The Hero Duet 125 comes with 124.6 cc air-cooled engine which is coupled to a CVT gearbox and motor develops 8.7 bhp and 10.2 Nm of torque. The scooter employs drum brakes at either end, supported by Combi-braking system. Suspension system comprises telescopic front fork and a one-sided shock absorber at the rear.
| Engine Type : | Air-Cooled, 4-Stroke Single Cylinder OHC |
| Engine Displacement (CC) : | 124.5 cc |
| Power (PS@rpm) : | 8.82 PS @ 6750 rpm |
| Torque (Nm@rpm) : | 10.2 Nm @ 5000 rpm |
| Drive Type : | Belt Drive |
| No Of Cylinders : | 1 |
| Valves (per cylinder) : | 2 |
| Fuel System : | Carburetor |
| Fuel Type : | Petrol |
Performance and Fuel Economy
| Top Speed (Km/h) : | 85 Kmph |
| Brakes Front : | Drum |
| Brakes Rear : | Drum |
| Suspension-Front : | Telescopic Fork |
| Suspension-Rear : | Single Coil Spring Hydraulic Type |
| Tyre Size (Front) : | 90/100-10 Rear :-90/100 – 10 |
| Wheel Size : | Front :-10 inch, Rear :-10 inch |
| Tyre Type : | Tubeless |
| Wheels Type (Pressed Steel/ Alloy) : | Alloy |
| Length*Width*Height : | 1809*1154*729 |
| Wheelbase(mm) : | 1245 mm |
| Ground Clearance (mm) : | 155 mm |
| Fuel Capacity (Litres) : | 5.5 Ltrs |
| Kerb Weight : | 111.5 kg |
| Head Lamp : | Halogen with LED DRLs |
| Projector head light : | N |
| Pilot Lamps : | N |
| LED tail lights : | N |
Service Cost
| Air Filter Service Cost : | N |
| Spark Plug Service Cost : | N |