KTM 125 Xc W - 2026 Specifications and Reviews

The 2025 KTM 125 XC-W is a lightweight two-stroke enduro machine designed for young riders and beginners seeking to develop off-road skills. Its nimble 124.8cc reed-valve engine with Keihin EFI delivers responsive power delivery, while the compact steel frame and liquid cooling ensure durability on technical terrain. The bike excels in tight trails and is renowned for its exceptional maneuverability and user-friendly character.

2026
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General information

Color OptionsOrange/white/black
CategoryEnduro / offroad
 
 

Engine and Transmission Specifications

StartingElectric
ClutchWet, DDS multi-disc clutch, Brembo hydraulics
Final DriveChain (final drive)
Gearbox6-speed
Cooling SystemLiquid
InductionInjection. Keihin EFI, throttle body 39 mm
Bore x Stroke54.0 x 54.5 mm (2.1 x 2.1 inches)
Engine DetailsReed intake.
Capacity:124.8 ccm (7.62 cubic inches)
 
 

Physical measures and capacities

Fuel Capacity9.00 litres (2.38 US gallons)
Wheelbase1489 mm (58.6 inches)
Ground Clearance343 mm (13.5 inches)
Seat Height963 mm (37.9 inches) If adjustable, lowest setting.
Dry Weight96.4 kg (212.5 pounds)

KTM 125 Xc W dimensions and frame

WheelsWire spoked
Rear BrakesSingle disc. Brake calipers on floating bearings
Brake Disc Diameter220 mm (8.7 inches)
Front BrakesSingle disc. Brake calipers on floating bearings
Rear Tyre140/80-18
Front Tyre90/90-21
Rear Wheel Travel310 mm (12.2 inches)
Rear SuspensionWP XPLOR shock absorber with PDS
Front Wheel Travel300 mm (11.8 inches)
Front SuspensionWP XACT-USD, Ø 48 mm
FrameCentral double-cradle-type 25CrMo4 steel. Aluminum-reinforced polyamide subframe.

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
Update specsReport missing specs or required updates.
Electrical2 Ah battery.
Rake (fork angle)26.1°
Driveline520 X-ring chain
Engine typeSingle cylinder, two-stroke
Model year2025
Motorcycle nameKTM 125 XC-W

Performance Profile & Rider Fit

Best For

Track15%
City15%
Cornering70%
Daily Riding15%
Touring15%
Passenger5%

Rider Profile

Best ForBest suited to intermediate to expert off-road riders comfortable with a peaky two-stroke powerband and tall, minimal suspension setup.
PurposeBuilt purely for hardcore enduro and technical off-road riding, not for street use or commuting.
Rider FitIts light dry weight and tall seat height favor taller, physically fit riders who can manage aggressive off-road terrain standing up.
CharacterA raw, lightweight two-stroke enduro weapon that rewards aggressive, skillful riding with exceptional agility over rough terrain.
Not Ideal ForNot suitable for new riders, highway travel, passengers, or anyone seeking comfort and low-maintenance daily transportation.

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

Rider Fit Visualizer

2026 KTM 125 Xc W Rider Ergonomics Assessment

Calculated in your browser only - your height/inseam are never sent to our servers.

Feet:

At 963mm, a rider of 68.9" with a 31" (estimated) inseam will reach the ground with cannot reach comfortably on the 2026 KTM 125 Xc W, 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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