Naked Motorcycles
2011KTM 125 Duke
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The 2011 KTM 125 Duke is a lightweight naked bike designed for entry-level riders and commuters seeking an agile, fuel-efficient urban machine. Its liquid-cooled single-cylinder engine delivers 20.6 horsepower with responsive handling, making it ideal for learning fundamental motorcycle skills. Known for its sharp styling and nimble performance, the 125 Duke excels in city riding and tight traffic conditions.
- Capacity
- 125.0 ccm
- Engine
- Single, four-stroke
- Gearbox
- 6-speed
- Dry weight
- 125.0 kg
- Seat height
- 810 mm
- Power
- 20.6 HP (15.2 kW)
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- A nimble entry-level naked built for city commuting, learning throttle and cornering skills, and fun back-road blasts.
- Built for
- A sharp, playful single-cylinder streetfighter that punches above its 15 PS with aggressive KTM styling and eager, flickable handling.
- Not ideal for
- Not for riders wanting highway speed, two-up touring, or off-road duty; the modest 125cc output limits sustained fast cruising.
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
- 125.0 ccm
- Power
- 20.6 HP (15.2 kW)
- Torque
- 12.0 Nm (1.2 kgf-m) @ 8000 RPM
- Engine type
- Single, four-stroke
- Power/weight ratio
- 0.1648 HP/kg (dry)
- Bore x stroke
- 58.0 x 47.2 mm
- Cooling system
- Liquid
- Fuel system
- Injection
- Starting
- Electric
- Ignition
- CDI
- Valves per cylinder
- 4
- Lubrication system
- Wet sump
Transmission
- Gearbox
- 6-speed
- Transmission type
- Manual
- Final drive
- Chain
- Clutch
- Wet, multiple discs, cable operated
Dimensions & weight
- Wheelbase
- 1350 mm
- Seat height
- 810 mm
- Dry weight
- 125.0 kg
- Wet weight
- 128.0 kg
- Fuel capacity
- 11.00 litres
- Ground clearance
- 185 mm
Chassis & suspension
- Frame
- Composite, Trellis
- Front suspension
- Cartrideg fork
- Rear suspension
- Single shock
- Front wheel travel
- 150 mm
- Rear wheel travel
- 150 mm
- Rake (fork angle)
- 25.0°
- Trail
- 100 mm
Brakes & wheels
- Front brakes
- Double disc
- Front brakes diameter
- 280 mm
- Rear brakes
- Single disc
- Rear brakes diameter
- 220 mm
- Front tyre
- 110-17
- Rear tyre
- 150-17
Other
- Color options
- Orange/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 | 2011 | 2015 | 2019 | 2022 | 2026 |
|---|---|---|---|---|---|
| Capacity | 125 cc | 125 cc | 125 cc | 125 cc | 125 cc |
| Dry weight | 125 kg | 127 kg | 128 kg | 128 kg | 128 kg |
| Seat height | 810 mm | 800 mm | 830 mm | 830 mm | 800 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 125 Duke?
The 2011 KTM 125 Duke has a Capacity of 125.0 ccm (7.63 cubic inches).
What engine power does the KTM 125 Duke have?
The 2011 KTM 125 Duke has a Power of 20.6 HP (15.2 kW).
How many gears does the KTM 125 Duke have?
The 2011 KTM 125 Duke has a Gearbox of 6-speed.
What is the torque of the KTM 125 Duke?
The 2011 KTM 125 Duke has a Torque of 12.0 Nm (1.2 kgf-m or 8.9 ft.lbs) @ 8000 RPM.
How much does the KTM 125 Duke weigh?
The 2011 KTM 125 Duke has a Dry weight of 125.0 kg (275.6 pounds).
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