KTM 125 EXC SixDays - 2015 Specifications and Reviews

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.

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General information

CategoryEnduro / offroad
Year2015
ModelKTM 125 EXC SixDays
 
 

Engine and Transmission Specifications

Driveline14:50 (13:50). Primary drive: 23:73.
ClutchWet multi-disc clutch / hydraulically operated
Transmission type,final driveChain
Gearbox6-speed
Cooling systemLiquid
Lubrication systemForced oil lubrication with 2 Eaton pumps
IgnitionContactless, controlled, fully electronic ignition system with digital ignition timing adjustment, type Kokusan
Fuel systemCarburettor
Bore x Stroke54.0 x 54.5 mm (2.1 x 2.1 inches)
Engine detailsReed intake.
Engine typeSingle cylinder, two-stroke
Capacity:124.80 ccm (7.62 cubic inches)

Brakes, suspension, Frame and wheels

Rear brakes diameter220 mm (8.7 inches)
Rear brakesSingle disc. Brake calipers on floating bearings
Front brakes diameter260 mm (10.2 inches)
Front brakesSingle disc. Brake calipers on floating bearings
Rear wheel travel335 mm (13.2 inches)
Rear SuspensionWP  Suspension PDS 5018 DCC
Front wheel travel300 mm (11.8 inches)
Front SuspensionWP  Suspension Up Side Down 4860 MXMA PA
Rake (fork angle)26.5°
Frame typeCentral tube frame made of chrome molybdenum steel tubing
 
 

Physical measures and capacities

Fuel capacity9.50 litres (2.51 gallons)
Wheelbase1,471 mm (57.9 inches)
Ground clearance355 mm (14.0 inches)
Seat height960 mm (37.8 inches) If adjustable, lowest setting.
Dry weight94.0 kg (207.2 pounds)

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
StarterKick
Color optionsOrange/white/green

Performance Profile & Rider Fit

Best For

Track20%
City15%
Cornering60%
Daily Riding10%
Touring15%
Passenger5%

Rider Profile

Best ForThis is a specialist competition enduro bike best suited to intermediate and expert off-road riders comfortable with a peaky two-stroke and no electric start.
PurposeBuilt purely for serious off-road enduro competition and trail riding, not general road use.
Rider FitThe tall 960 mm seat height, kick start, and light 94 kg dry weight demand decent fitness and off-road technique rather than raw strength.
CharacterA featherweight, high-revving two-stroke enduro machine that rewards aggressive, active riding with razor-sharp agility in technical terrain.
Not Ideal ForThis is not suitable for riders wanting a comfortable commuter, a passenger-friendly bike, or any kind of sustained highway touring.

Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.

Rider Fit Visualizer

2015 KTM 125 EXC SixDays Rider Ergonomics Assessment

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Feet:

At 960mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with cannot reach comfortably on the 2015 KTM 125 EXC SixDays, with a cramped knee angle of around 85 degrees and an upright riding position.

Data quality: measured. Assumes about 30mm of suspension sag once seated (a typical street-bike rule of thumb - stiffer or softer suspension will vary). This is an approximation from category-typical geometry and generic body proportions, not a measurement of this specific bike or you - sit on it before you buy.

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