KTM 125 Xc - 2026 Specifications and Reviews

The 2026 KTM 125 XC is a lightweight two-stroke enduro bike designed for young riders and beginners seeking entry-level off-road performance. Powered by a 124.8cc fuel-injected engine producing 15 hp, it delivers agile handling and easy manageability on technical terrain. Known for its reliability and nimble character, the 125 XC excels in tight trails and serves as an ideal stepping stone into competitive enduro riding.

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General information

Color OptionsOrange/black
CategoryEnduro / offroad
ModelKTM 125 XC

Engine and Transmission Specifications

StartingElectric
ClutchMulti-plate clutch, Brembo hydraulics
Final DriveChain (final drive)
Gearbox6-speed
Cooling SystemLiquid
IgnitionVitesco Technologies EMS
InductionInjection. Keihin EFI, throttle body 39 mm
Bore x Stroke54.0 x 54.5 mm (2.1 x 2.1 inches)
Max Power15.0 HP (10.9 kW))
Capacity:124.8 ccm (7.62 cubic inches)

Physical measures and capacities

Fuel Capacity9.00 litres (2.38 US gallons)
Wheelbase1493 mm (58.8 inches)
Ground Clearance359 mm (14.1 inches)
Seat Height954 mm (37.6 inches) If adjustable, lowest setting.
Power/Weight Ratio0.1582 HP/kg
Dry Weight94.8 kg (209.0 pounds)
 
 

KTM 125 Xc dimensions and frame

WheelsSpoked wheels with aluminium rims
Rear BrakesSingle disc
Brake Disc Diameter220 mm (8.7 inches)
Front BrakesSingle disc
Rear Wheel Travel300 mm (11.8 inches)
Rear SuspensionWP XACT Monoshock with linkage
Front Wheel Travel310 mm (12.2 inches)
Front SuspensionWP XACT cartridge 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.
Rake (fork angle)26.1°
Exhaust systemAluminum
Driveline520 X-ring chain
Lubrication systemWet sump
Engine typeSingle cylinder, two-stroke
Model year2025

Performance Profile & Rider Fit

15 hp
Peak Power

Best For

Track20%
City10%
Cornering60%
Daily Riding10%
Touring10%
Passenger5%

Rider Profile

Best ForBest suited to riders who are still building off-road skill, since the light two-stroke power delivery rewards clutch and throttle finesse over brute strength.
PurposeBuilt purely for cross-country enduro riding, tight trails, and technical terrain rather than any road-going use.
Rider FitIts very low dry weight and tall, narrow seat favor riders comfortable standing on pegs and shifting body weight actively, though the low seat height helps shorter riders manage it at a stop.
CharacterA raw, high-revving two-stroke enduro weapon that feels playful, sharp, and eager to be flicked between obstacles.
Not Ideal ForNot for anyone wanting a comfortable commuter, a passenger-friendly bike, or sustained highway and touring capability.

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

Rider Fit Visualizer

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

Feet:

At 954mm, a rider of 68.9" with a 31" (estimated) inseam will reach the ground with cannot reach comfortably on the 2026 KTM 125 Xc, 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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