KTM 690 Duke (2011)

The KTM 690 Duke is a thrilling rebirth of the classic single-cylinder motorcycle, now with a wealth of modern refinements. Its 690cc engine is a marvel of efficiency, delivering a smooth and potent ride with a perfect balance of power and handling.

The 690 Duke’s chassis is a masterclass in precision engineering, with a lightweight tubular space frame and a high-quality, die-cast swingarm that provide exceptional stability and control. The WP upside-down forks and pressurised-gas monoshock suspension work in harmony to absorb bumps and deliver razor-sharp precision.

Behind the ideally angled handlebars, riders can feel the freedom and control that the 690 Duke offers. Its low weight, efficient engine management system, and state-of-the-art brakes make it a true curve-bandit, devouring twisties with ease and precision.

And yet, despite its many refinements, the 690 Duke remains true to its elemental roots, delivering an incomparable and unforgettable riding experience that will leave you breathless. The KTM 690 Duke is the ultimate single-cylinder motorcycle for the modern rider.

Key Specifications

Engine Type	Four stroke, single cylinder, SOHC, 4 valves
Engine Capacity	653.7 cc / 39.91 cu in
Max Power	46 kw / 65 hp
Max Torque	65Nm / 6.6 kgf-m / 47.9 ft-lb@6550 rpm
Fuel Tank Capacity	3.6 US gallons / 13.5 L
Seat Height	34 inches / 865 mm

*n/a – information not provided by manufacturer

All Specifications

Make & Model

Model	KTM 690 Duke
Year	2011

Engine

Engine Type	Four stroke, single cylinder, SOHC, 4 valves
Displacement	653.7 cc / 39.91 cu in
Bore x Stroke	102x80mm
Compression Ratio	11.8:1
Max Horsepower	46 kw / 65 hp
Max Torque	65Nm / 6.6 kgf-m / 47.9 ft-lb@6550 rpm
Engine Management System	Generation Keihin EMS with EPT (Electric Power Throttle)
Lubrication System	Wet sump
Cooling System	Liquid Cooled
Exhaust	Stainless steel silencer with regulated catalytic converter

Performance

Top Speed

n/a

*n/a – information not provided by manufacturer

Transmission

Clutch	APTC multi-disc wet clutch, hydraulically operated
Gearbox	6 Speed
Primary Drive Ratio	36:79
Gear Ratios	1st 14:35 / 2nd 16:28 / 3rd 21:28 / 4th 21:23 / 5th 23:22 / 6th 23:20
Final Drive	Chain X-Ring 5/8 x 5/16″

Electrical & Electronics System

Battery	12 V / 11.2 Ah
Starter	Electric

Chassis & Suspension

Frame Type	Chromoly trellis frame, powder-coated, aluminium sub frame
Front Suspension	WPUpside-down forks, 4860 ROMA
Front Suspension Travel	5.5 inches / 140 mm
Rear Suspension	WPmonoshock, 4618 with Pro-lever deflector
Rear Suspension Travel	5.5 inches / 140 mm
Trail	100.7 mm / 3.96 in

Wheels & Brakes

Front Wheel/Rim Size	Cast aluminium wheels 3.5 x 17″
Front Tire Size	120/70 – R17
Rear Wheel/Rim Size	Cast aluminium wheels 5.5 x 17″
Rear Tire Size	160/60 – R17
Front Brakes	Single320 mm floating disc, radially screwed four-piston brake caliper
Rear Brakes	Single240 mm floating disc, single piston caliper

Dimension & Weights

Seat Height	34 inches / 865 mm
Ground Clearance	155 mm / 6.1 in
Fuel Tank Capacity	3.6 US gallons / 13.5 L
Dry Weight	148.5 kg / 327 in

Features

Low weight of less than 150 kg (331 lb.)
Perfect chassis geometry
Centralisation of masses
Playful handling and razor-sharp precision
Low weight contributes to fuel economy
Highly efficient engine management system
Electronic injection
State-of-the-art OHC single-cylinder engine
Lightweight tubular space frame made from chrome-molybdenum steel
Lightweight, high-quality, pin-jointed, die-cast swingarm
Torsional stiffness and excellent tracking stability
WP upside-down forks with 48 mm (1.89 in) upright tube diameter
Adjustable WP upside-down forks
High-speed and low-speed compression adjustment on WP pressurised-gas monoshock
Extremely powerful and easily applied Brembo brakes
Radially-mounted, four-piston, fixed brake caliper
Floating 320 mm (12.6 in) brake disc
State-of-the-art water-cooled single-cylinder engine with 48 kW (64 hp)
Fuel injection
Powerful acceleration from lowest revs
Outstanding free-revving nature
Refined engine running
Series production anti-hopping clutch
Balancer shaft eliminates vibration

*We strive to provide the most comprehensive and accurate specifications possible. However, certain details may not be available if the manufacturer did not disclose them or if the information is no longer publicly accessible. If you find any discrepancy with any data on this site, please feel free to let us know at contact@throttlecraze.com