Ducati 900 S2 (1985) vs Kawasaki Z 900 50th Anniversary (2022)
Comparison technical specifications
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| Make: | Ducati | Kawasaki |
| Model: | 900 S2 | Z 900 50th Anniversary |
| Years: | 1985 | 2022 |
| Engine: | Four stroke, 90°“L”twin cylinder, SOHC, 2 valves per cylinder, bevel gear driven | Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder |
| Capacity: | 864 cc / 52.7 cu in | 948 cc / 57.8 cu-in |
| Bore x Stroke: | 86 x 74.4 mm | 73.4 x 56.0 mm |
| Compression Ratio: | 9.3:1 | 11.8:1 |
| Cooling System: | Air cooled | Liquid cooled |
| Induction: | 2 x Dell'Orto PHF 30A or PHM 40B carburetors / 32mm Dell'Orto PHF | Fuel injection: 36 mm x 4 with sub-throttle |
| Ignition: | Bosch electronic | TCBI with electronic advance |
| Starting: | Electric | Electric |
| Max Power: | 58.8 kW / 80 hp @ 7500 rpm | 92.2 kW / 123.6 hp @ 9500 rpm |
| Max Torque: | 86 Nm / 8.8 kgf-m / 63.5 ft-lb @ 5800 rpm | 98.6 Nm / 72.7 lb-ft @ 7700 rpm |
| Clutch: | Wet, multiplate | Wet multi-disc, manual |
| Transmission: | 5 Speed | 6 Speed |
| Gear Ratios: | 1st 2.237 / 2nd 1.562 / 3rd 1.203 / 4th 1.000 / 5th 0.887 | 1st 2.692 (35/13) 2nd 2.059 (35/17) 3rd 1.650 (33/20) 4th 1.409 (31/22) 5th 1.222 (33/27) 6th 1.034 (30/29) |
| Final Drive: | Chain | Sealed chain |
| Front Suspension: | 38 mm Marzocchi telescopic fork | 41 mm inverted fork with compression and rebound damping and spring preload adjustability |
| Rear Suspension: | Marzocchi ET85 dual shocks, 5-way adjustable | Öhlins S46, horizontal back-link, gas-charged shock with rebound damping and spring preload adjustability |
| Front Brakes: | 2 x 280 mm Disc, 1 piston caliper | 2x 300 mm Brembo disc, Dual Brembo M4 radial-mount, monobloc, opposed 4-piston caliper |
| Rear Brakes: | Single 280 mm disc | Single 250mm, 1 piston caliper |
| Dimensions: | Length: 2200 mm / 86.6 in Width: 700 mm / 27.6 in Height: 1250 mm / 49.2 in | Length 2070 mm / 81.4 in Width 825 mm / 32.4 in Height 1115 mm / 43.8 in |
| Wheelbase: | 1500 mm / 59.1 in | 1455.4 mm / 57.3 in |
| Seat Height: | 840 mm / 33.1 in | 820 mm / 32.2 in |
| Fuel Capacity: | 18 L / 4.8 US gal / 4.0 Imp gal | 17 Litres / 4.5 US gal |