| MODEL | DUCATI 400SS HALF FAIRING 1991 - 1998 |
| Year | 1991 - 1998 |
| Engine Type | Four stroke, 90 degree L-twin cylinder, SOHC, desmodromic 2 valve per cylinder |
| Displacement / Capacity | 398 cc / 24.3 cu in |
| Bore X Stroke | 70.5 x 51 mm |
| Compression Ratio | 10.0:1 |
| Cooling System | Air cooled |
| Max Power | 30.9 kW / 42 hp @ 10000 rpm |
| Max Torque | 35.2 Nm / 26 ft-lb @ 8500 rpm |
| Ignition | Kokusan electronic |
| Induction | Mikuni B79 carburettor |
| Start System | Electric |
| TRANSMISSION SPECS | |
| Lubrication | — |
| Gear Box | 6 Speed |
| Clutch | — |
| Final Drive | Chain |
| CHASSIS SPECS | |
| Frame | — |
| Front Suspension | Marzocchi inverted telescopic fork, 40USD/E |
| Rear Suspension | Cantilever swingarm, Marzocchi PBS1R monoshock, preload and rebound damping |
| Front Brakes | Single 320 mm disc |
| Rear Brakes | Single 245 mm disc |
| DIMENSION SPECS | |
| Overall Length | 2020 mm / 79.5 in |
| Overall Width | 730 mm / 28.7 in |
| Overall Height | 1110 mm / 43.7 in |
| Seat Height | 750 mm / 29.5 in |
| Wheelbase | 1410 mm / 55.5 in |
| Ground Clearance | — |
| Dry Weight | 173 kg / 381 lbs |
| Wet Weight | — |
| WHEEL SPECS | |
| Front Tyre | 130/60 VR17 |
| Rear Tyre | 160/60 VR17 |
| FUEL SYSTEM | |
| Fuel Capacity | 17 L / 4.5 US gal / 3.7 Imp gal |
| Fuel Consumption | — |
| Top Speed | 180 km/h / 112 mph |
Half-faired variant of the 400SS, offered alongside the standard bikini-faired bike. Mechanically it is the 398 cc 750SS-derived L-twin with a trellis frame and 17 in wheels, wearing a small fairing instead of the bikini nose. The listed figures match the standard 400SS exactly.
