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2014 KTM 390 Duke Overview
The 2014 KTM 390 Duke is a sport motorcycle built around 373.4 cc of displacement. Under the tank sits a Four stroke, single cylinder, DOHC with finger followers, 4 valves per cylinder engine, a compression ratio of 12.8:1. 2014 KTM 390 Duke delivers 32 kW @ 9500 rpm of peak power and 35.3 Nm of torque. From a practical standpoint, the 2014 390 Duke tips the scales at 139 kg, carries a 11 L fuel tank, offers a seat height of 800 mm and spans a 1367 mm wheelbase. Scroll down for the complete 2014 KTM 390 Duke spec sheet covering every technical detail from suspension travel to tyre sizes.
2014 390 Duke - Pros & Cons
Strengths
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⚡
Strong power output: 2014 KTM 390 Duke makes 32 kW @ 9500 rpm with 35.3 Nm of torque - competitive figures for its class.
Considerations
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⛽
Modest fuel capacity: The 11 L tank means more frequent fuel stops on longer rides, which is worth planning around on touring routes.
Owner Experiences & Common Issues
General ownership notes
The 2014 KTM 390 Duke has built a reputation for solid everyday reliability when serviced to schedule. As with any motorcycle of this era, documented service history is the single biggest indicator of long-term reliability when buying used.
390 Duke - Buying & Maintenance Guide
What to check before buying
When inspecting a used 2014 KTM 390 Duke, start with the basics: check the service book for oil change frequency, inspect the chain and sprockets for wear, and look for oil seepage around the engine casings and rocker covers. A cold start test is invaluable - a well-maintained 390 Duke should fire up cleanly and settle to a smooth idle within a few seconds.
Oil and filter changes
Regular oil changes are the single most important maintenance task on any 390 Duke. Stick to the manufacturer's interval - typically every 6,000 km or once a year, whichever comes first. Always use the correct viscosity grade as specified in the owner's manual.
2014 KTM 390 Duke - Frequently Asked Questions
What engine does the 2014 KTM 390 Duke have?
The 2014 KTM 390 Duke uses a Four stroke, single cylinder, DOHC with finger followers, 4 valves per cylinder engine with 373.4 cc of displacement. It is liquid cooled.
How much does the 2014 KTM 390 Duke weigh?
The 2014 KTM 390 Duke weighs 139 kg. This is the manufacturer's dry figure.
How much power does the 2014 KTM 390 Duke make?
The 2014 KTM 390 Duke produces 32 kW @ 9500 rpm of power and 35.3 Nm of torque. These are peak figures.
What is the fuel tank capacity of the 2014 KTM 390 Duke?
The 2014 KTM 390 Duke has a 11 L fuel tank. At around 5-6 litres per 100 km, that is roughly 183-220 km between stops.
Is the 2014 KTM 390 Duke suitable for shorter riders?
The 2014 KTM 390 Duke has a seat height of 800 mm. This is a moderate seat height that suits a wide range of rider heights.
What brakes does the 2014 KTM 390 Duke have?
The 2014 KTM 390 Duke uses Single 300 mm disc, 4 piston radial caliper at the front and Single 230 mm disc, 1 piston floating caliper at the rear.
What tyre sizes does the 2014 KTM 390 Duke use?
The 2014 KTM 390 Duke runs 110/70 - ZR17 M/C 54W TL, Metzeler SPORTEC MS front and 150/70 - ZR17 M/C 66W TL, Metzeler SPORTEC MS rear tyres. A good selection of sport, touring and all-weather rubber is available in these sizes.
What gearbox does the 2014 KTM 390 Duke have?
The 2014 KTM 390 Duke is fitted with a 6 Speed, claw shifted transmission.
KTM 390 Duke Spec Evolution
The KTM 390 Duke was produced across 6 model years (2014-2024). The table below highlights the key specifications that changed across the production run - useful whether you are comparing years or tracking down a specific variant.
| Specification |
2014 |
2016 |
2018 |
2020 |
2021 |
2024 |
| Max Power |
32 kW / 43.5 hp @ 9500 rpm |
32 kW / 43.5 hp @ 9500 rpm |
43.5 hp / 32 kW @ 9500 rpm |
43.5 hp / 32 kW @ 9500 rpm |
43.5 hp / 32 kW @ 9500 rpm |
33 kW / 44.3 hp @ 8500 rpm |
| Dry Weight |
139 kg / 306 lbs |
139 kg / 306 lbs |
149 kg / 328 lbs |
149 kg / 328 lbs |
149 kg / 328 lbs |
- |
| Engine Detail |
Four stroke, single cylinder, DOHC with finger followers, 4 valves per cylinder |
Four stroke, single cylinder, DOHC with finger followers, 4 valves per cylinder |
Four stroke, single cylinder. DOHC with finger followers, 4 valves |
Four stroke, single cylinder. DOHC with finger followers, 4 valves |
Four stroke, single cylinder, DOHC with finger followers, 4 valves |
Four stroke, single cylinder, DOHC with finger followers, 4 valves |
| Seat Height |
800 mm / 31.4 in |
800 mm / 31.4 in |
830 mm / 32.7 in |
830 mm / 32.7 in |
830 mm / 32.7 in |
- |
| Fuel Capacity |
11 L / 2.9 US gal / 2.4 Imp gal |
11 L / 2.9 US gal / 2.4 Imp gal |
13.4 L / 3.5 US gal / 2.9 Imp gal |
13.4 L / 3.5 US gal / 2.9 Imp gal |
13.4 Litres / 3.5 US gal |
15 L / 4.0 US gal |
| Frame Type |
Steel trellis |
Steel trellis |
Steel trellis frame, powder coated |
Steel trellis frame, powder coated |
Steel trellis frame, powder coated |
Steel trellis frame, powder coated |
| Displacement |
373.4 cc / 22.7 cu-in |
373.4 cc / 22.7 cu-in |
373 cc / 22.7 cu-in |
373 cc / 22.7 cu-in |
373 cc / 22.7 cu-in |
398.7 cc / 24.3 cu-in |
| Wheelbase |
1367 mm / 53.8 in |
1367 mm / 53.8 in |
1357 mm / 53.4 in |
1357 mm / 53.4 in |
1357 mm / 53.4 in |
1357 mm / 53.4 in |
Key Specifications
Engine
Four stroke, single cylinder, DOHC with finger followers, 4 valves per cylinder
Power
32 kW / 43.5 hp @ 9500 rpm
Torque
35.3 Nm / 3.6 kg-m / 26 ft-lb @7000rpm
Fuel Capacity
11 L / 2.9 US gal / 2.4 Imp gal
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Full 2014 KTM 390 Duke Specifications
Year
2013 - 14
Make Model
KTM 390 Duke
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
Fuel Capacity
11 L / 2.9 US gal / 2.4 Imp gal
Maximum Load / GVWR
335 kg / 739 lbs
Oil Capacity
1.6 L / 1.7 US qt / 1.4 Imp qt, SAE 15W/50
Displacement
373.4 cc / 22.7 cu-in
Engine Detail
Four stroke, single cylinder, DOHC with finger followers, 4 valves per cylinder
Bore x Stroke
89 x 60 mm
Compression Ratio
12.8:1
Cooling System
Liquid Cooled
Fuel Induction
Bosch electronically controlled injection
Fuel Reserve
1.5 L / 1.6 US qt / 1.3 Imp qt
Ignition
Contactless, controlled, fully electronic ignition system with digital ignition timing adjustment
Lubrication
Forced oil lubrication with 2 Eaton pumps
Spark Plug
Bosch VR 5 NE
Starter
Electric
Battery Capacity
FTZ-9, 12V 8Ah, maintenance free
Clutch
Wet multi-disc clutch, Brembo hydraulics
Final Drive
Chain 5/8 x 1/4" X Ring
Final Drive Ratio
15:45
Gear Ratios
1st 12:32 / 2nd 14:26 / 3rd 19:27 / 4th 21:24 / t5th 23:22 / 6th 25:21
Primary Drive Ratios
30:80
Transmission / Drive
6 Speed, claw shifted
Frame Type
Steel trellis
Suspension - Front
WP inverted fork ø 43 mm
Suspension - Rear
WP monoshock
Steering Head Angle
65°
Trail
100 mm / 3.8 in
Wheel Travel - Front
150 mm / 5.9 in
Wheel Travel - Rear
150 mm / 5.9 in
Brakes - Front
Single 300 mm disc, 4 piston radial caliper
Brakes - Rear
Single 230 mm disc, 1 piston floating caliper
Tyres - Front
110/70 - ZR17 M/C 54W TL, Metzeler SPORTEC MS
Tyres - Rear
150/70 - ZR17 M/C 66W TL, Metzeler SPORTEC MS
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