What category is the 2004 KTM 640 LC4 SM Supermoto?

The 2004 KTM 640 LC4 SM Supermoto has a Category of Super motard.

What is the engine size of the 2004 KTM 640 LC4 SM Supermoto?

The 2004 KTM 640 LC4 SM Supermoto has a Capacity: of 625.00 ccm (38.14 cubic inches).

What type of engine does the 2004 KTM 640 LC4 SM Supermoto have?

The 2004 KTM 640 LC4 SM Supermoto has a Engine type of Single cylinder.

What is the engine power of the 2004 KTM 640 LC4 SM Supermoto?

The 2004 KTM 640 LC4 SM Supermoto has a Power of 53.64.

What is the torque of the 2004 KTM 640 LC4 SM Supermoto?

The 2004 KTM 640 LC4 SM Supermoto has a Torque of 55.00.

Is the 2004 KTM 640 LC4 SM Supermoto air cooled or liquid cooled?

The 2004 KTM 640 LC4 SM Supermoto has a Cooling system of Liquid.

How many gears does the 2004 KTM 640 LC4 SM Supermoto have?

The 2004 KTM 640 LC4 SM Supermoto has a Gearbox of 5-speed.

How much does the 2004 KTM 640 LC4 SM Supermoto weigh?

The 2004 KTM 640 LC4 SM Supermoto has a Dry weight of 149.0 kg (328.5 pounds).

What is the seat height of the 2004 KTM 640 LC4 SM Supermoto?

The 2004 KTM 640 LC4 SM Supermoto has a Seat height of 910 mm (35.8 inches) If adjustable, lowest setting..

KTM 640 LC4 SM Supermoto - 2004 Specifications and Reviews

The 2004 KTM 640 LC4 SM is a lightweight supermoto designed for agile street and track riding. Its single-cylinder liquid-cooled engine delivers punchy mid-range torque, making it ideal for riders seeking nimble handling and accessible performance. Best known for its versatile nature, it excels in urban environments and tight cornering.

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2004

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General information
Category	Super motard
Year	2004
Model	KTM 640 LC4 SM Supermoto
Engine and Transmission Specifications
Transmission typefinal drive	Chain
Gearbox	5-speed
Cooling system	Liquid
Fuel control	OHC
Fuel system	Carburettor
Bore x stroke	101.0 x 78.0 mm (4.0 x 3.1 inches)
Compression	11.7:1
Torque	55.00
Power	53.64
Stroke	4
Engine type	Single cylinder
Capacity:	625.00 ccm (38.14 cubic inches)

Physical measures and capacities
Wheelbase	1,510 mm (59.4 inches)
Ground clearance	290 mm (11.4 inches)
Overall width	640 mm (25.2 inches)
Overall height	640 mm (25.2 inches)
Alternate seat height	675 mm (26.6 inches) If adjustable, highest setting.
Seat height	910 mm (35.8 inches) If adjustable, lowest setting.
Dry weight	149.0 kg (328.5 pounds)

KTM 640 LC4 SM Supermoto dimensions and frame
Rear brakes diameter	220 mm (8.7 inches)
Rear brakes	Single disc
Front brakes diameter	320 mm (12.6 inches)
Front brakes	Single disc
Front tyre dimensions	120/70-17
Rear suspension	WP - Monoshock
Front suspension	WP-USD 48 MA
Trail	63 mm (2.5 inches)
Frame type	Chromium-molybdenum, power-coated
Speed and acceleration
Power/weight ratio	0.3600 HP/kg
Other specs
Maintenance	Find parts, fluids, filters, maintenance tools and service items on eBay
Color options	Orange, Black
Fuel capacity	12.00 litres (3.17 gallons)

Performance Profile & Rider Fit

53.6 hp

Peak Power

4.8s

0-60 mph

Best For

Track70%

City75%

Cornering95%

Daily Riding45%

Touring25%

Passenger20%

Rider Profile

Best For	This is a tall, punchy, top-heavy single that rewards experienced riders comfortable with a lot of low-speed torque and an abrupt power delivery.
Purpose	Built as a supermoto for flicking through tight corners and urban streets with razor-sharp handling rather than for outright speed or distance.
Rider Fit	The very tall seat height and light dry weight favor taller, confident riders who can manage a top-heavy stance at stops.
Character	Raw, single-cylinder character with strong torque pulses and a lively, engaged feel that thrives on rider input.
Not Ideal For	Not a good fit for those wanting plush comfort, pillion-friendly touring, or a relaxed, low-effort ride.

Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.

Rider Fit Visualizer

2004 KTM 640 LC4 SM Supermoto Rider Ergonomics Assessment

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Inseam (optional)

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Feet:

At 910mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with cannot reach comfortably on the 2004 KTM 640 LC4 SM Supermoto, with a relaxed knee angle of around 150 degrees and a forward-leaning riding position.

Data quality: measured. Assumes about 30mm of suspension sag once seated (a typical street-bike rule of thumb - stiffer or softer suspension will vary). This is an approximation from category-typical geometry and generic body proportions, not a measurement of this specific bike or you - sit on it before you buy.

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