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KTM 690 Duke - 2008 Specifications and Reviews

The 2008 KTM 690 Duke is a lightweight naked bike powered by a potent 654cc single-cylinder engine delivering 64 horsepower, making it ideal for riders seeking agile handling and spirited performance. Known for its minimalist design, precise engineering, and accessible power delivery, the Duke suits both experienced enthusiasts and talented novices looking for a thrilling yet manageable everyday motorcycle.

4 stars Average rating: 4 from 2 votes
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General information

CategoryNaked bike
Year2008
ModelKTM 690 Duke

Engine and Transmission Specifications

Exhaust systemStainless steel underfloor silencer with integrated catalytic converter
ClutchAPTC Wet multi-disc clutch, operated hydraulically
Gearbox6-speed
Cooling systemLiquid
Lubrication systemPressure lubrication with 2 Eaton pumps
Ignition2 X keihin
Fuel controlOHC
Fuel systemCarburettor
Valves per cylinder4
Bore x stroke102.0 x 80.0 mm (4.0 x 3.1 inches)
Compression11.8:1
Torque67.00 Nm (6.8 kgf-m or 49.4 ft.lbs) @ 5500
Power64.36
Engine typeSingle cylinder, four-stroke
Capacity:654.00 ccm (39.91 cubic inches)

Brakes, suspension, Frame and wheels

Rear brakes diameter220 mm (8.7 inches)
Rear brakesSingle disc
Front brakes diameter320 mm (12.6 inches)
Front brakesSingle disc
Rear tyre dimensions160/60-17
Front tyre dimensions120/70-17
Rear suspension travel210 mm (8.3 inches)
Rear suspensionWP monoshock
Front suspension travel200 mm (7.9 inches)
Front suspensionWP USD
Frame typeChromium-molybdenum trellis frame, powder-coated
 
 

Physical measures and capacities

Fuel capacity13.50 litres (3.57 gallons)
Wheelbase1,472 mm (58.0 inches)
Ground clearance155 mm (6.1 inches)
Seat height865 mm (34.1 inches) If adjustable, lowest setting.
Power/weight ratio0.4334 HP/kg
Dry weight148.5 kg (327.4 pounds)
 
 

Other specs

StarterElectric

Rider Reviews

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