Ducati 900 SS (1997) vs Ducati 125 Sport (1961-64)
Comparison technical specifications
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| Make: | Ducati | Ducati |
| Model: | 900 SS | 125 Sport |
| Years: | 1997 | 1961-64 |
| Engine: | Four stroke, 90°“L”twin cylinder, SOHC, desmodromic 2 valves per cylinder, belt driven | Four stroke, single-cylinder, OHC, bevel gear driven |
| Capacity: | 904 cc / 55.2 cu in | 124.4 cc / 7.6 cu in |
| Bore x Stroke: | 92 x 68 mm | 55.2 x 52 mm |
| Compression Ratio: | 9.2:1 | 8.0:1 |
| Cooling System: | Air cooled | Air cooled |
| Induction: | Mikuni BDST 38-B67 | Dell'Orto UB20BS carburetor |
| Spark Plug: | Champion RA6HC | Marelli CW260N |
| Ignition: | Kokusan electronic inductive discharge | Battery and coil, 6V 40W generator |
| Battery: | 12V 16Ah | SAFA 3L3, 13.5 Ah |
| Starting: | Electric | Kick |
| Max Power: | 61.8 kW / 84 hp @ 7000 rpm (rear tyre 53.7 kW / 73hp @ 8100 rpm) | 7.5 kW / 10 hp @ 8500 rpm |
| Clutch: | Dry, multiplate | Wet, multi-plate |
| Transmission: | 6 Speed | 4 Speed |
| Primary Drive Ratio: | 2.000:1 (31/62) | 3.00:1 |
| Gear Ratios: | 1st 2.466 / 2nd 1.764 / 3rd 1.350 / 4th 1.091 / 5th 0.958 / 6th 0.857:1 | 1st 2.75 / 2nd 1.65 / 3rd 1.18 / 4th 0.97:1 |
| Final Drive Ratio: | 2.466:1 (15/37) | 2.750:1 |
| Final Drive: | Chain | Chain |
| Front Suspension: | 41 mm Showa fully adjustable inverted fork | Hydraulically damped telescopic forks, Marzocci |
| Rear Suspension: | Progressive type with adjustable Showa GD monoshock | Swingarm, dual shocks, 3-way adjustable |
| Front Brakes: | 2 x 320 mm discs | Drum |
| Rear Brakes: | Single 245 mm disc | Drum |
| Front Tyre: | 120/70-17 | 2.50 - 17 CEAT |
| Rear Tyre: | 170/60-17 | 2.75 - 17 CEAT |
| Dry Weight: | 183 kg / 403 lbs | 100.5 kg / 221 lbs |
| Dimensions: | Length: 2020 mm / 79.5 in Width: 710 mm / 28.0 in Height: 1110 mm / 43.7 in | Length:1910 mm / 72.2 in Width: 580 mm / 22.8 in Height: 920 mm / 36.2 in |
| Wheelbase: | 1410 mm / 55.5 in | 1320 mm / 52.0 in in |
| Fuel Capacity: | 17.5 L / 4.6 US gal / 3.8 Imp gal | 16 L / 4.2 US gal / 3.5 Imp gal |
| Top Speed: | 219.4 km/h / 136.3 mph | 112 km/h / 69 mph |