Supermotos
2005KTM 640 Duke II Black
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The 2005 KTM 640 Duke II Black is a lightweight supermoto designed for nimble urban riders and enthusiasts seeking playful, accessible performance. Its potent single-cylinder engine delivers strong low-end torque, making it ideal for navigating city streets and spirited backroad riding. Known for its aggressive styling and manageable character, it suits riders prioritizing agility and fun over outright power.
- Capacity
- 625.0 ccm
- Engine
- Single
- Gearbox
- 5-speed
- Dry weight
- 152.0 kg
- Seat height
- 900 mm
- Power
- 53.6 HP (39.4 kW)
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- Built for sharp, playful cornering and supermoto-style thrills on twisty tarmac rather than outright top speed or long-distance cruising.
- Built for
- A raw, punchy, single-cylinder hooligan bike that rewards an energetic riding style and thrives on flickable handling over refinement.
- Not ideal for
- Not a good fit for riders seeking plush comfort, pillion-friendly touring, or a smooth, vibration-free highway cruiser experience.
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
- 53.6 HP (39.4 kW)
- Torque
- 60.0 Nm (6.1 kgf-m)
- Engine type
- Single
- Power/weight ratio
- 0.3526 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 Eaton pumps
Transmission
- Gearbox
- 5-speed
- Transmission type
- Manual
- Final drive
- Chain
- Clutch
- Wet multi-disc clutch, operated hydraulically
Dimensions & weight
- Wheelbase
- 1460 mm
- Overall width
- 640 mm
- Seat height
- 900 mm
- Dry weight
- 152.0 kg
- Fuel capacity
- 11.20 litres
- Ground clearance
- 280 mm
Chassis & suspension
- Frame
- Chromium-molybdenum, power-coated
- Front suspension
- WP-USD 43 mm (1.89´
- Rear suspension
- WP - Monoshock
- Rear wheel travel
- 335 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
- 120/70-17
- Rear tyre
- 160/70-17
Other
- Color options
- 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 640 Duke II Black?
The 2005 KTM 640 Duke II Black has a Capacity of 625.0 ccm (38.14 cubic inches).
What engine power does the KTM 640 Duke II Black have?
The 2005 KTM 640 Duke II Black has a Power of 53.6 HP (39.4 kW).
How many gears does the KTM 640 Duke II Black have?
The 2005 KTM 640 Duke II Black has a Gearbox of 5-speed.
What is the torque of the KTM 640 Duke II Black?
The 2005 KTM 640 Duke II Black has a Torque of 60.0 Nm (6.1 kgf-m or 44.3 ft.lbs).
How much does the KTM 640 Duke II Black weigh?
The 2005 KTM 640 Duke II Black has a Dry weight of 152.0 kg (335.1 pounds).
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