AMS PRICE: £6,999.00
YEAR: 2018
WAS: £7,999.00

Two decades ago, the original Duke was nothing short of revolutionary. KTM’s first single-cylinder street bike grew into a cult classic, adding extreme fun to a raw and radical concept. In 2017, the fully revised 690 DUKE stays faithful to its ancestor’s ways, but adds future-proof refinements: impressive smoothness, sophisticated electronics, improved ergonomics and a good old power boost over last year’s model. This firmly cements the world’s strongest single-cylinder production motorcycle at the cutting edge of engineering. Speaking of which: carving corners has never been more fun, thanks to its revised fork offset. Long live the Duke!


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Technical Details


  • Design: Single-cylinder, 4-stroke, spark-ignition engine, liquid-cooled
  • Displacement: 690 cm³
  • Bore: 102 mm
  • Stroke: 84.5 mm
  • Starting aid: Electric starter, automatic decompressor
  • Performance: 54 kW
  • Transmission: 6-speed, claw shifted
  • Lubrication: Forced oil lubrication with 2 oil pumps
  • Primary ratio: 36:79
  • Final drive: 16:40
  • Cooling system: Liquid cooling system, continuous circulation of cooling liquid with water pump
  • Clutch: APTC(TM) slipper clutch, hydraulically actuated
  • Ignition system: Contactless, controlled, fully electronic ignition system with digital ignition timing adjustment


  • Frame: Chromium-Molybdenum steel trellis frame, powder coated
  • Fork: WP upside-down Ø 43 mm
  • Shock absorber: WP shock absorber with Pro-Lever linkage
  • Suspension travel Front: 135 mm
  • Suspension travel Rear: 135 mm
  • Brake system front: Brembo monoblock four-piston radial fixed calliper, brake disc
  • Brake system rear: Brembo single-piston floating calliper, brake disc
  • Brake discs - diameter front: 320 mm
  • Brake discs - diameter rear: 240 mm
  • Chain: X-Ring 5/8 x 1/4
  • Steering head angle: 63.5°
  • Wheelbase: 1,466±15 mm
  • Ground clearance (unloaded): 192 mm
  • Seat height (unloaded): 835 mm
  • Total fuel tank capacity approx.: 14 l Unleaded premium fuel (95 RON)
  • Weight without fuel approx.: 148.5 kg