What category is the 2007 KTM 640 Duke II?

The 2007 KTM 640 Duke II has a Category of Naked bike.

What is the engine size of the 2007 KTM 640 Duke II?

The 2007 KTM 640 Duke II has a Capacity: of 625.00 ccm (38.14 cubic inches).

What type of engine does the 2007 KTM 640 Duke II have?

The 2007 KTM 640 Duke II has a Engine type of Single cylinder, four-stroke.

What is the engine power of the 2007 KTM 640 Duke II?

The 2007 KTM 640 Duke II has a Power of 53.64.

What is the torque of the 2007 KTM 640 Duke II?

The 2007 KTM 640 Duke II has a Torque of 60.00 Nm (6.1 kgf-m or 44.3 ft.lbs) @ 5500.

Is the 2007 KTM 640 Duke II air cooled or liquid cooled?

The 2007 KTM 640 Duke II has a Cooling system of Liquid.

How many gears does the 2007 KTM 640 Duke II have?

The 2007 KTM 640 Duke II has a Gearbox of 5-speed.

How much does the 2007 KTM 640 Duke II weigh?

The 2007 KTM 640 Duke II has a Dry weight of 152.0 kg (335.1 pounds).

What is the seat height of the 2007 KTM 640 Duke II?

The 2007 KTM 640 Duke II has a Seat height of 900 mm (35.4 inches) If adjustable, lowest setting..

KTM 640 Duke II - 2007 Specifications and Reviews

Name: 2007 KTM 640 Duke II
Brand: KTM

The 2007 KTM 640 Duke II is a lightweight naked bike powered by a punchy 625cc single-cylinder engine delivering 53.6 horsepower and strong midrange torque. Its nimble handling and accessible performance make it ideal for riders seeking thrilling urban riding and spirited back-road adventures. Known for its reliability and characterful engine, the Duke II remains a favorite among enthusiasts valuing fun over raw power.

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2007

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General information
Category	Naked bike
Year	2007
Model	KTM 640 Duke II
Engine and Transmission Specifications
Exhaust system	2 x aluminium
Clutch	Wet multi-disc clutch, operated hydraulically
Transmission type,final drive	Chain
Gearbox	5-speed
Cooling system	Liquid
Lubrication system	Pressure lubrication with 2 oil pumps
Ignition	Kokusan DC-CDI
Fuel control	OHC
Fuel system	Carburettor. Mikuni BST 40
Valves per cylinder	4
Bore x stroke	101.0 x 78.0 mm (4.0 x 3.1 inches)
Compression	11.7:1
Torque	60.00 Nm (6.1 kgf-m or 44.3 ft.lbs) @ 5500
Power	53.64
Engine type	Single cylinder, four-stroke
Capacity:	625.00 ccm (38.14 cubic inches)

Brakes, suspension, Frame and wheels
Rear brakes diameter	220 mm (8.7 inches)
Rear brakes	Single disc
Front brakes diameter	320 mm (12.6 inches)
Front brakes	Single disc
Rear tyre dimensions	160/70-17
Front tyre dimensions	120/70-17
Rear suspension travel	185 mm (7.3 inches)
Rear suspension	WP monoshock
Front suspension travel	115 mm (4.5 inches)
Front suspension	WP USD
Trail	109 mm (4.3 inches)
Rake (fork angle)	26.5°
Frame type	Chromium-molybdenum, powder-coated

Physical measures and capacities
Fuel capacity	11.20 litres (2.96 gallons)
Wheelbase	1,460 mm (57.5 inches)
Ground clearance	280 mm (11.0 inches)
Seat height	900 mm (35.4 inches) If adjustable, lowest setting.
Power/weight ratio	0.3529 HP/kg
Dry weight	152.0 kg (335.1 pounds)
Other specs
Maintenance	Find parts, fluids, filters, maintenance tools and service items on eBay
Starter	Electric & kick

Performance Profile & Rider Fit

53.6 hp

Peak Power

5.8s

0-60 mph

Best For

Track55%

City75%

Cornering85%

Daily Riding55%

Touring30%

Passenger25%

Rider Profile

Best For	Best suited to intermediate to experienced riders who appreciate the punchy, characterful feel of a big single and don't mind its rawness.
Purpose	A lightweight, muscular street naked designed for sharp handling, urban fun, and spirited backroad riding rather than outright speed or distance.
Rider Fit	The tall 900mm seat height and light 152kg dry weight favor taller or more confident riders, though the slim chassis makes it manageable for most.
Character	Gritty, torquey, and mechanical in feel, this bike rewards riders who enjoy an engaging, old-school single-cylinder thumper experience with premium WP suspension.
Not Ideal For	Not a good fit for riders seeking smooth long-distance comfort, pillion-friendly touring capability, or high top-speed thrills.

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

Rider Fit Visualizer

2007 KTM 640 Duke II Rider Ergonomics Assessment

Your height

Inseam (optional)

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Feet:

At 900mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with cannot reach comfortably on the 2007 KTM 640 Duke II, with a relaxed knee angle of around 145 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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