| MODEL | DUCATI 900S2 1983 |
| Year | 1983 |
| Engine Type | Four-stroke, 90 degree L-twin, SOHC, desmodromic 2 valves per cylinder, bevel gear driven |
| Displacement / Capacity | 864 cc / 52.7 cu in |
| Bore X Stroke | 86 x 74.4 mm |
| Compression Ratio | 9.3:1 |
| Cooling System | Air cooled |
| Max Power | 58.8 kW / 80 hp @ 7500 rpm |
| Max Torque | 86 Nm / 63.5 ft-lb @ 5800 rpm |
| Ignition | Bosch electronic |
| Induction | 2 x Dell'Orto PHF 30A or PHM 40B carburettors (PHF 32 on some markets) |
| Start System | Electric or kick |
| TRANSMISSION SPECS | |
| Lubrication | — |
| Gear Box | 5 speed |
| Clutch | Wet, multiplate |
| Final Drive | Chain, 2.200:1 ratio |
| CHASSIS SPECS | |
| Frame | — |
| Front Suspension | 38 mm Marzocchi telescopic fork |
| Rear Suspension | Marzocchi ET85 dual shocks, 5-way adjustable |
| Front Brakes | 2 x 280 mm discs, 1 piston caliper |
| Rear Brakes | Single 280 mm disc |
| DIMENSION SPECS | |
| Overall Length | 2200 mm / 86.6 in |
| Overall Width | 700 mm / 27.6 in |
| Overall Height | 1250 mm / 49.2 in |
| Seat Height | 840 mm / 33.1 in |
| Wheelbase | 1500 mm / 59.1 in |
| Ground Clearance | — |
| Dry Weight | 190 kg / 419 lbs |
| Wet Weight | — |
| WHEEL SPECS | |
| Front Tyre | 100/90-V18 |
| Rear Tyre | 120/90-V18 |
| FUEL SYSTEM | |
| Fuel Capacity | 18 Litres / 4.8 US gal |
| Fuel Consumption | 5.4 L/100 km / 43.6 US mpg |
| Top Speed | 205 km/h / 127 mph |
The 900 S2 replaced the 900 SS in 1982 as the final evolution of the bevel-drive 900, tuned for emissions yet with an improved gearbox and the same chassis family as the Hailwood Replica. Owners often freed up power with open exhausts and carb rejetting; only 1,236 were built before the Cagiva takeover.
