Supermotos
2006KTM 640 LC4 Supermoto Black
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The 2006 KTM 640 LC4 Supermoto Black is a lightweight single-cylinder supermoto designed for aggressive street riders seeking versatile performance on both road and light off-road terrain. Its potent 625cc engine delivers responsive torque and nimble handling characteristics that make it ideal for urban commuting and spirited canyon carving. Best known for its Austrian engineering excellence and distinctive black styling, it appeals to experienced riders valuing agility and distinctive character.
- Capacity
- 625.0 ccm
- Engine
- Single
- Gearbox
- 5-speed
- Dry weight
- 149.0 kg
- Seat height
- 910 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 thrills, flickable cornering and sharp handling on tight twisty roads or track days rather than covering long distances.
- Built for
- A raw, punchy, big-bore single with supermoto DNA that rewards aggressive, playful riding and rider skill over outright top-end speed.
- Not ideal for
- Not a good fit for riders wanting plush comfort, pillion-friendly touring, or a low, easy-reach seat height.
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
- 0.3597 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
- Lubrication system
- Pressure lubrication
Transmission
- Gearbox
- 5-speed
- Transmission type
- Manual
- Final drive
- Chain
- Clutch
- Multi-disc wet clutch, hydraulically operated
Dimensions & weight
- Wheelbase
- 1510 mm
- Overall width
- 640 mm
- Seat height
- 910 mm
- Dry weight
- 149.0 kg
- Ground clearance
- 280 mm
Chassis & suspension
- Frame
- Double ground, chrome-moly-steel frame, powder-coated
- Front suspension
- WP-USD 48 mm (1.89 inches)
- Rear suspension
- WP-Monoshock with Pro-Lever linkage
- Front wheel travel
- 300 mm
- Rear wheel travel
- 335 mm
- Rake (fork angle)
- 27.0°
- Trail
- 99 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
- 160/60-17
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 LC4 Supermoto Black?
The 2006 KTM 640 LC4 Supermoto Black has a Capacity of 625.0 ccm (38.14 cubic inches).
What engine power does the KTM 640 LC4 Supermoto Black have?
The 2006 KTM 640 LC4 Supermoto Black has a Power of 53.6 HP (39.4 kW).
How many gears does the KTM 640 LC4 Supermoto Black have?
The 2006 KTM 640 LC4 Supermoto Black has a Gearbox of 5-speed.
What is the torque of the KTM 640 LC4 Supermoto Black?
The 2006 KTM 640 LC4 Supermoto Black has a Torque of 60.0 Nm (6.1 kgf-m or 44.3 ft.lbs).
How much does the KTM 640 LC4 Supermoto Black weigh?
The 2006 KTM 640 LC4 Supermoto Black has a Dry weight of 149.0 kg (328.5 pounds).
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