| General |
| Comments | - | V4 means ´version 4´. Traction control. 2 ride modes. Sold in Asia. |
| Year | 2019 - 20 | - |
| Colours | - | Metallic Red, Racing Blue, Dark Knight Grey |
| Make Model | KTM 125 Duke | - |
| Dimensions |
| Ground Clearance (in.) | - | 6.7 inches |
| Ground Clearance (mm) | - | 170 mm |
| Seat Height | 818 mm / 32.2 in | 815 mm / 32.1 in. |
| Wheelbase | 1357 mm / 53.4 in | 1325 mm / 52.2 in. |
| Ground Clearance | 155 mm / 6.1 in | - |
| Height | - | 1135 mm / 44.7 in. |
| Length | - | 1990 mm / 78.3 in. |
| Width | - | 725 mm / 28.5 in. |
| Weights & Capacities |
| Oil Capacity (l) | - | 1.20 litres |
| Oil Capacity (Quarts) | - | 1.27 US quarts |
| Dry Weight | 141.4 kg / 311.7 lbs | - |
| Fuel Capacity | 11 Litres / 3.0 US gal | 11.00 litres / 2.91 US gallons |
| Wet Weight | - | 141.0 kg / 310.9 lbs |
| Performance |
| Max Power | 11.3 kW / 15 hp @ 10500 rpm | - |
| Max Torque | 12 Nm / 8.85 ft-lb @ 8000 rpm | 14.2 Nm (1.4 kgf-m or 10.5 ft.lbs) @ 7500 Revolutions |
| Engine |
| Displacement (cc) | - | 155.0 cc |
| CO2 | - | 48.7 CO2 g/km. (CO2 - Carbon dioxide emission) |
| Displacement (ci) | - | 9.46 cubic inches |
| Bore x Stroke (in,) | - | 2.3 x 2.3 inches |
| Fuel Control | - | Single Overhead Cams (SOHC) |
| Bore x Stroke (mm) | - | 58.0 x 58.7 mm |
| Engine Type | - | Single cylinder, four-stroke |
| Displacement | 124.7 cc / 7.6 cu-in | - |
| Engine Detail | Four stroke, single cylinder, DOHC, 4 valves | - |
| Fuel System | - | Injection |
| Bore x Stroke | 58 x 47.2 mm | - |
| Compression Ratio | 14.5:1 | 11.6:1 |
| Cooling System | Liquid cooled | - |
| Emissions | EURO5 | - |
| Engine Lubrication | - | Wet sump |
| Fuel Consumption | - | 2.10 litres/100 km (47.6 km/l or 112.01 mpg) |
| Fuel Induction | Bosch electronic fuel injection | - |
| Ignition | Contactless, controlled, fully electronic ignition system with digital ignition timing adjustment | TCI |
| Lubrication | Wet sump | - |
| Starter | Electric | Electric |
| Valve System | - | 4 |
| Drivetrain |
| Clutch | Wet multi-disc, mechanically actuated | Wet, multiple-disc coil spring assist and slipper clutch |
| Final Drive | Chain 520 X-ring | Chain (final drive) |
| Gearbox | - | 6-speed |
| Primary Drive | - | Constant mesh |
| Transmission / Drive | 6 Speed | - |
| Chassis |
| Frame Type | Steel trellis frame, powder coated | Steel deltabox, aluminum swingarm |
| Suspension - Front | 43 mm WP-USD, AER 43 | Upside-down telescopic fork, 37 mm |
| Suspension - Rear | WP Monoshock | Linked-type Monocross |
| Rake | - | 25.0° |
| Steering Head Angle | 65° | - |
| Trail | - | 89 mm / 3.5 in. |
| Wheel Travel - Front | 140 mm / 5.5 in | 130 mm / 5.1 in. |
| Wheel Travel - Rear | 162 mm / 6.4 in | 114 mm / 4.5 in. |
| Electrical Systems |
| Instrumentation | - | LCD instruments |
| Lighting system | - | LED headlight |
| Wheels & Brakes |
| Brakes - Front | Single 300 mm disc, 4 piston radial fixed caliper | Single disc. ABS |
| Brakes - Rear | Single 230 mm disc, single piston floating caliper | Single disc. ABS |
| ABS | Bosch 10 ML Single Channel ABS | - |
| Tyres - Front | 110/70 -17 | 100/80-17 |
| Tyres - Rear | 150/60 -17 | - |