22 June. Monday 2026
Derbi Sonar 125 4T - 2012 Specifications and Reviews
The 2012 Derbi Sonar 125 4T is an automatic scooter designed for urban commuters and entry-level riders seeking economical, hassle-free transportation. Its air-cooled single-cylinder four-stroke engine delivers modest but practical power with reliable carburetor fueling and automatic belt transmission. Known for simplicity, fuel efficiency and manageable handling, it excels in congested city environments.
General information | |
| Category | Scooter |
| Year | 2012 |
| Model | Derbi Sonar 125 4T |
| | |
Engine and Transmission Specifications | |
| Emission details | Compartment underthe seat to hold a jet helmet. |
| Driveline | Automatic CVT |
| Clutch | Automatic centrifugal |
| Transmission type,final drive | Belt |
| Gearbox | Automatic |
| Cooling system | Air |
| Lubrication system | Mechanical oil pump |
| Fuel system | Carburettor |
| Bore x stroke | 57.0 x 48.6 mm (2.2 x 1.9 inches) |
| Compression | 10.6:1 |
| Torque | 9.60 Nm (1.0 kgf-m or 7.1 ft.lbs) @ 7250 |
| Power | 10.60 |
| Engine type | Single cylinder, four-stroke |
| Capacity: | 124.00 ccm (7.57 cubic inches) |
| | |
Brakes, suspension, Frame and wheels | |
| Rear brakes diameter | 140 mm (5.5 inches) |
| Rear brakes | Expanding brake (drum brake) |
| Front brakes diameter | 220 mm (8.7 inches) |
| Front brakes | Single disc |
| Rear tyre dimensions | 110/80-14 |
| Front tyre dimensions | 90/80-16 |
| Rear suspension | Single shock absorber |
| Front suspension | Hydraulic fork |
Physical measures and capacities | |
| Fuel capacity | 6.00 litres (1.59 gallons) |
| Wheelbase | 1,325 mm (52.2 inches) |
| Overall width | 740 mm (29.1 inches) |
| Overall length | 1,930 mm (76.0 inches) |
| Seat height | 805 mm (31.7 inches) If adjustable, lowest setting. |
| Power/weight ratio | 0.1071 HP/kg |
| Dry weight | 99.0 kg (218.3 pounds) |
Other specs | |
| Wheelbase | 1,490 mm (58.7 inches) |
| Ground clearance | 275 mm (10.8 inches) |
| Rear tyre | 26/11-12 |
| Front tyre | 26/9-12 |
| Rear Suspension | Dual A-arm |
| Front Suspension | Dual A-arm |
| Ignition | ECU |
| Fuel control | Single Overhead Cams (SOHC) |
| Bore x Stroke | 91.0 x 91.0 mm (3.6 x 3.6 inches) |
| Compression | 10.3:1 |
| Torque | 70.00 Nm (7.1 kgf-m or 51.6 ft.lbs) @ 6300 Revolutions">RPM |
| Capacity: | 800.00 ccm (48.82 cubic inches) |
| Color options | White, black |
| Starter | Electric |
Rider Reviews
Add a Comment
Related Motorcycle Specifications
More Derbi Motorcycles
- Motorcycles in database: 36900
- Technical specifications: 1251993
- Images of motorcycles: 63755
- Videos: 339
- Manufacturers: 502
Please Login or Register if you would like to leave a comment.