What category is the 2009 KTM 690 Duke?

The 2009 KTM 690 Duke has a Category of Naked bike.

What is the engine size of the 2009 KTM 690 Duke?

The 2009 KTM 690 Duke has a Capacity: of 654.00 ccm (39.91 cubic inches).

What type of engine does the 2009 KTM 690 Duke have?

The 2009 KTM 690 Duke has a Engine type of Single cylinder, four-stroke.

What is the engine power of the 2009 KTM 690 Duke?

The 2009 KTM 690 Duke has a Power of 64.36.

What is the torque of the 2009 KTM 690 Duke?

The 2009 KTM 690 Duke has a Torque of 67.00 Nm (6.8 kgf-m or 49.4 ft.lbs) @ 5500.

Is the 2009 KTM 690 Duke air cooled or liquid cooled?

The 2009 KTM 690 Duke has a Cooling system of Liquid.

How many gears does the 2009 KTM 690 Duke have?

The 2009 KTM 690 Duke has a Gearbox of 6-speed.

How much does the 2009 KTM 690 Duke weigh?

The 2009 KTM 690 Duke has a Dry weight of 148.5 kg (327.4 pounds).

What is the seat height of the 2009 KTM 690 Duke?

The 2009 KTM 690 Duke has a Seat height of 865 mm (34.1 inches) If adjustable, lowest setting..

KTM 690 Duke - 2009 Specifications and Reviews

The 2009 KTM 690 Duke is a lightweight naked bike powered by a single-cylinder four-stroke engine delivering 64 horsepower and strong mid-range torque. Designed for agile street riding and urban commuting, it excels with its responsive handling, fuel-efficient performance, and distinctive character. This bike appeals to riders seeking nimble, spirited everyday versatility without unnecessary weight or complexity.

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General information
Category	Naked bike
Year	2009
Model	KTM 690 Duke
Engine and Transmission Specifications
Exhaust system	Stainless steel underfloor silencer with integrated catalytic converter
Clutch	APTC Wet multi-disc clutch, operated hydraulically
Gearbox	6-speed
Cooling system	Liquid
Lubrication system	Pressure lubrication with 2 Eaton pumps
Fuel control	OHC
Fuel system	Injection. Keihin EFI with EPT (Electr. Power Throttle)
Valves per cylinder	4
Bore x stroke	102.0 x 80.0 mm (4.0 x 3.1 inches)
Compression	11.8:1
Torque	67.00 Nm (6.8 kgf-m or 49.4 ft.lbs) @ 5500
Power	64.36
Engine type	Single cylinder, four-stroke
Capacity:	654.00 ccm (39.91 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	160/60-17
Front tyre dimensions	120/70-17
Rear suspension travel	140 mm (5.5 inches)
Rear suspension	WP mono shock with Pro-Lever linkage
Front suspension travel	140 mm (5.5 inches)
Front suspension	WP USD
Frame type	Chromium-Molybdenum trellis frame, powder coated. Aluminium 7020 subframe.
Physical measures and capacities
Fuel capacity	13.50 litres (3.57 gallons)
Wheelbase	1,472 mm (58.0 inches)
Ground clearance	155 mm (6.1 inches)
Seat height	865 mm (34.1 inches) If adjustable, lowest setting.
Power/weight ratio	0.4334 HP/kg
Dry weight	148.5 kg (327.4 pounds)

Other specs
Maintenance	Find parts, fluids, filters, maintenance tools and service items on eBay
Color options	Orange, white, black
Starter	Electric

Performance Profile & Rider Fit

64.4 hp

Peak Power

3.9s

0-60 mph

Best For

Track58%

City80%

Cornering85%

Daily Riding72%

Touring32%

Passenger38%

Rider Profile

Best For	Best for intermediate to experienced riders who enjoy a lively single-cylinder character; the tall seat and punchy delivery reward confident, active riding.
Purpose	A sharp, minimalist streetfighter built for backroad carving, spirited city blasts and quick B-road runs rather than long-haul mileage.
Rider Fit	Very light (148kg dry) with a lofty 865mm seat and upright, roomy naked-bike stance; slim, flickable and easy to muscle for taller riders.
Character	A single-cylinder hooligan: torquey thumper punch, razor-sharp handling and no-nonsense KTM attitude packed into a featherweight trellis chassis.
Not Ideal For	Not for tourers, two-up cruisers, or riders wanting all-day comfort, a low seat, or smooth long-distance highway manners.

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

Rider Fit Visualizer

2009 KTM 690 Duke Rider Ergonomics Assessment

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Inseam (optional)

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Feet:

At 865mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with tip-toe one foot on the 2009 KTM 690 Duke, with a relaxed knee angle of around 135 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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