| MODEL | DUCATI 851 BIPOSTO 1990 - 1992 |
| Year | 1990 - 1992 |
| Engine Type | Four stroke, 90° V-twin (L-twin), DOHC, desmodromic, 4 valves per cylinder, belt driven |
| Displacement / Capacity | 851 cc / 51.9 cu in |
| Bore X Stroke | 92 x 64 mm |
| Compression Ratio | 10.5:1 |
| Cooling System | Liquid cooled |
| Max Power | 80.9 kW / 110 hp @ 9600 rpm (rear wheel about 95 hp) |
| Max Torque | 70.6 Nm / 52.1 ft-lb @ 7000 rpm |
| Ignition | Inductive, magnetically triggered |
| Induction | Weber I.A.W. CPU P7 electronic fuel injection, 2 x 50 mm throttle bodies |
| Start System | Electric |
| TRANSMISSION SPECS | |
| Lubrication | — |
| Gear Box | 6 Speed |
| Clutch | Dry, multiplate |
| Final Drive | Chain, ratio 2.6:1 |
| CHASSIS SPECS | |
| Frame | Tubular steel |
| Front Suspension | 41 mm Showa upside-down fork, rebound and compression damping adjustable |
| Rear Suspension | Showa single shock, preload and damping adjustable |
| Front Brakes | 2 x 320 mm disc, 4 piston calipers |
| Rear Brakes | Single 245 mm disc, 2 piston caliper |
| DIMENSION SPECS | |
| Overall Length | 2000 mm / 78.7 in |
| Overall Width | 670 mm / 26.4 in |
| Overall Height | 1120 mm / 44.1 in |
| Seat Height | 760 mm / 29.9 in |
| Wheelbase | 1430 mm / 56.3 in |
| Ground Clearance | — |
| Dry Weight | 199 kg |
| Wet Weight | 210 kg |
| WHEEL SPECS | |
| Front Tyre | 120/60 x 17 |
| Rear Tyre | 180/55 x 17 |
| FUEL SYSTEM | |
| Fuel Capacity | 20 Litres / 5.3 US gal / 4.4 Imp gal |
| Fuel Consumption | 5.1 L/100 km |
| Top Speed | — |
Biposto (two-seat) is Ducati's name for the dual-seat road version of the 851 Strada, with a passenger seat and pegs fitted for the street. Across 1990-1992 it used the 851 cc engine in the 17-inch-wheeled chassis, moving to Showa suspension and a lower compression ratio than the 1989-1990 bikes.
