Supermotos
2001KTM Duke II 640
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The 2001 KTM Duke II 640 is a lightweight super motard designed for agile, accessible riding. Its compact 145kg frame and potent 625cc single-cylinder engine deliver responsive performance ideal for urban commuting and spirited backroad riding. Known for exceptional maneuverability and everyday practicality, it appeals to riders seeking a genuine alternative to larger, heavier machines.
- Capacity
- 625.0 ccm
- Engine
- Single, four-stroke
- Gearbox
- 5-speed
- Dry weight
- 145.0 kg
- Seat height
- 860 mm
- Power
- 55.0 HP (40.5 kW)
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- Built for supermoto thrills: tight, twisty roads, city dashes, and the occasional trackday rather than long-distance travel.
- Built for
- A raw, rowdy, minimalist machine that thrives on aggressive throttle inputs and rewards an active, engaged riding style.
- Not ideal for
- Not a good fit for riders seeking plush comfort, passenger-friendly ergonomics, or a relaxed long-haul touring companion.
Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.
Will it fit you?
Worked out in your browser - nothing is sent to usEngine
- Capacity
- 625.0 ccm
- Power
- 55.0 HP (40.5 kW)
- Torque
- 58.0 Nm (5.9 kgf-m)
- Engine type
- Single, four-stroke
- Power/weight ratio
- 0.3793 HP/kg (dry)
- Bore x stroke
- 101.0 x 78.0 mm
- Compression
- 11.7:1
- Cooling system
- Liquid
- Fuel system
- Carburettor
- Starting
- Electric & kick
- Ignition
- Kokusan DC-CDI
- Valves per cylinder
- 4
- Lubrication system
- Pressure lubrication with 2 oil pumps
Transmission
- Gearbox
- 5-speed
- Transmission type
- Manual
- Final drive
- Chain
- Clutch
- Wet multi-disc clutch, operated hydraulically
Performance
- Top speed
- 177.0 km/h (110.0 mph)
Dimensions & weight
- Wheelbase
- 1460 mm
- Seat height
- 860 mm
- Dry weight
- 145.0 kg
- Fuel capacity
- 12.00 litres
- Ground clearance
- 280 mm
Chassis & suspension
- Frame
- Chromium-molybdenum, powder-coated
- Front suspension
- WP USD
- Rear suspension
- WP monoshock
- Front wheel travel
- 140 mm
- Rear wheel travel
- 170 mm
- Rake (fork angle)
- 26.5°
- Trail
- 109 mm
Brakes & wheels
- Front brakes
- Single disc
- Front brakes diameter
- 320 mm
- Rear brakes
- Single disc
- Rear brakes diameter
- 220 mm
- Front tyre
- 120/70-HR17
- Rear tyre
- 160/60-HR17
Other
- Color options
- Silver/black, green/black
Compiled from manufacturer documentation and user contributions, corrected on an ongoing basis. Spotted something wrong? Tell us.
Rider Reviews
Common questions
What is the engine size of the KTM Duke II 640?
The 2001 KTM Duke II 640 has a Capacity of 625.0 ccm (38.14 cubic inches).
What engine power does the KTM Duke II 640 have?
The 2001 KTM Duke II 640 has a Power of 55.0 HP (40.5 kW).
How many gears does the KTM Duke II 640 have?
The 2001 KTM Duke II 640 has a Gearbox of 5-speed.
What is the torque of the KTM Duke II 640?
The 2001 KTM Duke II 640 has a Torque of 58.0 Nm (5.9 kgf-m or 42.8 ft.lbs).
How much does the KTM Duke II 640 weigh?
The 2001 KTM Duke II 640 has a Dry weight of 145.0 kg (319.7 pounds).
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