The KTM 125 Duke motorcycle was released in 2012 and features a four-stroke, single-cylinder, DOHC, 4-valve engine with a capacity of 124.7 cc. It has a liquid-cooled cooling system with a compression ratio of 14.5:1 and forced oil lubrication with 1 Eaton pump. The bike is electronically fuel injected with contactless, controlled, fully electronic ignition system with digital ignition timing adjustment. The electric starter provides a maximum power of 11.3 kW at 10,500 rpm and a maximum torque of 12 Nm at 8000 rpm. The clutch is hydraulically operated and the transmission is 6-speed with a final drive chain. The frame is space frame with chrome-molybdenum steel tubes and the subframe is made of steel. The bike has a 38 mm WP upside-down fork front suspension and a WP monoshock rear suspension with a front wheel travel of 160 mm and a rear wheel travel of 160 mm. The bike has single disc brakes on both the front and rear wheels and the front tyre size is 110/70 -17, while the rear tyre size is 150/60 -17. The steering head angle is set at 65 degrees with a wheelbase of 1367 mm and a ground clearance of 170 mm. The seat height is 810 mm and the dry weight is 127 kg. It has a fuel capacity of 11 litres.
Technical specifications:
Make Model: KTM 125 Duke
| Year | 2012 |
|---|---|
| Engine | Four stroke, single cylinder, DOHC, 4 Valves |
| Capacity | 124.7 cc / 7.6 cu-in |
| Bore x Stroke | 58 x 47 mm |
| Cooling System | Liquid cooled |
| Compression Ratio | 14.5:1 |
| Lubrication | Forced oil lubrication with 1 Eaton pump |
| Induction | Electronic fuel injection |
| Ignition | Contactless, controlled, fully electronic ignition system with digital ignition timing adjustment |
| Starting | Electric |
| Max Power | 11.3 kW / 15 hp @ 10500 rpm |
| Max Torque | 12 Nm / 1.22 kgf-m / 8.85 ft-lb @ 8000 rpm |
| Clutch | Multi-disc clutch, operated hydraulically |
| Transmission | 6 Speed |
| Final Drive | Chain 5/8 x 1/4″ X Ring |
| Frame | Space frame in chrome -molybdenum steel tubes Subframe: steel |
| Front Suspension | 38 mm WP upside-down fork |
| Front Wheel Travel | 160 mm / 6.2 in |
| Rear Suspension | WP monoshock. |
| Rear Wheel Travel | 160 mm / 6.2 in |
| Front Brakes | Single 280 mm disc |
| Rear Brakes | Single 220 mm disc |
| Front Tyre | 110/70 -17 |
| Rear Tyre | 150/60 -17 |
| Steering Head Angle | 65 degrees |
| Wheelbase | 1367 mm / 53.8 in |
| Ground Clearance | 170 mm / 6.7 in |
| Seat Height | 810 mm / 31.8 in |
| Dry Weight | 127 kg / 280 lbs |
| Fuel Capacity | 11 Litres / 2.9 US gal / 2.4 Imp gal |
