Naked Motorcycles
2021KTM 250 Duke
38 fields on record
The 2021 KTM 250 Duke is a lightweight naked bike for newer riders and city commuters. Its 248.8cc liquid-cooled single makes 29.5 hp and 24 Nm, paired with a five-speed gearbox and chain drive. An 820 mm seat, 165 kg wet weight, ABS and a 13.4-litre tank make it an easy step up from a 125.
- Capacity
- 248.8 ccm
- Engine
- Single, four-stroke
- Gearbox
- 6-speed
- Dry weight
- 146.0 kg
- Seat height
- 820 mm
- Power
- 29.5 HP (21.5 kW)
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- Built primarily as a nimble city and commuter bike that also enjoys a spirited weekend ride through twisty roads.
- Built for
- A sharp, flickable naked bike with sporty WP suspension that rewards eager, playful riding over long-distance cruising.
- Not ideal for
- Not ideal for riders seeking sustained highway touring, heavy off-road use, or two-up comfort over long distances.
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 usRange and running costs
Worked out in your browser - nothing is sent to usBased on the maker's published fuel consumption and tank size. Real-world figures depend on how and where you ride, and the last litres of a tank are reserve. Prices shown greyed are examples - type your own.
Engine
- Capacity
- 248.8 ccm
- Power
- 29.5 HP (21.5 kW)
- CO2 Emissions
- 75 CO2 g/km
- Torque
- 24.0 Nm (2.4 kgf-m) @ 7500 RPM
- Engine type
- Single, four-stroke
- Fuel consumption
- 3.20 litres/100 km (31.3 km/l)
- Power/weight ratio
- 0.2021 HP/kg (dry)
- Bore x stroke
- 72.0 x 61.1 mm
- Cooling system
- Liquid
- Fuel system
- Injection
- Starting
- Kick
- Ignition
- Bosch EMS
- Lubrication system
- Wet sump
Transmission
- Gearbox
- 6-speed
- Transmission type
- Manual
- Final drive
- Chain
- Clutch
- Slipper clutch
Dimensions & weight
- Wheelbase
- 1357 mm
- Seat height
- 820 mm
- Dry weight
- 146.0 kg
- Wet weight
- 165.0 kg
- Fuel capacity
- 13.40 litres
- Ground clearance
- 185 mm
Chassis & suspension
- Frame
- Chrome-molybdenum steel central-tube
- Front suspension
- WP-USD
- Rear suspension
- WP shock absorber with linkage
- Front wheel travel
- 142 mm
- Rear wheel travel
- 150 mm
- Rake (fork angle)
- 26.5°
Brakes & wheels
- Front brakes
- Single disc. Brembo ABS
- Front brakes diameter
- 300 mm
- Rear brakes
- Single disc. ABS
- Rear brakes diameter
- 230 mm
- ABS
- Yes
- Front tyre
- 110/80-17
- Rear tyre
- 150/60-17
Other
- Color options
- Orange/white/black
Specs last verified against published sources: .
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 | 2016 | 2019 | 2021 | 2024 | 2026 |
|---|---|---|---|---|---|
| Capacity | 249 cc | 249 cc | 249 cc | 249 cc | 249 cc |
| Dry weight | 139 kg | 146 kg | 146 kg | 146 kg | 146 kg |
| Seat height | 800 mm | 820 mm | 820 mm | 800 mm | 800 mm |
| Fuel capacity | 11 L | 13.4 L | 13.4 L | 15 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 250 Duke?
The 2021 KTM 250 Duke has a Capacity of 248.8 ccm (15.18 cubic inches).
What engine power does the KTM 250 Duke have?
The 2021 KTM 250 Duke has a Power of 29.5 HP (21.5 kW).
How many gears does the KTM 250 Duke have?
The 2021 KTM 250 Duke has a Gearbox of 6-speed.
What is the torque of the KTM 250 Duke?
The 2021 KTM 250 Duke has a Torque of 24.0 Nm (2.4 kgf-m or 17.7 ft.lbs) @ 7500 RPM.
How much does the KTM 250 Duke weigh?
The 2021 KTM 250 Duke has a Dry weight of 146.0 kg (321.9 pounds).
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