The KTM 690 Duke is a motorcycle with a four-stroke, single-cylinder, SOHC, 4-valve engine and a capacity of 690 cc. It has a bore and stroke of 102 x 84.5 mm, a liquid-cooled cooling system, and a compression ratio of 12.6:1. The exhaust features a stainless steel silencer with a regulated catalytic converter, and a wet sump lubrication system is used with synthetic, 15W-50 engine oil. Induction is provided by Generation Keihin EMS with EPT (Electric Power Throttle), ignition is through Kokusan DC-CDI, and the battery is 12 V / 11.2 Ah. The motorcycle has an electric starting system and a maximum power of 52.2 kW / 70 hp at 7500 rpm, and a maximum torque of 69.8 Nm / 7.1 kgf-m / 51.6 ft-lb at 6550 rpm. The transmission features a 6-speed gearbox with the final drive provided by a chain x-ring. The motorcycle has a chromoly trellis frame, powder-coated, aluminum subframe, with front and rear suspension provided by WP Upside-down forks, 4357 ROMA, and WP monoshock, 4618 with Pro-lever deflector, respectively. Braking is through a single 320 mm floating disc, radially screwed four-piston brake caliper at the front, along with a single 240 mm floating disc, single-piston caliper at the back. The motorcycle runs on cast aluminum wheels, 3.5 x 17″ at the front and 5.5 x 17″ at the rear, with 120/70 – ZR17 M/C 58W TL and 160/60 – ZR17 M/C 69W TL front and rear tires, respectively. It has a ground clearance of 192 mm / 7.6 in and a dry weight of 149.5 kg / 330 lbs. The fuel capacity of the motorcycle is 14 liters / 3.7 US gal / 3.1 Imp gal, and it has a fuel reserve of 3.2 L / 3.4 US qt / 2.8 Imp qt. The motorcycle has an average fuel consumption of 4.2 L/100 km, and can travel at a top speed of 202.9 km/h / 126 mph.


Technical specifications:

Make Model: KTM 690 Duke

Year: 2015

Engine: Four stroke, single cylinder, SOHC, 4 valves

Capacity: 690 cc / 42.1 cu in



Bore x Stroke: 102 x 84.5 mm

Cooling System: Liquid Cooled

Compression Ratio: 12.6:1

Exhaust: Stainless steel silencer with regulated catalytic converter

Lubrication: Wet sump

Engine Oil: Synthetic, 15W-50

Induction: Generation Keihin EMS with EPT (Electric Power Throttle)

Ignition: Kokusan DC-CDI

Spark Plug: NGK LKAR 8BI – 9 (inside plug) NGK LMAR 7A – 9 (outside plug

Battery: 12 V / 11.2 Ah

Starting: Electric

Max Power: 52.2 kW / 70 hp @ 7500 rpm

Max Torque: 69.8 Nm / 7.1 kgf-m / 51.6 ft-lb @ 6550 rpm


Clutch: APTC multi-disc wet clutch, hydraulically operated

Transmission: 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 Ratio: 16:40

Final Drive: Chain X-Ring 5/8 x 5/16″

Frame: Chromoly trellis frame, powder-coated, aluminium sub frame

Front Suspension: WP Upside-down forks, 4357 ROMA

Front Wheel Travel: 135 mm / 5.3 in

Rear Suspension: WP monoshock, 4618 with Pro-lever deflector


Rear Wheel Travel: 135 mm / 5.3 in

Front Brakes: Single 320 mm floating disc, radially screwed four-piston brake caliper

Rear Brakes: Single 240 mm floating disc, single piston caliper

Front Rim: Cast aluminium wheels 3.5 x 17″

Rear Rim: Cast aluminium wheels 5.5 x 17″

Front Tyre: 120/70 – ZR17 M/C 58W TL

Rear Tyre: 160/60 – ZR17 M/C 69W TL

Steering Head Angle: 63.5 degrees

Trail: 115 mm / 4.5 in

Wheel base: 1466 mm / 57.7 in


Ground Clearance: 192 mm / 7.6 in

Seat Height: 835 mm / 32.9 in

Dry Weight: 149.5 kg / 330 in

GVWR: 350 kg / 772 lbs

Engine Oil Capacity: 1.7 L / 1.8 US qt / 1.5 Imp qt

Fuel Capacity: 14 Litres / 3.7 US gal / 3.1 Imp gal

Fuel Reserve: 3.2 L / 3.4 US qt / 2.8 Imp qt

Consumption Average: 4.2 L/100 km / 23.9 km/l / 56.2 US mpg / 67.5 Imp mpg

Standing 1/4 Mile: 12.3 sec

Top Speed: 202.9 km/h / 126 mph

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