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Enduro Bikes

2015KTM 125 EXC SixDays

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The 2015 KTM 125 EXC SixDays is a lightweight enduro machine designed for amateur and intermediate off-road riders seeking reliable trail performance. Known for its agile handling, responsive WP suspension with generous travel, and proven durability, it excels in mixed terrain and enduro events. The compact 125cc engine delivers accessible power while the lightweight 94kg chassis ensures maneuverability for riders developing their technical skills.

Capacity
124.8 ccm
Engine
Single, two-stroke
Gearbox
6-speed
Dry weight
94.0 kg
Seat height
960 mm
Power
15.0 HP (11.0 kW)
⇄ Compare with another bike + Add to garage All model years

What’s new for the 2015 KTM 125 EXC SixDays

vs the 2014
Spec20142015
Dry weight 95.0 kg (209.4 pounds) 94.0 kg (207.2 pounds)
Front brakes Single disc Single disc. Brake calipers on floating bearings
Rear brakes Single disc Single disc. Brake calipers on floating bearings
Other years 2009 2010 2011 2012 2013 2014 2015 2016

How it rides

Editorial estimate from the spec sheet - not lab tested
Speed 34Agility 94Comfort 30Off-road 98Touring 20Road manners 25
Off-road & trail98%
Cornering60%
City riding15%
Daily riding10%
Touring15%
Two-up5%
Track20%
Best for
Built purely for serious off-road enduro competition and trail riding, not general road use.
Built for
A featherweight, high-revving two-stroke enduro machine that rewards aggressive, active riding with razor-sharp agility in technical terrain.
Not ideal for
This is not suitable for riders wanting a comfortable commuter, a passenger-friendly bike, or any kind of sustained highway touring.

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 960mm, a rider of 68.9" with a 31" (estimated) inseam will not reach the ground comfortably on the 2015 KTM 125 EXC SixDays, with a cramped knee angle of around 85 degrees and an upright 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 over 900 mm — Sky High →

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Full specifications

Engine
Capacity
124.8 ccm
Power
15.0 HP (11.0 kW)
Engine type
Single, two-stroke
Power/weight ratio
0.1596 HP/kg (dry)
Bore x stroke
54.0 x 54.5 mm
Compression
12.5:1
Cooling system
Liquid
Fuel system
Carburettor
Starting
Kick
Ignition
Contactless, controlled, fully electronic ignition system with digital ignition timing adjustment, type Kokusan
Lubrication system
Forced oil lubrication with 2 Eaton pumps
Torque
Not on record - add it
Transmission
Gearbox
6-speed
Transmission type
Manual
Final drive
Chain
Clutch
Wet multi-disc clutch / hydraulically operated
Dimensions & weight
Wheelbase
1471 mm
Seat height
960 mm
Dry weight
94.0 kg
Fuel capacity
9.50 litres
Ground clearance
355 mm
Chassis & suspension
Frame
Central tube frame made of chrome molybdenum steel tubing
Front suspension
WP Suspension Up Side Down 4860 MXMA PA
Rear suspension
WP Suspension PDS 5018 DCC
Front wheel travel
300 mm
Rear wheel travel
335 mm
Rake (fork angle)
26.5°
Brakes & wheels
Front brakes
Single disc. Brake calipers on floating bearings
Front brakes diameter
260 mm
Rear brakes
Single disc. Brake calipers on floating bearings
Rear brakes diameter
220 mm
Front tyre
90/90-21
Rear tyre
120/90-18
Other
Color options
Orange/white/green

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 200920112013201420152016
Capacity 125 cc 125 cc 125 cc 125 cc 125 cc 125 cc
Dry weight 97 kg 97 kg 95 kg 95 kg 94 kg 94 kg
Seat height 985 mm 985 mm 960 mm 960 mm 960 mm 960 mm
Fuel capacity 9.5 L 9.5 L 9.5 L 9.5 L 9.5 L 9.5 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 EXC SixDays?

The 2015 KTM 125 EXC SixDays has a Capacity of 124.8 ccm (7.62 cubic inches).

What engine power does the KTM 125 EXC SixDays have?

The 2015 KTM 125 EXC SixDays has a Power of 15.0 HP (11.0 kW).

How many gears does the KTM 125 EXC SixDays have?

The 2015 KTM 125 EXC SixDays has a Gearbox of 6-speed.

How much does the KTM 125 EXC SixDays weigh?

The 2015 KTM 125 EXC SixDays has a Dry weight of 94.0 kg (207.2 pounds).

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