2026KTM 250 SX-F

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The KTM 250 SX-F is a lightweight motocross machine designed for intermediate to advanced riders seeking competitive performance on the track. Powered by a potent 250cc four-stroke engine with fuel injection, it delivers sharp throttle response and reliable power delivery. The bike is renowned for its agile handling, nimble acceleration, and class-leading competition credentials in the 250F motocross category.

Capacity: 249.9 ccm
Engine: Single, four-stroke
Gearbox: 5-speed
Dry weight: 101.5 kg
Seat height: 958 mm
Power: 43.0 HP (31.6 kW)

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What’s new for the 2026 KTM 250 SX-F

vs the 2025

Spec	2025	2026
Torque	25.2 Nm (2.6 kgf-m or 18.6 ft.lbs)	26.7 Nm (2.7 kgf-m or 19.7 ft.lbs) @ 9300 RPM

Other years 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 2026 2027

How it rides

Editorial estimate from the spec sheet - not lab tested

Off-road & trail98%

Cornering90%

City riding10%

Daily riding10%

Touring10%

Two-up5%

Track85%

Best for: Built purely for motocross competition and off-road riding, excelling on tracks and rough terrain rather than pavement.
Built for: A sharp, aggressive, high-revving single-cylinder bike that rewards precise inputs with explosive acceleration and razor-sharp handling.
Not ideal for: Not suitable for riders wanting a comfortable commuter, a passenger-friendly bike, or anything resembling relaxed street or long-distance touring.

Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.

Will it fit you?

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Your height

Inseam (optional)

Units

At 958mm, a rider of 175cm with a 79cm (estimated) inseam will not reach the ground comfortably on the 2026 KTM 250 SX-F, with a cramped knee angle of around 85 degrees and an upright riding position.

Assumes about 30mm of suspension sag once seated. This is an approximation from category-typical geometry, not a measurement of this bike or of you - sit on one before you buy.

More bikes at over 900 mm — Sky High →

Find bikes that fit your height →

Full specifications

Engine

Capacity: 249.9 ccm
Power: 43.0 HP (31.6 kW)
Torque: 26.7 Nm (2.7 kgf-m) @ 9300 RPM
Engine type: Single, four-stroke
Power/weight ratio: 0.4236 HP/kg (dry)
Bore x stroke: 81.0 x 48.5 mm
Compression: 14.5:1
Cooling system: Liquid
Fuel system: Injection
Starting: Electric
Ignition: Keihin EMS

Transmission

Gearbox: 5-speed
Transmission type: Manual
Final drive: Chain
Clutch: Wet multi-disc clutch, Brembo hydraulics

Dimensions & weight

Wheelbase: 1493 mm
Seat height: 958 mm
Dry weight: 101.5 kg
Fuel capacity: 7.20 litres
Ground clearance: 343 mm

Chassis & suspension

Frame: Central double-cradle-type 25CrMo4 steel. Aluminum-reinforced polyamide subframe.
Front suspension: WP XACT-USD (AER), Ø 48 mm
Rear suspension: WP XACT Monoshock with linkage
Front wheel travel: 310 mm
Rear wheel travel: 300 mm
Rake (fork angle): 26.1°

Brakes & wheels

Front brakes: Single disc
Rear brakes: Single disc
Front tyre: 80/100-21
Rear tyre: 110/90-19

Other

Color options: Orange/white/grey/red/yellow
Comments: Connectivity. Torque is a rear-wheel dyno figure.

Specs last verified against published sources: October 2026.

Compiled from manufacturer documentation and user contributions, corrected on an ongoing basis. Spotted something wrong? Tell us.

What changed, year to year

Differences highlighted

Specification	2006	2011	2017	2022	2026	2027
Capacity	250 cc	249 cc	250 cc	250 cc	250 cc	250 cc
Dry weight	99 kg	100 kg	98 kg	99 kg	102 kg	101 kg
Seat height	925 mm	992 mm	960 mm	950 mm	958 mm	958 mm
Fuel capacity	7 L	7.5 L	7 L	7.5 L	7.2 L	7.2 L