KTM 125 DUKE 2021
- Produktinfo
- Motor og eksos
- Chassi
- Ergonomi og komfort
- Bodywork og dekaler
- Programvare og elektronikk
- tilbehør
- Tekniske detaljer

THE DUKE ATTITUDE STARTS HERE
The KTM 125 DUKE may be the entry-level bike of the range, but it isn’t here to play games. It’s built with the same attitude as the bigger bikes – and it shows. It’s no holds barred with this urban warrior, complete with an LED headlight and TFT display. This 4-stroke single cylinder has fuel-injection and a 6-speed transmission to deliver class-leading performance with low fuel consumption to keep you riding longer.

Motor og Eksos
The KTM 125 DUKE engine not only delivers arm-wrenching torque and hair-raising acceleration, but also good manners in everyday use, all with outstanding fuel economy. This lightweight, compact engine packs a good punch too, with a respectable 11 kW (15 hp). Thanks to the ingenious intake design and the meticulous fuel injection system, the KTM 125 DUKE is ready and waiting to tear-up the streets and the circuits alike.
Power & Torque
A bike as compact and nimble as this one, deserves to pack a solid punch. With 11 kW (15 hp) it is right at the limit of the A1 driver’s license, making it the sportiest option out there for A1 riders. Thanks to the ingenious intake and exhaust system, the 33 mm throttle body and […]
INJECTION
The intricate engine design, state-of-the-art injection electronics and close-ratio, 6-speed transmission not only help the KTM 125 DUKE to achieve white-knuckle performance, but also extremely low fuel consumption. At the same time, thanks to the regulated catalytic converter, it produces minimal emissions, even when riding at full throttle.
EXHAUST
The KTM 125 DUKE’s lightweight and precision-crafted exhaust system comprises of a side exhaust, link pipe and silencer. The three-chamber silencer has been positioned close to the bike’s overall center of gravity, improving balance and handling, whilst also delivering smooth, instant and beast-like power. Oh, and it looks angry as hell too.
CYLINDER HEAD
Just like the KTM 1290 SUPER DUKE R, the four valves in the cylinder head of the KTM 125 DUKE are actuated by two overhead camshafts and ultra-hard, carbon coated cam followers. The result is an ultra-reliable, long-lasting engine that produces next-level power.
A1 license
The KTM 125 DUKE matches all the A1 driver´s license requirements and thanks to its high power-to-weight ratio, it’s one of the most dynamic options out there for new riders.

Chassi
Thanks to its progressive 150 mm spring, the KTM 125 DUKE will perform in any environment you can throw at it. The preload is adjustable, so you can count on well-balanced suspension whether you’re riding solo or two-up, with or without luggage, on road or on track. The choice is yours.
WHEELS
As light as they are stable, the 17-inch cast alloy racing wheels help you put the power down with confidence, utilizing a 110 mm wide tire at the front and an impressive 150 mm at the rear. Wrapped in premium rubber, the pro-spec tires will keep your KTM 125 DUKE glued to the road. They […]
UPSIDE-DOWN FORK
The KTM 125 DUKE comes as standard with ultra-lightweight, high-performance upside-down WP forks. Using the latest open-cartridge technology, these forks not only perform above expectations when pushed to the limits, but are also nice and easy to maintain. This makes them perfect for all aspects of riding, from relaxed cruising to hammering around on closed […]
SHOCK ABSORBER
Thanks to its progressive 150 mm spring, the KTM 125 DUKE will perform in any environment you can throw at it. The preload is adjustable, so you can count on well-balanced suspension whether you’re riding solo or two-up, with or without luggage, on road or on track. The choice is yours.
FUEL TANK
The shapely 10.5 l fuel tank of the 125 Duke not only provides the rider with perfect knee contact, but also with a range of substantially more than 300 km even when ridden on the edge, thanks to the economic engine.
BRAKES
A high-tech BYBRE braking system works in perfect harmony with the advanced ABS, providing riders with firm, controlled stopping power when they need it most. With a 300 mm brake disc on the front, paired with a 230 mm disc on the rear, the KTM 125 DUKE delivers exceptional pro-level stopping power, and you know […]

Ergonomi og komfort
The KTM 125 DUKE provides you with more than enough freedom of movement to keep you feeling relaxed, whether you’re riding alone or two-up. Feedback from the road is maximized by large contact surfaces keeping you in touch with the bike. Make every turn an attack.

Bodywork og dekaler
Different modes for the various assistance systems can be selected using an illuminated menu switch on the left side of the handlebar. It’s very simple and intuitive: “up” and “down” through the menu selection, select the desired menu item with the right button or go a step back with the left. Job done. Race on
TFT DISPLAY
As an absolute first in its class, the 125 DUKE boasts a glorious TFT display. This multicolor combination of relevant information presents all relevant data in a clear-cut, uncluttered way. As you rev the engine, the display bars change color, either spurring you on or telling you to back off when the engine’s still cold. […]
MENU SWITCH
Different modes for the various assistance systems can be selected using an illuminated menu switch on the left side of the handlebar. It’s very simple and intuitive: «up» and «down» through the menu selection, select the desired menu item with the right button or go a step back with the left. Job done. Race on.
LED HEADLIGHT
Form and function are integrated beautifully in the 125 DUKE. Take the LED headlight for example, a highlight in this bike’s design and a clear referral to the 1290 SUPER DUKE R. It combines optimal illumination of the near field with maximum light output. And the parking light, which consists of 20 LEDs, ensures that […]
Engine
The KTM 125 DUKE engine not only delivers arm-wrenching torque and hair-raising acceleration, but also good manners in everyday use, all with outstanding fuel economy. This lightweight, compact engine packs a good punch too, with a respectable 11 kW (15 hp). Thanks to the ingenious intake design and the meticulous fuel injection system, the KTM […]
DESIGN
At first you notice that LED headlight. That aggressive front. That predatory stance. When you come closer, you feel its steel fuel tank and multiple high-quality cast parts. In the end you realize that the design and production standards of this bike were set sky-high. Just like its big brother, the KTM 1290 SUPER DUKE […]
DASHBOARD
The KTM 125 DUKE has everything that distinguishes a genuine KTM from the high-quality chassis components to the multi-function cockpit, which even keeps you up to date with fuel consumption and remaining range. The extensive KTM PowerParts range gives you the option of adding your own individual style.

Programvare og elektronikk
Dual circuit BOSCH ABS is standard equipment on the KTM 125 DUKE. Use it to your advantage to enhance control and safety.
KTM MY RIDE
A smartphone can be tethered to the bike, giving you full control over incoming calls and an audio player. All the information pops up on the bike´s display as you manage this optional extra with the menu switch, keeping your hands where they belong. On the handlebar.
ABS
Dual circuit BOSCH ABS is standard equipment on the KTM 125 DUKE. Use it to your advantage to enhance control and safety.

Programvare og elektronikk
KTM knows its customers; they are aware that people like to modify, as much as they like to race. This is why the KTM PowerParts range boasts a huge variety of accessories and luggage options across its Street range of sport motorcycles – past and present. All KTM PowerParts are developed alongside their chosen machine, meaning that KTM riders only get parts that perfectly complement their ride and provide the same ‘factory fit’ straight from the dealer.
TECH DETAILS
- Engine
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- Design
- 1-cylinder, 4-stroke engine
- Displacement
- 124.7 cm³
- Bore
- 58 mm
- Stroke
- 47.2 mm
- Power in KW
- 11 kW
- Starter
- Electric starter
- Lubrication
- Wet sump
- Transmission
- 6-speed
- Primary drive
- 22:72
- Secondary gear ratio
- 14:45
- Cooling
- Liquid cooled
- Clutch
- Wet multi-disc clutch, mechanically actuated
- EMS
- Bosch EMS
- CO2 emissions
- 55.2
- Fuel consumption
- 2.42
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- Chassis
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- Frame design
- Steel trellis frame, powder coated
- Front suspension
- WP upside-down Ø 43 mm
- Rear suspension
- WP monoshock
- Suspension travel (front)
- 142 mm
- Suspension travel (rear)
- 150 mm
- Front brake
- Four-piston radial fixed calliper, brake disc
- Rear brake
- Single-piston floating calliper, brake disc
- Front brake disc diameter
- 300 mm
- Rear brake disc diameter
- 230 mm
- ABS
- Bosch 9MB two-channel ABS
- Chain
- X-Ring 5/8 x 1/4″
- Steering head angle
- 65 °
- Wheelbase
- 1357 ± 15.5 mm
- Ground clearance
- 185 mm
- Seat height
- 830 mm
- Tank capacity (approx.)
- 13.4 l
- dry weight
- 137 kg
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