MotoSpecs

2024 KTM 125 Duke Specifications

Sport • Specs last verified 13 July 2026

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2024 KTM 125 Duke Overview

The 2024 KTM 125 Duke is a sport motorcycle built around 124.9 cc of displacement. Under the tank sits a Four stroke, single cylinder, DOHC, 4 valves engine. 2024 KTM 125 Duke delivers 11 kW of peak power and 11.5 Nm of torque. From a practical standpoint, the 2024 125 Duke tips the scales at 154 kg and offers a seat height of 800 mm. That's roughly 48.7 kg lighter than the average sport motorcycle in our database. Scroll down for the complete 2024 KTM 125 Duke spec sheet covering every technical detail from suspension travel to tyre sizes.

2024 125 Duke - Pros & Cons

Strengths

  • Strong power output: 2024 KTM 125 Duke makes 11 kW with 11.5 Nm of torque - competitive figures for its class.
  • Fuel injection: The Bosch electronic fuel injection system delivers crisp throttle response and reliable cold starts regardless of altitude or temperature.

Considerations

  • Chain final drive upkeep: Chain final drive needs regular cleaning, lubrication and tension checks to get full life out of the sprockets.

Wear Points & Servicing Notes

Cooling system servicing

The Liquid cooled system on the 125 Duke needs a coolant change roughly every two years (or per the service schedule) - skipping it lets the coolant turn acidic and corrode the aluminium water passages over time.

Fuelling & injector care

Fuelling comes from Bosch electronic fuel injection. Systems like this are largely maintenance-free beyond keeping fuel quality decent and injectors clear - a fuel-system cleaner every service interval is cheap insurance.

Brake disc and pad wear

The Single 320 mm disc, 4 piston radial fixed caliper front brake gives strong, progressive stopping power. Disc thickness and pad depth are worth checking at every tyre change, since worn pads can score the disc surface.

Suspension condition on used examples

Up front, the 125 Duke runs 43 mm WP APEX and WP APEX - Monoshock at the rear. On a used example, check fork seals for weeping oil and test the rear linkage for play - seals are a relatively cheap fix but useful when negotiating price.

Final drive maintenance

Final drive is by chain - expect to clean and lube it every few hundred kilometres and check tension regularly; a neglected chain wears the sprockets faster than the chain itself.

Frame & chassis check

The frame is Steel trellis frame, powder coated - worth a visual check for corrosion or impact damage around the head-stock and swingarm pivot on any used example, since frame damage is far costlier to fix than any service item.

125 Duke - Buying & Maintenance Guide

What to check before buying

When inspecting a used 2024 KTM 125 Duke, start with the basics: check the service book for oil change frequency, inspect the chain and sprockets for wear, and look for oil seepage around the engine casings and rocker covers. A cold start test is invaluable - a well-maintained 125 Duke should fire up cleanly and settle to a smooth idle within a few seconds.

Oil and filter changes

Regular oil changes are the single most important maintenance task on any 125 Duke. Stick to the manufacturer's interval - typically every 6,000 km or once a year, whichever comes first. Always use the correct viscosity grade as specified in the owner's manual.

Fuel system care

The 125 Duke's fuel injection system is durable but benefits from quality fuel and the occasional use of a fuel-system cleaner additive. If the bike has been stored for more than three months, drain and replace the fuel to prevent varnish deposits in the injectors.

2024 KTM 125 Duke - Frequently Asked Questions

What engine does the 2024 KTM 125 Duke have?
The 2024 KTM 125 Duke uses a Four stroke, single cylinder, DOHC, 4 valves engine with 124.9 cc of displacement. It is liquid cooled.
How much does the 2024 KTM 125 Duke weigh?
The 2024 KTM 125 Duke weighs 154 kg. This is the manufacturer's dry figure.
How much power does the 2024 KTM 125 Duke make?
The 2024 KTM 125 Duke produces 11 kW of power and 11.5 Nm of torque. These are peak figures.
Is the 2024 KTM 125 Duke suitable for shorter riders?
The 2024 KTM 125 Duke has a seat height of 800 mm. This is a moderate seat height that suits a wide range of rider heights.
What brakes does the 2024 KTM 125 Duke have?
The 2024 KTM 125 Duke uses Single 320 mm disc, 4 piston radial fixed caliper at the front and Single 240 mm disc, 2 piston floating caliper at the rear.
What gearbox does the 2024 KTM 125 Duke have?
The 2024 KTM 125 Duke is fitted with a 6 Speed transmission.
Does the 2024 KTM 125 Duke have ABS?
The 2024 KTM 125 Duke comes with Cornering ABS ABS.

KTM 125 Duke Spec Evolution

The KTM 125 Duke was produced across 7 model years (2012-2024). The table below highlights the key specifications that changed across the production run - useful whether you are comparing years or tracking down a specific variant.

Specification 2012 2014 2016 2018 2020 2021 2024
Max Power 11.3 kW / 15 hp @ 10500 rpm 11.3 kW / 15 hp @ 10500 rpm 11.3 kW / 15 hp @ 10500 rpm 11.3 kW / 15 hp @ 10500 rpm 11.3 kW / 15 hp @ 10500 rpm 11.3 kW / 15 hp @ 10500 rpm 11 kW / 15 hp
Dry Weight 127 kg / 280 lbs 127 kg / 280 lbs 127 kg / 280 lbs 137 kg / 302 lbs 141.4 kg / 311.7 lbs 139 kg / 306.4 lbs 154 kg / 306.4 lbs
Engine Detail Four stroke, single cylinder, DOHC, 4 Valves Four stroke, single cylinder, DOHC, 4 Valves Four stroke, single cylinder, DOHC, 4 Valves Four stroke, Single cylinder, DOHC, 4 Valve Four stroke, single cylinder, DOHC, 4 valves Four stroke, single cylinder, DOHC, 4 valves Four stroke, single cylinder, DOHC, 4 valves
Seat Height 810 mm / 31.8 in 810 mm / 31.8 in 810 mm / 31.8 in 830 mm / 32.7 in 818 mm / 32.2 in 830 mm / 32.7 in 800 mm / 32.7 in
Fuel Capacity 11 Litres / 2.9 US gal / 2.4 Imp gal 11 Litres / 2.9 US gal / 2.4 Imp gal 11 Litres / 2.9 US gal / 2.4 Imp gal 13.4 Litres / 3.5 US gal / 2.9 Imp gal 11 Litres / 3.0 US gal 13.4 Litres / 3.5 US gal -
Displacement 124.7 cc / 7.6 cu-in 124.7 cc / 7.6 cu-in 124.7 cc / 7.6 cu-in 124.7 cc / 7.6 cu-in 124.7 cc / 7.6 cu-in 124.7 cc / 7.6 cu-in 124.9 cc / 7.6 cu-in
Frame Type Space frame in chrome -molybdenum steel tubes Subframe: steel Space frame in chrome -molybdenum steel tubes Subframe: steel Space frame in chrome -molybdenum steel tubes Subframe: steel Steel trellis frame, powder coated Steel trellis frame, powder coated Steel trellis frame, powder coated Steel trellis frame, powder coated
Brakes - Front Single 280 mm disc Single 280 mm disc Single 280 mm disc Single 300 mm disc, 4 piston radial fixed caliper Single 300 mm disc, 4 piston radial fixed caliper Single 300 mm disc, 4 piston radial fixed caliper Single 320 mm disc, 4 piston radial fixed caliper

Key Specifications

Engine

Four stroke, single cylinder, DOHC, 4 valves

Power

11 kW / 15 hp

Torque

11.5 Nm / 8.85 ft-lb

Top Speed

Not published by manufacturer

Weight

154 kg / 306.4 lbs

Fuel Capacity

Not published by manufacturer

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Full 2024 KTM 125 Duke Specifications

Year 2024
Make Model KTM 125 Duke
Seat Height 800 mm / 32.7 in
Dry Weight 154 kg / 306.4 lbs
Max Power 11 kW / 15 hp
Max Torque 11.5 Nm / 8.85 ft-lb
Displacement 124.9 cc / 7.6 cu-in
Engine Detail Four stroke, single cylinder, DOHC, 4 valves
Bore x Stroke 58 x 47.3 mm
Cooling System Liquid cooled
Emissions EURO5
Engine Management Bosch EMS with RBW
Fuel Induction Bosch electronic fuel injection
Lubrication Wet sump
Starter Electric
Clutch PASC antihopping clutch, mechanically operated
Final Drive Chain 520 X-ring
Transmission / Drive 6 Speed
Frame Type Steel trellis frame, powder coated
Suspension - Front 43 mm WP APEX
Suspension - Rear WP APEX - Monoshock
Wheel Travel - Front 150 mm / 5.9 in
Wheel Travel - Rear 150 mm / 5.9 in
Brakes - Front Single 320 mm disc, 4 piston radial fixed caliper
Brakes - Rear Single 240 mm disc, 2 piston floating caliper
ABS Cornering ABS

Specifications are compiled from manufacturer documentation and cross-referenced technical sources, and corrected on an ongoing basis. Spot an error? Let us know.

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