| MODEL | MOTOBI IMPERIALE SPORT 1955 |
| Year | 1955 |
| Engine Type | Single cylinder, four-stroke, OHV |
| Displacement / Capacity | 125 cc / 7.63 cu in |
| Bore X Stroke | 54.0 x 54.0 mm / 2.1 x 2.1 in |
| Compression Ratio | 6.5:1 |
| Cooling System | Air |
| Max Power | 4.2 kW / 5.8 hp @ 6500 rpm |
| Max Torque | — |
| Ignition | — |
| Induction | Dell'Orto carburettor |
| Start System | Kick |
| TRANSMISSION SPECS | |
| Lubrication | — |
| Gear Box | — |
| Clutch | — |
| Final Drive | Chain |
| CHASSIS SPECS | |
| Frame | — |
| Front Suspension | Telescopic |
| Rear Suspension | Swingarm with twin shocks |
| Front Brakes | Drum |
| Rear Brakes | Drum |
| DIMENSION SPECS | |
| Overall Length | — |
| Overall Width | — |
| Overall Height | — |
| Seat Height | — |
| Wheelbase | — |
| Ground Clearance | — |
| Dry Weight | 93 kg / 205 lbs |
| Wet Weight | — |
| WHEEL SPECS | |
| Front Tyre | — |
| Rear Tyre | — |
| FUEL SYSTEM | |
| Fuel Capacity | 15 Litres / 3.96 US gal |
| Fuel Consumption | — |
| Top Speed | 120.7 km/h / 75 mph |
A small-capacity four-stroke sports roadster from Motobi's early years, using a 125 cc overhead-valve single with a modest output. Light at about 93 kg, it offered a claimed top speed around 120 km/h.
