Supermotos
2005KTM 640 Duke II Red
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The 2005 KTM 640 Duke II Red is a lightweight supermotard designed for riders seeking nimble handling and urban agility. Its potent 625cc single-cylinder engine delivers strong low-end torque, making it ideal for city commuting and spirited back-road riding. Known for its aggressive styling and razor-sharp maneuverability, this bike excels in mixed riding conditions.
- 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 supermoto-style thrills: flickable handling, sharp cornering, and fun on twisty backroads or tight urban streets.
- Built for
- A raw, torquey single-cylinder supermoto with aggressive handling and a distinctly analog, mechanical riding feel.
- Not ideal for
- Not a good match for riders seeking long-distance comfort, high top-end speed, or smooth multi-cylinder refinement.
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
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 Red?
The 2005 KTM 640 Duke II Red has a Capacity of 625.0 ccm (38.14 cubic inches).
What engine power does the KTM 640 Duke II Red have?
The 2005 KTM 640 Duke II Red has a Power of 53.6 HP (39.4 kW).
How many gears does the KTM 640 Duke II Red have?
The 2005 KTM 640 Duke II Red has a Gearbox of 5-speed.
What is the torque of the KTM 640 Duke II Red?
The 2005 KTM 640 Duke II Red has a Torque of 60.0 Nm (6.1 kgf-m or 44.3 ft.lbs).
How much does the KTM 640 Duke II Red weigh?
The 2005 KTM 640 Duke II Red has a Dry weight of 152.0 kg (335.1 pounds).
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