KTM 690 Duke (2018)

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The 2018 KTM 690 Duke is a powerful motorcycle with a single cylinder, 4-stroke, SOHC, 4-valve engine that has a capacity of 690cc. It has a compression ratio of 12.7:1 and is liquid-cooled. The bike’s lubrication system has pressure lubrication with two oil pumps while its induction comes from a Keihin EFI throttle body. It uses contactless controlled fully electronic ignition with digital ignition adjustment and has an electric starting system with a CBTX9-BS 12V, 8.6Ah battery. The motorcycle’s maximum power is 54.4 kW / 74 hp @ 8000 rpm, while the maximum torque is 74 Nm / 7.5 kgf-m / 54.6 lb-ft @ 6500 rpm. The 690 Duke has a 6-speed transmission system with a chain final drive and 16:40 sprocket ratio. The frame is made of chrome-moly steel trellis, and its primary drive ratio is 36:79. The 690 Duke has a unique rear suspension system, WP Performance System emulsion with Pro Lever Linkage, and a front suspension system of WP Performance Systems Upside Down 4357. The bike has standard Bosch 9M two-channel ABS, which works with a Brembo braking system with a 320mm front disc and a 240mm rear disc. The 690 Duke weighs 148.5 kg / 327.4 lbs and has a fuel capacity of 14 litres / 3.7 US gal / 3.1 Imp gal.

Technical specifications:

Make Model: KTM 690 Duke

Year: 2018


Engine: Single cylinder, 4-stroke, SOHC, 4-valve
Capacity: 690 cc / 42.1 cu in
Bore x Stroke: 105 x 80 mm
Compression Ratio: 12.7:1
Cooling System: Liquid cooled
Lubrication System: Pressure Lubrication with Two Oil Pumps
Induction: Keihin EFI, Throttle Body 50 mm
Spark Plugs: Inside: NGK LKAR9BI-10 Outside: NGK LMAR7DI-10
Ignition: Contactless controlled fully electronic ignition with digital ignition adjustment
Starting: Electric
Battery: CBTX9-BS 12V, 8.6Ah
Max Power: 54.4 kW / 74 hp @ 8000 rpm
Max Torque: 74 Nm / 7.5 kgf-m / 54.6 lb-ft @ 6500 rpm
Clutch: APTC slipper clutch, hydraulically operated, antihopping
Transmission: 6-Speed

Gear Ratios: 1st 14:35 / 2nd 16:28 / 3rd 21:28 / 4th 21:23 / 5th 23:22 / 6th 23:20
Final Drive: Chain, 16:40
Primary Drive: 36:79
Frame: Chrome-moly steel Trellis frame, aluminum powder coated sub-frame
Front Suspension: WP Performance Systems Upside Down 4357
Front Wheel Travel: 135 mm / 5.3″
Rear Suspension: WP Performance System emulsion with Pro Lever Linkage
Rear Wheel Travel: 135 mm / 5.3″
Front Brakes: Single 320 mm disc, Brembo 4 piston fixed caliper, Bosch 9M two channel ABS
Rear Brakes: Single 240 mm disc, Brembo single piston floating caliper, Bosch 9M two channelABS
Front Wheel: 3.50 x 17″, cast aluminium
Rear Wheel: 5.00 x 17″, cast aluminium
Front Tyre: 120/70 – ZR17 M/C 58W TL
Rear Tyre: 160/60 – ZR17 M/C 69W TL
Rake: 26.5o
Wheelbase: 1466 mm / 57.7″
Ground Clearance: 192 mm / 7.55″
Seat Height: 835 mm / 32.9″
Dry Weight: 148.5 kg / 327.4 lbs
Dry Weight: 148.5 kg / 327.4 lbs

Engine Oil Capacity: 1.7 Litres / 1.8 US qt / 1.5 Imp qt
Fuel Capacity: 14 Litres / 3.7 US gal / 3.1 Imp gal

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