Naked Motorcycles
2020KTM 390 Duke
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The 2020 KTM 390 Duke is an aggressive naked streetbike designed for new and budget-conscious riders seeking character and performance. Known for its sharp styling, lightweight agility, and accessible price point, it delivers impressive handling and braking despite modest power output. The 390cc single-cylinder engine provides spirited acceleration suitable for city commuting and weekend rides.
- Capacity
- 373.0 ccm
- Engine
- Single, four-stroke
- Gearbox
- 6-speed
- Dry weight
- 139.0 kg
- Seat height
- 830 mm
- Power
- 42.9 HP (32.0 kW) @ 9000 RPM
What’s new for the 2020 KTM 390 Duke
vs the 2019| Spec | 2019 | 2020 |
|---|---|---|
| Torque | — | 37.0 Nm (3.8 kgf-m or 27.3 ft.lbs) |
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- Built primarily as a nimble city and canyon-carving streetfighter rather than a long-distance or off-road machine.
- Built for
- A punchy, single-cylinder naked bike with sharp handling, strong brakes, and an eager, playful attitude that rewards aggressive riding.
- Not ideal for
- Not the right choice for riders seeking a plush, wind-protected long-haul tourer or a capable off-road adventure companion.
Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.
Will it fit you?
Worked out in your browser - nothing is sent to usEngine
- Capacity
- 373.0 ccm
- Power
- 42.9 HP (32.0 kW) @ 9000 RPM
- CO2 Emissions
- 100 CO2 g/km
- EPA Certificate No.
- LKTXC.373BAL-009
- EPA Est. Fuel Consumption
- 4.27 L/100km (55.1 US mpg)
- EPA CO Emissions
- 0.6 CO g/km
- Torque
- 37.0 Nm (3.8 kgf-m)
- Engine type
- Single, four-stroke
- Power/weight ratio
- 0.3086 HP/kg (dry)
- Bore x stroke
- 89.0 x 60.0 mm
- Cooling system
- Liquid
- Fuel system
- Injection
- Starting
- Electric
- Ignition
- Bosch EMS
- Aspiration
- Naturally aspirated
- Valves per cylinder
- 4
- Lubrication system
- Wet sump
Transmission
- Gearbox
- 6-speed
- Transmission type
- Manual
- Final drive
- Chain
- Clutch
- Wet multi-disc clutch / mechanically operated
Dimensions & weight
- Wheelbase
- 1357 mm
- Seat height
- 830 mm
- Dry weight
- 139.0 kg
- Wet weight
- 149.0 kg
- Fuel capacity
- 13.40 litres
- Ground clearance
- 175 mm
- Reserve fuel capacity
- 3.50 litres
Chassis & suspension
- Frame
- Steel trellis frame, powder coated
- Front suspension
- WP upside-down Ø 43 mm
- Rear suspension
- WP monoshock
- Front wheel travel
- 142 mm
- Rear wheel travel
- 150 mm
- Rake (fork angle)
- 24.0°
Brakes & wheels
- Front brakes
- Double disc. ABS. Four-piston radial fixed calliper.
- Front brakes diameter
- 320 mm
- Rear brakes
- Single disc. ABS. Single-piston floating calliper.
- Rear brakes diameter
- 230 mm
- ABS
- Yes
- Front tyre
- 110/90-17
- Rear tyre
- 150/60-17
Other
- Color options
- Black/orange/white
Compiled from manufacturer documentation and user contributions, corrected on an ongoing basis. Spotted something wrong? Tell us.
What changed, year to year
Differences highlighted| Specification | 2013 | 2016 | 2020 | 2023 | 2026 |
|---|---|---|---|---|---|
| Capacity | 375 cc | 373 cc | 373 cc | 373 cc | 399 cc |
| Dry weight | — | 139 kg | 139 kg | 139 kg | 149 kg |
| Seat height | 800 mm | 800 mm | 830 mm | 830 mm | 820 mm |
| Fuel capacity | 11 L | 11 L | 13.4 L | 13.4 L | 13.4 L |
Illustrative - generated automatically by diffing the year records already on file, not a manufacturer-published changelog.
Rider Reviews
Common questions
What is the engine size of the KTM 390 Duke?
The 2020 KTM 390 Duke has a Capacity of 373.0 ccm (22.76 cubic inches).
What engine power does the KTM 390 Duke have?
The 2020 KTM 390 Duke has a Power of 42.9 HP (32.0 kW) @ 9000 RPM.
How many gears does the KTM 390 Duke have?
The 2020 KTM 390 Duke has a Gearbox of 6-speed.
What is the torque of the KTM 390 Duke?
The 2020 KTM 390 Duke has a Torque of 37.0 Nm (3.8 kgf-m or 27.3 ft.lbs).
How much does the KTM 390 Duke weigh?
The 2020 KTM 390 Duke has a Dry weight of 139.0 kg (306.4 pounds).
Shop this bike
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The 2020 KTM 390 Duke is a powerful and agile motorcycle that delivers an exhilarating riding experience. With a 373cc engine, this bike offers plenty of power and torque for thrilling acceleration. The lightweight chassis and agile handling make it perfect for navigating city streets or taking on winding mountain roads. The sleek, modern design and premium components make the 390 Duke a standout in its class.
Overall, the 2020 KTM 390 Duke is a fantastic choice for anyone looking for a high-performance motorcycle that's well-suited for both urban and sport riding. Its combination of power, handling, and style make it a top contender in the middleweight bike category. With its excellent performance and striking design, the 390 Duke is sure to turn heads wherever you ride. If you're in the market for a versatile and exciting motorcycle, the KTM 390 Duke should definitely be on your radar.
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