KTM 390 Duke (2015-16)

The KTM 390 Duke is a motorcycle that was produced between 2015 and 2016. It is powered by a four-stroke, single-cylinder engine, which has a capacity of 373.4 cc. The engine features DOHC with finger followers and four valves per cylinder, with a compression ratio of 12.8:1. The motorcycle is cooled by a liquid cooling system and forced oil lubrication with 2 Eaton pumps.

It features a Bosch electronically controlled injection system and contactless, controlled, fully electronic ignition with digital ignition timing adjustment. The motorcycle has a maximum power of 32 kW or 43.5 hp at 9500 rpm and a maximum torque of 35.3 Nm or 3.6 kg-m at 7000 rpm. It has a wet multi-disc clutch with Brembo hydraulics and a five-speed claw shifted transmission with a chain final drive.

The frame of the KTM 390 Duke is made of steel trellis with WP inverted fork 43 mm front suspension, and WP monoshock rear suspension. It also features single 300 mm disc four-piston radial caliper front brakes and single 230 mm disc one piston floating caliper rear brakes. The front tyre is a 110/70-ZR17 M/C 54W TL Metzeler SPORTEC MS and the rear tyre is a 150/70-ZR17 M/C 66W TL Metzeler SPORTEC MS.

The motorcycle has a steering head angle of 65 degrees and a trail of 100 mm or 3.8 in. It has a seat height of 800 mm or 31.4 in, a wheelbase of 1367 mm or 53.8 in, and a ground clearance of 172 mm or 6.8 in. The dry weight of the motorcycle is 139 kg or 306 lbs, with a gross vehicle weight rating of 335 kg or 739 lbs. It has a fuel capacity of 11 L or 2.9 US gal or 2.4 Imp gal, with a fuel reserve of 1.5 L or 1.6 US qt or 1.3 Imp qt.

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Technical specifications:

Make Model: KTM 390 Duke

Year: 2015 – 16

Engine: Four stroke, single cylinder, DOHC with finger followers, 4 valves per cylinder

Capacity: 373.4 cc / 22.7 cu-in

Bore x Stroke: 89 x 60 mm

Compression Ratio: 12.8:1

Cooling System: Liquid Cooled

Lubrication: Forced oil lubrication with 2 Eaton pumps

Induction: Bosch electronically controlled injection

Spark Plug: Bosch VR 5 NE

Ignition: Contactless, controlled, fully electronic ignition system with digital ignition timing adjustment

Starting: Electric

Battery: FTZ-9, 12V 8Ah, maintenance free

Max Power: 32 kW / 43.5 hp @ 9500 rpm

Max Torque: 35.3 Nm / 3.6 kg-m / 26 ft-lb @7000rpm

Clutch: Wet multi-disc clutch, Brembo hydraulics

Transmission: 5 Speed, claw shifted

Final Drive: Chain 5/8 x 1/4″ X Ring

Gear Ratios: 1st 12:32 / 2nd 14:26 / 3rd 19:27 / 4th 21:24 / t5th 23:22 / 6th 25:21

Primary Drive Ratio: 30:80

Final Drive Ratio: 15:45

Frame: Steel trellis

Front Suspension: WP inverted fork 43 mm

Front Wheel Travel: 150 mm / 5.9 in

Rear Suspension: WP monoshock

Rear Wheel Travel: 150 mm / 5.9 in

Front Brakes: Single 300 mm disc, 4 piston radial caliper

Rear Brakes: Single 230 mm disc, 1 piston floating caliper

Front Tyre: 110/70 – ZR17 M/C 54W TL, Metzeler SPORTEC MS

Rear Tyre: 150/70 – ZR17 M/C 66W TL, Metzeler SPORTEC MS

Steering Head Angle: 65 degrees

Trail: 100 mm / 3.8 in

Seat Height: 800 mm / 31.4 in

Wheelbase: 1367 mm / 53.8 in

Ground Clearance: 172 mm / 6.8 in

Dry Weight: 139 kg / 306 lbs

GVWR: 335 kg / 739 lbs

Engine Oil Capacity: 1.6 L / 1.7 US qt / 1.4 Imp qt, SAE 15W/50

Fuel Capacity: 11 L / 2.9 US gal / 2.4 Imp gal

Fuel Reserve: 1.5 L / 1.6 US qt / 1.3 Imp qt