MIDDLE-GROUND MASTERCLASS

2025 KTM 350 SX-F

2025 KTM 350 SX-F

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  • Base MSRP: 11,099.00 USD*

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

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

SHOW MORE
With over a decade of racing - and winning - under its seat, the KTM 350 SX-F has long shed its underdog label and proven itself a worthy adversary. Delivering usable power throughout the rev range, unwavering stability at speed, and true championship-winning credentials, the 2025 KTM 350 SX-F is once again READY TO RACE.

This motorcycle is designed, developed and produced in Austria.
With over a decade of racing - and winning - under its seat, the KTM 350 SX-F has long shed its underdog label and proven itself a worthy adversary. Delivering usable power throughout the rev range, unwavering stability at speed, and true championship-winning credentials, the 2025 KTM 350 SX-F is once again READY TO RACE.

This motorcycle is designed, developed and produced in Austria.
  1. Before The Gate
  2. Start Strong
  3. Calm Under Fire
  4. Hit The Big Stuff
  5. Maintaining Momentum
Before The Gate

01. Before The Gate

Before The Gate
CLICK INTO ACTION
CLICK INTO ACTION

Easy Suspension Adjustment

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 Gate
BREATHE EASY
BREATHE EASY

Airbox

Designed to provide maximum airflow, the air filter box is designed with precisely positioned inlet ducts aimed at preventing air deformation and maintaining filter protection. The Twin Air filter and air filter support design feature a simp ...
BREATHE EASY
Before The Gate
LESS FOCUS ON THE TOOL, MORE FOCUS ON THE TRACK
LESS FOCUS ON THE TOOL, MORE FOCUS ON THE TRACK

Serviceability

The 2025 KTM SX and SX-F range is engineered and designed to provide riders with easy-to-access service parts, as well as suspension adjustability. This allows faster track-side and off-season maintenance, as well as making motocross more ac ...
LESS FOCUS ON THE TOOL, MORE FOCUS ON THE TRACK
Start Strong

02. Start Strong

Start Strong
UNMATCHED PERFORMANCE
UNMATCHED PERFORMANCE

More Usable Power

Perfectly filling the gap with the KTM 250 SX-F and the powerhouse KTM 450 SX-F, the lightweight KTM 350 SX-F powerplant weighs in at only 60.6 lb (27.5 kg). This makes it the ultimate weapon when weighing up power to weight options.
UNMATCHED PERFORMANCE
Start Strong
DROP THE CLUTCH
DROP THE CLUTCH

Launch Control & Quickshifter

Launch control, ENGAGED! Designed for the holeshot, the 2025 KTM SX-F range comes standard with launch control and Quickshifter function, allowing for fast upshifts without using the clutch. Launch control is easily engaged by pressing the t ...
DROP THE CLUTCH
Start Strong
TOTAL TRACTION
TOTAL TRACTION

Selectable Maps + TC

The map select switch on the 2025 KTM SX models features a simpler design, allowing for easier functionality in switching between 2 engine maps. Map 1 provides a more linear power curve. while map 2 punches all-out with aggressive throttle a ...
TOTAL TRACTION
Calm Under Fire

03. Calm Under Fire

Calm Under Fire
SLEEKER FOR YOU TO SCRUB CLEANER
SLEEKER FOR YOU TO SCRUB CLEANER

Absolute Control

Get ready for a full-on berm assault. The 2025 KTM SX and SX-F machines have received major frame updates directly from Factory Racing efforts. For starters, the frame area around the rear shock mount has been updated and made more streamlin ...
SLEEKER FOR YOU TO SCRUB CLEANER
Calm Under Fire
FLUID RIDER MOTION
FLUID RIDER MOTION

Ergonomics

Upgraded tank shrouds using bi-compound plastics channel air towards the radiators more efficiently, while a new fuel tank roll, makes for a tighter, more secure fitment, reducing the chance of frame scrubbing and dramatically improving dura ...
FLUID RIDER MOTION
Calm Under Fire
UNMATCHED PERFORMANCE
UNMATCHED PERFORMANCE

Performance

The 2025 KTM 350 SX-F engine is positioned for optimal mass centralization and an overall lightweight feel, benefiting handling and anti-squat behavior. The silencer offers incredible response in combination with the mapping switch and provi ...
UNMATCHED PERFORMANCE
Hit The Big Stuff

04. Hit The Big Stuff

Hit The Big Stuff

Updated Suspension Settings

For 2025, the KTM SX and SX-F range has given the WP XACT AER fork and WP XACT rear shock an update. This means you'll be lining up at the starting gate with re-tuned settings, reduced weight, improved weight distribution, and an increase in ...
Hit The Big Stuff
UNFLAPPABLE FRONT END
UNFLAPPABLE FRONT END

WP XACT Fork

48mm air type WP XACT front fork with a split damping function provides all the confidence you need to attack the track. Hydrostops in the fork legs improves bottoming-out resistance and account for less rebound when attacking big jumps, bum ...
UNFLAPPABLE FRONT END
Hit The Big Stuff

WP XACT SHOCK

Keeping things in check at the rear, the WP XACT rear shock has also undergone some changes for 2025 using settings directly from the KTM Factory Racing Teams The improved frame and shock geometry mean more ground clearance at the linkage, m ...
Hit The Big Stuff
RACING ON RAILS
RACING ON RAILS

Stability

An upgraded rear brake pedal finds its way onto the 2025 KTM Motocross range, adding additional stiffness, bending resistance and braking feel to the overall package. At the other end, a forged steering head connection and CNC-milled triple ...
RACING ON RAILS
Hit The Big Stuff
HARNESSING GRAVITY
HARNESSING GRAVITY

Mass Centralization

Ready to rip your arms out of the sockets? Together with the benefits of mass centralization and overall reduced weight, the anti-squat behavior of the chassis is significantly improved by changing the backbone of the steel frame concept. In ...
HARNESSING GRAVITY
Hit The Big Stuff

Tires

Getting power hooked into the dirt is a tough job. However, hours of research and testing have led the 2025 KTM Motocross range to the Dunlop GEOMAX MX34. Providing unmatched stability and control at the highest level, these rubber hoops fea ...
Maintaining Momentum

05. Maintaining Momentum

Maintaining Momentum

Connectivity Unit Offroad

Available as a PowerPart on the KTM SX-F range, the Connectivity Unit Offroad - or CUO for short - offers a wide range of functionalities and adjustability options via the KTMconnect app. The CUO gives you a new insight into your riding, all ...
Maintaining Momentum
NOTHING TO HOLD YOU BACK
NOTHING TO HOLD YOU BACK

Ground clearance

No one enjoys a bad hook-up. Good thing, then that the shock absorber geometry on the 2025 KTM 350 SX-F improves ground clearance of the linkage, with the topology-optimized die-cast footpegs being less susceptible to hooking on deep ruts, a ...
NOTHING TO HOLD YOU BACK
Maintaining Momentum
PRECISE, LAP AFTER LAP
PRECISE, LAP AFTER LAP

Consistency

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 rear sprocket.
PRECISE, LAP AFTER LAP
Maintaining Momentum
UNOBTRUSIVE IMPACT
UNOBTRUSIVE IMPACT

Energy absorption

Besides the expertly crafted, hydro-formed, laser-cut, and robot-welded frame being engineered to provide exceptional rider feedback and straight-line stability, it consists of specifically calculated parameters of longitudinal and torsional ...
UNOBTRUSIVE IMPACT

Technical Details

Engine

  • Transmission 5-speed
  • Starter Electric starter
  • Stroke 57.5 mm
  • Bore 88 mm
  • Clutch Wet multi-disc DS clutch, Brembo hydraulics
  • Compression ratio 14.6
  • Displacement 349.7 cm³
  • EMS Keihin EMS
  • Design 1-cylinder, 4-stroke engine
  • Fuel-mixture generation Keihin EFI, throttle body 44 mm

Chassis

  • Weight (without fuel) 101.9 kg
  • Tank capacity (approx.) 7.2 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, Non-sealed
  • Frame design Central double-cradle-type 25CrMo4 steel
  • Front suspension WP XACT-USD (AER), Ø 48 mm
  • Ground clearance 343 mm
  • Handlebar Neken, aluminium Ø 28/22 mm
  • Rear suspension WP XACT Monoshock with linkage
  • Seat height 958 mm
  • Silencer Aluminium
  • Steering head angle 63.9 °
  • Rear subframe design Aluminum-reinforced polyamide
  • Suspension travel (front) 310 mm
  • Suspension travel (rear) 300 mm
  • Wheels Spoked wheels with aluminium rims