| MODEL | LAVERDA 125 LB UNO 1985 |
| Year | 1985 |
| Engine Type | Two stroke, single cylinder |
| Displacement / Capacity | 124 cc / 7.6 cu in |
| Bore X Stroke | 64 x 51 mm |
| Compression Ratio | 14.0:1 |
| Cooling System | Liquid cooled |
| Max Power | 23 hp / 16.8 kW @ 9200 rpm |
| Max Torque | — |
| Ignition | CDI |
| Induction | Dell'Orto premix carburettor |
| Start System | Kick |
| TRANSMISSION SPECS | |
| Lubrication | — |
| Gear Box | 7 speed |
| Clutch | — |
| Final Drive | Chain |
| CHASSIS SPECS | |
| Frame | — |
| Front Suspension | Telescopic forks |
| Rear Suspension | Alloy swing arm, single shock with adjustable damping |
| Front Brakes | 2 x 260 mm discs, 2-piston calipers |
| Rear Brakes | Single 160 mm drum |
| DIMENSION SPECS | |
| Overall Length | — |
| Overall Width | — |
| Overall Height | — |
| Seat Height | — |
| Wheelbase | — |
| Ground Clearance | — |
| Dry Weight | 129 kg / 284 lbs |
| Wet Weight | — |
| WHEEL SPECS | |
| Front Tyre | 100/80-16 |
| Rear Tyre | 130/70-17 |
| FUEL SYSTEM | |
| Fuel Capacity | 14 Litres / 3.7 US gal |
| Fuel Consumption | — |
| Top Speed | — |
An update of the first LB 125 Sport with a square-tube frame, rear mono-shock, 16 inch front wheel and 14:1 compression. The small front wheel gave it a lively, somewhat nervous front end.
