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2025 KTM 125 XC

  • Base MSRP:

    8,499.00 USD*

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*Plus freight: $650. Closed-course competition use only.

HERE COMES THE 'BRAAAP!'

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Two years of hard-charging R&D have gone into the making of the 2025 KTM 125 XC. That's right, we meant Racing and Development. A reworked, lighter frame, updated engine mounts, and a new durable chain glide - to name a few - make the 2025 KTM 125 XC the leader in the 2-Stroke GNCC screamer class.

  • PHO_BIKE_90_RE_MY25-KTM-125XC-90-right_#SALL_#AEPI_#V1.png
    PHO_BIKE_90_LI_MY25-KTM-125XC-90-left_#SALL_#AEPI_#V1.png
    PHO_BIKE_90_REVO_MY25-KTM-125XC-90-right-front_#SALL_#AEPI_#V1.png
Two years of hard-charging R&D have gone into the making of the 2025 KTM 125 XC. That's right, we meant Racing and Development. A reworked, lighter frame, updated engine mounts, and a new durable chain glide - to name a few - make the 2025 KTM 125 XC the leader in the 2-Stroke GNCC screamer class.
  1. Before The Flag
  2. Start Strong
  3. Calm Under Fire
  4. Hit The Big Stuff
  5. Maintaining Momentum
Before The Flag

01. Before The Flag

CLICK INTO ACTION
CLICK INTO ACTION

Easy Suspension Adjustment

The 2025 KTM XC and XC-F range took their already awesome suspension package and turned it up to 11. The WP XACT Closed Cartridge spring forks and WP XACT rear shock has been updated, with reworked settings and alterations to improve weight distribution and increase overall response. As always, the suspension boasts an easy tool-free setup at both ends, ensuring you chase down the podium in total control. On the rear, a hand-adjustable dual compression control allows riders to adjust high- and low-speed settings in a matter of seconds. The forks on the front end are also easily adjusted thanks to hand-adjustable clickers on the bottom of the fork shoe and top cap.

BREATHE EASY
BREATHE EASY

AIRBOX

Now a more robust one-piece construction, the airbox on the 2025 KTM XC range features a redesigned air inlet sleeve and snorkel, which prevents deformation and improves airflow. But don't fret, toolless filter access is retained, with an intuitive filter mounting system and protection against dirt intrusion.

Before The Flag
CLICK INTO ACTION
CLICK INTO ACTION

Easy Suspension Adjustment

The 2025 KTM XC and XC-F range took their already awesome suspension package and turned it up to 11. The WP XACT Closed Cartridge spring forks and WP XACT rear shock has been updated, with reworked settings and alterations to improve weight distribution and increase overall response. As always, the suspension boasts an easy tool-free setup at both ends, ensuring you chase down the podium in total control. On the rear, a hand-adjustable dual compression control allows riders to adjust high- and low-speed settings in a matter of seconds. The forks on the front end are also easily adjusted thanks to hand-adjustable clickers on the bottom of the fork shoe and top cap.
CLICK INTO ACTION
Before The Flag
BREATHE EASY
BREATHE EASY

AIRBOX

Now a more robust one-piece construction, the airbox on the 2025 KTM XC range features a redesigned air inlet sleeve and snorkel, which prevents deformation and improves airflow. But don't fret, toolless filter access is retained, with an intuitive filter mounting system and protection against dirt intrusion.
BREATHE EASY
Start Strong

02. Start Strong

UNMATCHED PERFORMANCE
UNMATCHED PERFORMANCE

More Usable Power

Designed to churn out more torque than any 125 cc 2-Stroke on the market, the 2025 KTM 125 XC is set to continue its dominance in its class with unrelenting forward momentum. With an overall engine weight of only 39.37 lb and impressive horsepower figures, this lightweight powerplant retains its typical high-revving character, while laying down the grunt where it matters most.

NO CARBS. MORE MUSCLE
NO CARBS. MORE MUSCLE

Fuel Injection

With Electronic Fuel Injection setting the standard, there's no more jetting setup pre-race, and thanks to the Keihin EFI, the ECU coming from Vitesco and reed valve case design, you can be guaranteed of laying down optimal power at any altitude, all of the time.

TOTAL TRACTION
TOTAL TRACTION

Selectable Maps

Once again slicing into the 125 cc class with the leading edge of technology, the 2025 KTM 125 XC features a map select switch as standard, allowing the racer to switch between 2 perceptible engine maps.
Map 1 provides the ultimate power delivery to dominate hard-pack surfaces, while Map 2 gives you the edge in soft, sandy conditions

MORE BRAAAP!
MORE BRAAAP!

125 Factory Performance Kits

Give your KTM 125 XC a more bite with a 125 Factory Performance Kit. Comprising of upgraded engine parts, an FMF exhaust system, and special engine mapping, it provides an impressive hp increase felt across the rpm range.

Available fall of 2024

Start Strong
UNMATCHED PERFORMANCE
UNMATCHED PERFORMANCE

More Usable Power

Designed to churn out more torque than any 125 cc 2-Stroke on the market, the 2025 KTM 125 XC is set to continue its dominance in its class with unrelenting forward momentum. With an overall engine weight of only 39.37 lb and impressive horsepower figures, this lightweight powerplant retains its typical high-revving character, while laying down the grunt where it matters most.
UNMATCHED PERFORMANCE
Start Strong
NO CARBS. MORE MUSCLE
NO CARBS. MORE MUSCLE

Fuel Injection

With Electronic Fuel Injection setting the standard, there's no more jetting setup pre-race, and thanks to the Keihin EFI, the ECU coming from Vitesco and reed valve case design, you can be guaranteed of laying down optimal power at any altitude, all of the time.
NO CARBS. MORE MUSCLE
Start Strong
TOTAL TRACTION
TOTAL TRACTION

Selectable Maps

Once again slicing into the 125 cc class with the leading edge of technology, the 2025 KTM 125 XC features a map select switch as standard, allowing the racer to switch between 2 perceptible engine maps.
Map 1 provides the ultimate power delivery to dominate hard-pack surfaces, while Map 2 gives you the edge in soft, sandy conditions
TOTAL TRACTION
Start Strong
MORE BRAAAP!
MORE BRAAAP!

125 Factory Performance Kits

Give your KTM 125 XC a more bite with a 125 Factory Performance Kit. Comprising of upgraded engine parts, an FMF exhaust system, and special engine mapping, it provides an impressive hp increase felt across the rpm range.

Available fall of 2024
MORE BRAAAP!
Calm Under Fire

03. Calm Under Fire

CORNER ON RAILS
CORNER ON RAILS

Absolute Control

No matter how gnarly the trail is, you'll stay in control thanks to a rider-focussed frame design that has not only been engineered for longitudinal rigidity, but also positions rotating mass as close as possible to the center of gravity. Thick frame walls also improve reliability, flex characteristics and offer unmatched rider feel. The shock mounting also provides the perfect amount of anti-squat for better traction out of corners, while the footpeg mounting position reduces the risk of hooking up on roots or rocks. Additionally, forged brackets on the lower frame rails allow for easy installation of the skid plate.

Ergonomics

The 2025 KTM XC and XC-F range feature upgraded tank shrouds with bi-compound plastics, which work alongside the specially-developed rider triangle, to provide unmatched knee contact and gripping surfaces - especially when standing on the pegs. While the plastics work to expel mud buildup in wet, muddy conditions, the flat seat profile and high-grip orange seat cover give exceptional rider movement and control. A handy grip pocket under the seat, just above the airbox, makes gripping the bike and lifting it much easier.

UNMATCHED PERFORMANCE
UNMATCHED PERFORMANCE

Go the distance

You call it a fuel tank. We call it a 2.24 gallons (8.5 liters) race bucket. For 2025, the transparent polythene fuel tank has been upgraded with a new fuel tank roll - which not only secures the tank more firmly in place, and allows for easy fuel level monitoring - it also protects the frame from unwanted scrubbing and race rash.

Calm Under Fire
CORNER ON RAILS
CORNER ON RAILS

Absolute Control

No matter how gnarly the trail is, you'll stay in control thanks to a rider-focussed frame design that has not only been engineered for longitudinal rigidity, but also positions rotating mass as close as possible to the center of gravity. Thick frame walls also improve reliability, flex characteristics and offer unmatched rider feel. The shock mounting also provides the perfect amount of anti-squat for better traction out of corners, while the footpeg mounting position reduces the risk of hooking up on roots or rocks. Additionally, forged brackets on the lower frame rails allow for easy installation of the skid plate.
CORNER ON RAILS
Calm Under Fire

Ergonomics

The 2025 KTM XC and XC-F range feature upgraded tank shrouds with bi-compound plastics, which work alongside the specially-developed rider triangle, to provide unmatched knee contact and gripping surfaces - especially when standing on the pegs. While the plastics work to expel mud buildup in wet, muddy conditions, the flat seat profile and high-grip orange seat cover give exceptional rider movement and control. A handy grip pocket under the seat, just above the airbox, makes gripping the bike and lifting it much easier.
Calm Under Fire
UNMATCHED PERFORMANCE
UNMATCHED PERFORMANCE

Go the distance

You call it a fuel tank. We call it a 2.24 gallons (8.5 liters) race bucket. For 2025, the transparent polythene fuel tank has been upgraded with a new fuel tank roll - which not only secures the tank more firmly in place, and allows for easy fuel level monitoring - it also protects the frame from unwanted scrubbing and race rash.
UNMATCHED PERFORMANCE
Hit The Big Stuff

04. Hit The Big Stuff

HARNESSING GRAVITY
HARNESSING GRAVITY

Mass Centralization

The 2025 KTM XC and XC-F range receive some major frame updates directly from Factory Racing efforts. For starters, the frame area around the rear shock mount has been updated, and more streamlined. The front area of the frame is also updated. with a different wall thickness compared to the previous model year, with renewed engine mounts. This adds up to a 300g weight saving, and improved flex for better cornering behavior.

UNFLAPPABLE FRONT END
UNFLAPPABLE FRONT END

WP XACT Fork

Reworked settings find their way into the WP XACT Closed Cartridge spring forks for the 2025 KTM XC and XC-F line-up, to ensure stellar performance alongside the updated frame and rear linkage. While full adjustability and proper READY TO RACE credentials remain.

ALL-OUT TRACTION
ALL-OUT TRACTION

WP XACT Shock

As with the front end, the WP XACT rear shock has also undergone some changes for 2025. Reworked settings to account for the updated frame and rear linkage, changes for stiffness and weight-saving, make the 2025 KTM XC range even more READY TO RACE. This, along with full adjustability, 300 mm of travel, and unmatched out-of-the-box ability, make this the ideal setup for cross-country domination.

Hit The Big Stuff
HARNESSING GRAVITY
HARNESSING GRAVITY

Mass Centralization

The 2025 KTM XC and XC-F range receive some major frame updates directly from Factory Racing efforts. For starters, the frame area around the rear shock mount has been updated, and more streamlined. The front area of the frame is also updated. with a different wall thickness compared to the previous model year, with renewed engine mounts. This adds up to a 300g weight saving, and improved flex for better cornering behavior.
HARNESSING GRAVITY
Hit The Big Stuff
UNFLAPPABLE FRONT END
UNFLAPPABLE FRONT END

WP XACT Fork

Reworked settings find their way into the WP XACT Closed Cartridge spring forks for the 2025 KTM XC and XC-F line-up, to ensure stellar performance alongside the updated frame and rear linkage. While full adjustability and proper READY TO RACE credentials remain.
UNFLAPPABLE FRONT END
Hit The Big Stuff
ALL-OUT TRACTION
ALL-OUT TRACTION

WP XACT Shock

As with the front end, the WP XACT rear shock has also undergone some changes for 2025. Reworked settings to account for the updated frame and rear linkage, changes for stiffness and weight-saving, make the 2025 KTM XC range even more READY TO RACE. This, along with full adjustability, 300 mm of travel, and unmatched out-of-the-box ability, make this the ideal setup for cross-country domination.
ALL-OUT TRACTION
Maintaining Momentum

05. Maintaining Momentum

UNOBTRUSIVE IMPACT
UNOBTRUSIVE IMPACT

Ultimate rigidity

A new chain guide and chain guard result in improved durability and minimize the chances of hooking on external objects. Especially in extremely muddy conditions, while reducing dirt build-up around the swingarm and chain guard. This, together with this new hollow, die-cast aluminum swingarm, means optimal stiffness and reliability at the lowest possible weight. Now that's a Win-Win.

FLAT OUT TO THE FINISH
FLAT OUT TO THE FINISH

Consistency

A 54 mm bore, highly innovative electronic exhaust port management, and a machined finish for accurate port timing means the cylinder on the KTM 125 XC does more than just house the piston. It results in much-improved rideability, engine control, and more adjustability of the engine characteristics, thanks to 2 selectable and distinguished engine maps. Also, it's auto-calibrating, meaning there's no more hassle with wrong power valve adjustments.

Maintaining Momentum
UNOBTRUSIVE IMPACT
UNOBTRUSIVE IMPACT

Ultimate rigidity

A new chain guide and chain guard result in improved durability and minimize the chances of hooking on external objects. Especially in extremely muddy conditions, while reducing dirt build-up around the swingarm and chain guard. This, together with this new hollow, die-cast aluminum swingarm, means optimal stiffness and reliability at the lowest possible weight. Now that's a Win-Win.
UNOBTRUSIVE IMPACT
Maintaining Momentum
FLAT OUT TO THE FINISH
FLAT OUT TO THE FINISH

Consistency

A 54 mm bore, highly innovative electronic exhaust port management, and a machined finish for accurate port timing means the cylinder on the KTM 125 XC does more than just house the piston. It results in much-improved rideability, engine control, and more adjustability of the engine characteristics, thanks to 2 selectable and distinguished engine maps. Also, it's auto-calibrating, meaning there's no more hassle with wrong power valve adjustments.
FLAT OUT TO THE FINISH

Technical Details

Engine

  • Transmission 6-speed
  • Clutch primary drive teeth 73
  • Starter Electric starter
  • Stroke 54.5 mm
  • Bore 54 mm
  • Clutch Wet multi-disc DS clutch, Brembo hydraulics
  • Displacement 124.8 cm³
  • EMS Vitesco Technologies EMS
  • Design 1-cylinder, 2-stroke engine
  • Fuel-mixture generation Keihin EFI, throttle body 39 mm

Chassis

  • Weight (without fuel) 94.8 kg
  • Tank capacity (approx.) 9 l
  • Wheelbase 1493 mm
  • Front brake disc diameter 260 mm
  • Rear brake disc diameter 220 mm
  • Front brake Disc brake
  • Rear brake Disc brake
  • Chain 520 X-Ring
  • Frame design Central double-cradle-type 25CrMo4 steel
  • Front suspension WP XACT cartridge Ø 48 mm
  • Ground clearance 359 mm
  • Handlebar Neken, aluminium Ø 28/22 mm
  • Rear suspension WP XACT Monoshock with linkage
  • Seat height 954 mm
  • Seat height 954 mm
  • Silencer Aluminium
  • Steering head angle 63.9 °
  • Rear subframe design Aluminum-reinforced polyamide
  • Suspension travel (front) 300 mm
  • Suspension travel (rear) 300 mm
  • Wheels Spoked wheels with aluminium rims