Motocross Bikes
2025KTM 250 SX-F
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The 2025 KTM 250 SX-F is a lightweight motocross machine designed for intermediate and advanced riders seeking competitive performance. Its potent single-cylinder four-stroke engine delivers responsive power with excellent throttle control, while the agile chassis and proven KTM platform make it ideal for both track racing and technical terrain. Known for sharp handling and reliability, it's the go-to choice for ambitious riders stepping up in competition.
- 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)
What’s new for the 2025 KTM 250 SX-F
vs the 2024| Spec | 2024 | 2025 |
|---|---|---|
| Torque | 26.8 Nm (2.7 kgf-m or 19.8 ft.lbs) @ 9300 RPM | 25.2 Nm (2.6 kgf-m or 18.6 ft.lbs) |
| Front suspension | WP XACT-USD, Ø 48 mm | WP XACT-USD (AER), Ø 48 mm |
| Compression | 14.3:1 | 14.5:1 |
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- Best for
- Built purely as a motocross competition bike for closed circuits and tracks, with sharp handling and high-performance suspension rather than everyday usability.
- Built for
- A lightweight, race-bred single-cylinder machine defined by aggressive acceleration, precise cornering, and razor-sharp responsiveness over rough terrain.
- Not ideal for
- This bike is not suitable for riders wanting a comfortable commuter, a passenger-friendly machine, or a long-distance touring companion.
Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.
Will it fit you?
Worked out in your browser - nothing is sent to usEngine
- Capacity
- 249.9 ccm
- Power
- 43.0 HP (31.6 kW)
- Torque
- 25.2 Nm (2.6 kgf-m)
- 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
- Valves per cylinder
- 4
- Lubrication system
- Forced oil lubrication with 2 Eaton pumps
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
- Front brakes diameter
- 260 mm
- Rear brakes
- Single disc
- Rear brakes diameter
- 220 mm
- 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: .
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 | 2025 | 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 |
Illustrative - generated automatically by diffing the year records already on file, not a manufacturer-published changelog.
Rider Reviews
Common questions
What is the engine size of the KTM 250 SX-F?
The 2025 KTM 250 SX-F has a Capacity of 249.9 ccm (15.25 cubic inches).
What engine power does the KTM 250 SX-F have?
The 2025 KTM 250 SX-F has a Power of 43.0 HP (31.6 kW).
How many gears does the KTM 250 SX-F have?
The 2025 KTM 250 SX-F has a Gearbox of 5-speed.
What is the torque of the KTM 250 SX-F?
The 2025 KTM 250 SX-F has a Torque of 25.2 Nm (2.6 kgf-m or 18.6 ft.lbs).
How much does the KTM 250 SX-F weigh?
The 2025 KTM 250 SX-F has a Dry weight of 101.5 kg (223.8 pounds).
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