension: | Long swinging arm with adjustable strut. | Swingarm, monoshock |
| Front Brakes: | Single ∅260mm disc | Single 300 mm disc, 2 piston caliper |
| Rear Brakes: | 200 Drum | Single 240 mm disc |
| Front Wheel: | 2.15 - B19 | 2.50-17 |
| Rear Wheel: | 2.50 - B18 | 3.50-17 |
| Front Tyre: | 3.25 - H19 | 110/70-17 |
| Rear Tyre: | 4.00 - H18 | 140/70-17 |
| Dimensions: | Length 2110 mm / 83.07 in Width 746 mm / 29.4 in Height 1210 mm / 47.6 in | Length: 2020 mm / 79.5 in Width: 695 mm / 27.4 in Height: 1120 mm / 44.1 in |
| Wheelbase: | 1465 mm / 57.67 in | 1380 mm / 54.3 in |
| Seat Height: | 820 mm / 32.3 in | 770 mm / 30.3 in |
| Fuel Capacity: | 24 L / 6.3 US gal | 12 L / 3.2 US gal / 2.6 Imp gal |