Ducati 125 Sport (1965-67) vs BMW K 100RS ABS (1988)
Comparison technical specifications
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| Make: | Ducati | BMW |
| Model: | 125 Sport | K 100RS ABS |
| Years: | 1965-67 | 1988 |
| Engine: | Four stroke, single-cylinder, OHC, bevel gear driven | Four stroke, horizontal in line four cylinder, DOHC, 2 valves per cylinder |
| Capacity: | 124.4 cc / 7.6 cu in | 987 cc / 60.2 cub. in |
| Bore x Stroke: | 55.2 x 52 mm | 67 x 70 mm |
| Compression Ratio: | 8.0:1 | 10.2:1 |
| Cooling System: | Air cooled | Liquid cooled |
| Induction: | Dell'Orto UB20BS carburetor | Electronic injection, Bosch LE-Jetronic |
| Ignition: | Battery and coil, 6V 40W generator | Electronic injection, Bosch LE-Jetronic |
| Spark Plug: | Marelli CW260N | Bosch XR 5 DC / Beru 12-5 DU / Champion A 85 YC |
| Battery: | SAFA 3L3, 13.5 Ah | 20Ah |
| Starting: | Kick | Electric |
| Max Power: | 7.5 kW / 10 hp @ 8500 rpm | 65.6 kW / 90 hp @ 8000 rpm |
| Transmission: | 4 Speed | 5 Speed |
| Clutch: | Wet, multi-plate | Dry, single plate, cable operated |
| Final Drive: | Chain | Shaft |
| Frame: | Single tubular downpipe cradle | Tubular space frame, engine serving as load bearing component |
| Front Suspension: | Hydraulically damped telescopic forks, Marzocci | Telescopic fork with hydraulic shock absorber |
| Rear Suspension: | Swingarm, dual shocks, 3-way adjustable | Monolever swinging arm |
| Front Brakes: | Drum | 2 x ∅285 mm discs, 2 piston calipers, ABS |
| Rear Brakes: | Drum | Single ∅285 mm disc, 1 piston caliper, ABS |
| Front Tyre: | 2.50 - 17 CEAT | 100/90-V18 |
| Rear Tyre: | 2.75 - 17 CEAT | 130/90-V17 |
| Dimensions: | Length:1910 mm / 72.2 in Width: 580 mm / 22.8 in Height: 920 mm / 36.2 in | Length 2220 mm / 87.4 in Width 800 mm / 31.5 in Height 1271 mm / 50.0 in |
| Wheelbase: | 1320 mm / 52.0 in in | 1516 m /59.7 in. |
| Fuel Capacity: | 16 L / 4.2 US gal / 3.5 Imp gal | 22 Liters / 5.8 US gal |
| Top Speed: | 112 km/h / 69 mph | 220 km/h / 136 mph |