| TECHNICAL SPECIFICATION |
|---|
| Model ID |
|---|
| Manufacturer (Make) | Derbi |
| Model Name | Sonar 125 4T |
| Year | 2011 |
| Category(class) | Scooter |
| Engine |
|---|
| Engine Capacity (Displacement) | 124 ccm (7.57 cubic inches) |
| Engine Type | Single cylinder, four-stroke |
| Bore x Stroke | Ø57.0 mm x 48.6 mm (Ø2.24 inches x 1.91 inches) |
| Bore/Stroke Ratio | 1.17 |
| Compression Ratio | 10.6:1 |
| Fuel System(Carburetion) | Carburettor |
| Starter System | Electric |
| Lubrication System | Mechanical oil pump |
| Cooling System | Air |
| Powertrain |
|---|
| Clutch | Automatic centrifugal |
| Transmission (Final Drive) | Belt |
| Chassis/Suspension/Brakes |
|---|
| Front Suspension | 32 mm fork. |
| Front Suspension Travel | 76 mm (2.99 inches) |
| Rear Suspension | Monoshock |
| Rear Suspension Travel | 64 mm (2.52 inches) |
| Front Brakes | Single disc |
| Front Brakes Diameter | Ø220 mm (Ø8.66 inches) |
| Rear Brakes | Expanding brake (drum brake) |
| Rear Brakes Diameter | Ø140 mm (Ø5.51 inches) |
| Front Tire | 90/80-16 |
| Rear Tire | 110/80-14 |
| Dimensions |
|---|
| Overall Length | 1930 mm (75.98 inches) |
| Overall Width | 740 mm (29.13 inches) |
| Seat Height | 805 mm (31.69 inches) |
| Wheelbase | 1325 mm (52.17 inches) |
| Dry Weight | 99.0 kg (218 lb) |
| Fuel Capacity | 6.00 litres (1.59 gallons) |
| Performance |
|---|
| Max Power | 10.60 HP (7.7 kW) at 8000 RPM |
| Max Torque | 9.60 Nm (7.06 ft*lbs) at 7250 RPM |
| Power/Weight Ratio | 0.1 Hp/Kg |
| Top Speed | - |
| Acceleration (dart, speedup) time | |
| 0-100 km/h | 15.3 seconds |
| 0-60 mph | 14.5 seconds |
| 1/4 mile | - |
| 60 to 140 km/h, highest gear | - |
