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Naked Motorcycles

2013KTM 125 Duke

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The 2013 KTM 125 Duke is an agile naked bike designed for entry-level and young riders seeking a lightweight, manageable motorcycle with sharp handling. Its liquid-cooled single-cylinder engine delivers accessible performance while the compact frame geometry ensures nimble cornering. Best known for combining accessible power with engaging dynamics, it serves as an excellent stepping stone into motorcycle riding.

Capacity
125.0 ccm
Engine
Single, four-stroke
Gearbox
6-speed
Dry weight
125.0 kg
Seat height
810 mm
Power
14.8 HP (10.9 kW)

What’s new for the 2013 KTM 125 Duke

vs the 2012
Spec20122013
Power 15.0 HP (11.0 kW) 14.8 HP (10.9 kW)
Fuel capacity 11.00 litres (2.91 US gallons) 10.50 litres (2.77 US gallons)
Rear suspension WPSuspension4618 EM WP Suspension 4618 EM
Front brakes Double disc. Two-pot brake caliper Single disc. Two-piston calipers.
Rear brakes Single disc. One-pot brake caliper, floating brake discs Single disc. Floating disc. Single-piston caliper.
Other years 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

How it rides

Editorial estimate from the spec sheet - not lab tested
Speed 19Agility 82Comfort 55Off-road 10Touring 30Road manners 80
Off-road & trail10%
Cornering78%
City riding92%
Daily riding85%
Touring28%
Two-up45%
Track35%
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 us
At 810mm, a rider of 68.9" with a 31" (estimated) inseam will reach the ground with both feet flat on the 2013 KTM 125 Duke, with a relaxed knee angle of around 120 degrees and a forward-leaning riding position.

Assumes about 30mm of suspension sag once seated. This is an approximation from category-typical geometry, not a measurement of this bike or of you - sit on one before you buy.

More bikes at 751-820 mm — Middle Ground →

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Full specifications

Engine
Capacity
125.0 ccm
Power
14.8 HP (10.9 kW)
Torque
12.0 Nm (1.2 kgf-m) @ 8000 RPM
Engine type
Single, four-stroke
Power/weight ratio
0.1184 HP/kg (dry)
Bore x stroke
58.0 x 47.2 mm
Cooling system
Liquid
Fuel system
Injection
Starting
Electric
Ignition
Contactless, controlled, fully electronic ignition system with digital ignition timing adjustment, type Kokusan
Valves per cylinder
4
Lubrication system
Forced oil lubrication with 2 Eaton pumps
Transmission
Gearbox
6-speed
Transmission type
Manual
Final drive
Chain
Clutch
Wet multi-disc clutch / hydraulically operated
Dimensions & weight
Wheelbase
1361 mm
Seat height
810 mm
Dry weight
125.0 kg
Wet weight
128.0 kg
Fuel capacity
10.50 litres
Ground clearance
170 mm
Chassis & suspension
Frame
Tubular space frame made from steel tubes, powder-coated
Front suspension
WP Suspension 4357
Rear suspension
WP Suspension 4618 EM
Front wheel travel
150 mm
Rear wheel travel
150 mm
Rake (fork angle)
25.0°
Trail
100 mm
Brakes & wheels
Front brakes
Single disc. Two-piston calipers.
Front brakes diameter
280 mm
Rear brakes
Single disc. Floating disc. Single-piston caliper.
Rear brakes diameter
230 mm
Front tyre
110-17
Rear tyre
150-17
Other
Color options
Black/grey, black/orange

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 201120132015201920222026
Capacity 125 cc 125 cc 125 cc 125 cc 125 cc 125 cc
Dry weight 125 kg 125 kg 127 kg 128 kg 128 kg 128 kg
Seat height 810 mm 810 mm 800 mm 830 mm 830 mm 800 mm
Fuel capacity 11 L 10.5 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.

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Common questions

What is the engine size of the KTM 125 Duke?

The 2013 KTM 125 Duke has a Capacity of 125.0 ccm (7.63 cubic inches).

What engine power does the KTM 125 Duke have?

The 2013 KTM 125 Duke has a Power of 14.8 HP (10.9 kW).

How many gears does the KTM 125 Duke have?

The 2013 KTM 125 Duke has a Gearbox of 6-speed.

What is the torque of the KTM 125 Duke?

The 2013 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 2013 KTM 125 Duke has a Dry weight of 125.0 kg (275.6 pounds).

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