MotoSpecs

2014 KTM 125 Duke Specifications

Sport • Specs last verified 13 July 2026

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2014 KTM 125 Duke Overview

KTM 125 Duke is a sport motorcycle, displacing 124.7 cc. Power comes from a Four stroke, single cylinder, DOHC, 4 Valves engine, a compression ratio of 14.5:1. On the performance side, it delivers 11.3 kW @ 10500 rpm of peak power and 12 Nm @ 8000 rpm of torque. On the road, the 2014 125 Duke tips the scales at 127 kg, carries a 11-litre fuel tank, offers a seat height of 810 mm and spans a 1367 mm wheelbase. That's roughly 75.7 kg lighter than the average sport motorcycle in our database. The full 2014 KTM 125 Duke spec sheet below covers every technical detail, from suspension travel to tyre sizes.

2014 125 Duke - Pros & Cons

Strengths

  • Strong power output: With 11.3 kW @ 10500 rpm and 12 Nm @ 8000 rpm of torque on tap, the 125 Duke is no slouch for its class.
  • Fuel injection: Fuel injection means consistent cold starts and clean throttle response without the fussiness of a carbureted setup.

Considerations

  • Modest fuel capacity: Range between stops is limited by the 11-litre tank - plan fuel stops accordingly on longer routes.
  • Chain final drive upkeep: Budget time for routine chain maintenance - it's cheap to replace but needs consistent attention to avoid premature sprocket wear.

Wear Points & Servicing Notes

Cooling system servicing

125 Duke's Liquid cooled setup is low-maintenance provided the coolant interval is kept - old, acidic coolant is the main cause of long-term corrosion in the water passages.

Fuelling & injector care

The fuel injection on the 125 Duke needs little beyond good fuel and periodic use of an injector-cleaner additive - no jetting or float-bowl maintenance to worry about.

Brake disc and pad wear

Braking up front comes from Single 280 mm disc - solid stopping power, with disc and pad wear best checked on the same schedule as tyre changes.

Suspension condition on used examples

The 125 Duke's suspension runs 38 mm WP upside-down fork at the front. The rear uses WP monoshock. Fork-seal condition and rear linkage play are the two things worth checking before buying used.

Final drive maintenance

The 125 Duke uses chain final drive, which is cheap to replace but needs regular cleaning, lubrication and tension checks to get a full service life out of the sprockets.

Frame & chassis check

Built around a Space frame in chrome -molybdenum steel tubes Subframe: steel, the 125 Duke's chassis is straightforward to inspect: look for corrosion, cracks or repair welds around stress points like the head-stock and swingarm mounts.

Low-speed handling

127 kg keeps the 125 Duke easy to move around in tight spaces, car parks and on the stand alike.

125 Duke - Buying & Maintenance Guide

What to check before buying

Before handing over money for a used 2014 KTM 125 Duke, cover the fundamentals: service book and oil change history, chain and sprocket wear, and any sign of oil weeping around the casings. Cold-starting it yourself tells you a lot - a healthy 125 Duke should catch quickly and settle into a smooth idle.

Oil and filter changes

Nothing protects a 125 Duke's engine like disciplined oil changes - stay on the manufacturer's schedule (roughly every 6,000 km or annually). Match the viscosity grade to what the owner's manual specifies, not what's cheapest.

Fuel system care

Fuel injection on the 125 Duke needs little attention beyond decent fuel and an occasional system-cleaner additive. Anything left standing for three months or more should have its fuel drained and replaced before it varnishes the injectors.

2014 KTM 125 Duke - Frequently Asked Questions

What engine does the 2014 KTM 125 Duke have?
The 2014 KTM 125 Duke uses a Four stroke, single cylinder, DOHC, 4 Valves engine with 124.7 cc of displacement. It is liquid cooled.
How much does the 2014 KTM 125 Duke weigh?
The 2014 KTM 125 Duke weighs 127 kg. This is the manufacturer's dry figure.
How much power does the 2014 KTM 125 Duke make?
The 2014 KTM 125 Duke produces 11.3 kW @ 10500 rpm of power and 12 Nm @ 8000 rpm of torque. These are peak figures.
What is the fuel tank capacity of the 2014 KTM 125 Duke?
The 2014 KTM 125 Duke has a 11-litre fuel tank. At around 5-6 litres per 100 km, that is roughly 183-220 km between stops.
Is the 2014 KTM 125 Duke suitable for shorter riders?
The 2014 KTM 125 Duke has a seat height of 810 mm. This is a moderate seat height that suits a wide range of rider heights.
What brakes does the 2014 KTM 125 Duke have?
The 2014 KTM 125 Duke uses Single 280 mm disc at the front and Single 220 mm disc at the rear.
What tyre sizes does the 2014 KTM 125 Duke use?
The 2014 KTM 125 Duke runs 110/70 -17 front and 150/60 -17 rear tyres. A good selection of sport, touring and all-weather rubber is available in these sizes.
What gearbox does the 2014 KTM 125 Duke have?
The 2014 KTM 125 Duke is fitted with a 6 Speed transmission.

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

11.3 kW / 15 hp @ 10500 rpm

Torque

12 Nm / 1.22 kgf-m / 8.85 ft-lb @ 8000 rpm

Top Speed

Not published by manufacturer

Weight

127 kg / 280 lbs

Fuel Capacity

11 Litres / 2.9 US gal / 2.4 Imp gal

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Full 2014 KTM 125 Duke Specifications

Year 2013 - 14
Make Model KTM 125 Duke
Seat Height 810 mm / 31.8 in
Wheelbase 1367 mm / 53.8 in
Ground Clearance 170 mm / 6.7 in
Dry Weight 127 kg / 280 lbs
Fuel Capacity 11 Litres / 2.9 US gal / 2.4 Imp gal
Max Power 11.3 kW / 15 hp @ 10500 rpm
Max Torque 12 Nm / 1.22 kgf-m / 8.85 ft-lb @ 8000 rpm
Displacement 124.7 cc / 7.6 cu-in
Engine Detail Four stroke, single cylinder, DOHC, 4 Valves
Bore x Stroke 58 x 47 mm
Compression Ratio 14.5:1
Cooling System Liquid cooled
Fuel Induction Electronic fuel injection
Ignition Contactless, controlled, fully electronic ignition system with digital ignition timing adjustment
Lubrication Forced oil lubrication with 1 Eaton pump
Starter Electric
Clutch Multi-disc clutch, operated hydraulically
Final Drive Chain 5/8 x 1/4" X Ring
Transmission / Drive 6 Speed
Frame Type Space frame in chrome -molybdenum steel tubes Subframe: steel
Suspension - Front 38 mm WP upside-down fork
Suspension - Rear WP monoshock.
Steering Head Angle 65°
Wheel Travel - Front 160 mm / 6.2 in
Wheel Travel - Rear 160 mm / 6.2 in
Brakes - Front Single 280 mm disc
Brakes - Rear Single 220 mm disc
Tyres - Front 110/70 -17
Tyres - Rear 150/60 -17

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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