| MODEL | VESPA COSA 125 1988 - 1991 |
| Year | 1988 - 1991 |
| Engine Type | Air-cooled, single cylinder, two-stroke |
| Displacement / Capacity | 123.4 cc |
| Bore X Stroke | 52.5 x 57.0 mm |
| Compression Ratio | 9.2:1 |
| Cooling System | Air cooled |
| Max Power | 5.88 kW / 8 hp @ 5800 rpm |
| Max Torque | 10.5 Nm @ 4500 rpm |
| Ignition | — |
| Induction | — |
| Start System | — |
| TRANSMISSION SPECS | |
| Lubrication | — |
| Gear Box | 4-speed manual, twist-grip |
| Clutch | — |
| Final Drive | — |
| CHASSIS SPECS | |
| Frame | — |
| Front Suspension | — |
| Rear Suspension | — |
| Front Brakes | Integral braking, hydraulic circuit with pressure regulator (both wheels) |
| Rear Brakes | — |
| DIMENSION SPECS | |
| Overall Length | — |
| Overall Width | — |
| Overall Height | — |
| Seat Height | — |
| Wheelbase | — |
| Ground Clearance | — |
| Dry Weight | — |
| Wet Weight | — |
| WHEEL SPECS | |
| Front Tyre | — |
| Rear Tyre | — |
| FUEL SYSTEM | |
| Fuel Capacity | 7.7 L |
| Fuel Consumption | — |
| Top Speed | 88 km/h |
A rounded, modern-looking Vespa of the late 1980s with plastic panels and an integral brake system that linked front and rear. The 125 was the smallest-capacity version.
