KTM 125 DUKE 2021

AMS PRICE: £4,499.00
YEAR: 2021

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The KTM 125 DUKE may be the entry-level bike of the range, but it isn't here to play games. It's built with the same attitude as the bigger bikes - and it shows. It's no holds barred with this urban warrior, complete with an LED headlight and TFT display. This 4-stroke single cylinder has fuel-injection and a 6-speed transmission to deliver class-leading performance with low fuel consumption to keep you riding longer.


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KTM 125 DUKE 2021

Technical Details


  • Design: 1-cylinder 4-stroke engine, water-cooled
  • Displacement: 124.7 cm³
  • Bore: 58 mm
  • Stroke: 47.2 mm
  • Starting aid: Electric starter
  • Performance: 11 kW (15 hp)
  • Transmission: 6-speed, claw shifted
  • Lubrication: Wet sump
  • Primary ratio: 22:72
  • Final drive: 14:45
  • Cooling system: Liquid cooling system, continuous circulation of cooling liquid with water pump
  • Clutch: Wet multi-disc clutch / mechanically actuated
  • Ignition system: Contactless, controlled, fully electronic ignition system with digital ignition timing adjustment


  • Frame: Steel trellis frame, powder coated
  • Fork: WP upside-down Ø 43 mm
  • Shock absorber: WP Suspension 4618 EM
  • Suspension travel Front: 142 mm
  • Suspension travel Rear: 150 mm
  • Brake system front: Four-piston radial fixed calliper, brake disc
  • Brake system rear: Single-piston floating calliper, brake disc
  • Brake discs - diameter front: 300 mm
  • Brake discs - diameter rear: 230 mm
  • Chain: X-Ring 5/8 x 1/4"
  • Steering head angle: 66°
  • Wheelbase: 1,367±15.5 mm
  • Ground clearance (unloaded): 185 mm
  • Seat height (unloaded): 830 mm
  • Total fuel tank capacity approx.: 13.4 L
  • Weight without fuel approx.: 137 kg