| MODEL | MOTO MORINI 400S 1983 |
| Year | 1983 |
| Engine Type | Four stroke, 72 degree V-twin, belt driven single cam operating pushrod, 2 valves per cylinder |
| Displacement / Capacity | 396 cc / 24.1 cu in |
| Bore X Stroke | 66.5 x 57 mm |
| Compression Ratio | 11.0:1 |
| Cooling System | Air cooled |
| Max Power | — |
| Max Torque | — |
| Ignition | Electronic (Kokusan) |
| Induction | Carburettor |
| Start System | Electric |
| TRANSMISSION SPECS | |
| Lubrication | — |
| Gear Box | 6 speed |
| Clutch | — |
| Final Drive | Chain |
| CHASSIS SPECS | |
| Frame | — |
| Front Suspension | 35 mm Marzocchi forks, 150 mm travel |
| Rear Suspension | Marzocchi shocks, 150 mm wheel travel |
| Front Brakes | Single 230 mm disc |
| Rear Brakes | Single 136 mm disc |
| DIMENSION SPECS | |
| Overall Length | — |
| Overall Width | — |
| Overall Height | — |
| Seat Height | — |
| Wheelbase | — |
| Ground Clearance | — |
| Dry Weight | — |
| Wet Weight | 156 kg / 343.9 lbs |
| WHEEL SPECS | |
| Front Tyre | 100/90-18 |
| Rear Tyre | 3.50-18 |
| FUEL SYSTEM | |
| Fuel Capacity | 15 Litres / 3.9 US gal |
| Fuel Consumption | — |
| Top Speed | — |
The 400S is a bored-out version of the 350 V-twin, giving 396 cc in a road-going chassis with 18 inch wheels and disc brakes at both ends. It sat above the 350 range for riders wanting a bit more displacement.
