| MODEL | GILERA 125 MC 1981 |
| Year | 1981 |
| Engine Type | Single cylinder, two-stroke |
| Displacement / Capacity | 122.7 cc |
| Bore X Stroke | 54 x 53.6 mm |
| Compression Ratio | — |
| Cooling System | Air |
| Max Power | 28 hp @ 11000 rpm |
| Max Torque | — |
| Ignition | — |
| Induction | 36 mm Dell'Orto carburettor |
| Start System | Kick |
| TRANSMISSION SPECS | |
| Lubrication | — |
| Gear Box | 6-speed |
| Clutch | Cable-operated |
| Final Drive | — |
| CHASSIS SPECS | |
| Frame | Double cradle |
| Front Suspension | Marzocchi fork, 255 mm travel |
| Rear Suspension | Marzocchi dual shocks, 249 mm travel |
| Front Brakes | Drum |
| Rear Brakes | Drum |
| DIMENSION SPECS | |
| Overall Length | — |
| Overall Width | — |
| Overall Height | — |
| Seat Height | — |
| Wheelbase | — |
| Ground Clearance | — |
| Dry Weight | 92 kg |
| Wet Weight | — |
| WHEEL SPECS | |
| Front Tyre | — |
| Rear Tyre | — |
| FUEL SYSTEM | |
| Fuel Capacity | 6.8 Litres |
| Fuel Consumption | — |
| Top Speed | — |
The MC was an air-cooled 125 cc motocross two-stroke from 1981, lighter and simpler than the liquid-cooled C1 that followed.
