Naked Motorcycles
2018KTM 390 Duke
41 fields on record
The 2018 KTM 390 Duke is an aggressive, lightweight naked bike ideal for beginner and intermediate riders seeking sharp handling and agile performance. Its 373cc single-cylinder engine delivers punchy acceleration with minimal weight, complemented by premium braking and an LED headlight. Known for accessible performance and street-focused design, this Duke excels in urban riding and weekend thrills.
- 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
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.
- JKTXC.373BAL-011-R01
- EPA Est. Fuel Consumption
- 4.27 L/100km (55.1 US mpg)
- EPA CO Emissions
- 0.6 CO g/km
- 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
- Torque
- Not on record - add it
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
- 185 mm
Chassis & suspension
- Frame
- Steel trellis frame, powder coated
- Front suspension
- WP upside-down Ø 43 mm
- Rear suspension
- WP monoshock
- Front wheel travel
- 150 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
- 300 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, white/black
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 | 2018 | 2020 | 2023 | 2026 |
|---|---|---|---|---|---|---|
| Capacity | 375 cc | 373 cc | 373 cc | 373 cc | 373 cc | 399 cc |
| Dry weight | — | 139 kg | 139 kg | 139 kg | 139 kg | 149 kg |
| Seat height | 800 mm | 800 mm | 830 mm | 830 mm | 830 mm | 820 mm |
| Fuel capacity | 11 L | 11 L | 13.4 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 2018 KTM 390 Duke has a Capacity of 373.0 ccm (22.76 cubic inches).
What engine power does the KTM 390 Duke have?
The 2018 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 2018 KTM 390 Duke has a Gearbox of 6-speed.
How much does the KTM 390 Duke weigh?
The 2018 KTM 390 Duke has a Dry weight of 139.0 kg (306.4 pounds).
Shop this bike
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The 2018 KTM 390 Duke is a stylish and powerful bike that delivers an exhilarating riding experience. With its 373cc engine, lightweight chassis, and agile handling, this motorcycle offers a thrilling performance on the road. The Duke's sharp and modern design, along with its advanced features such as TFT display, LED lights, and slipper clutch, make it a standout in its class. Whether for daily commuting or weekend adventures, the 2018 KTM 390 Duke is a versatile and fun bike that will surely impress any rider.
Overall, the 2018 KTM 390 Duke is a fantastic motorcycle that combines performance, style, and advanced technology. Its impressive power, nimble handling, and modern features make it an excellent choice for riders looking for an exciting and versatile bike. With its sleek design and top-notch engineering, the 2018 KTM 390 Duke is a standout in the small-displacement motorcycle segment.
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