Motocross Bikes
2026KTM 350 SX-F
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The 2026 KTM 350 SX-F is a mid-size motocross bike designed for intermediate to advanced riders seeking a versatile machine. Powered by a 349.7cc liquid-cooled four-stroke single with fuel injection, it delivers responsive power and excellent handling characteristics. Known for its lightweight construction and competitive performance, it excels in both recreational and amateur racing environments.
- Capacity
- 349.7 ccm
- Engine
- Single, four-stroke
- Gearbox
- 5-speed
- Dry weight
- 102.4 kg
- Seat height
- 958 mm
- Power
- 50.0 HP (36.8 kW)
What’s new for the 2026 KTM 350 SX-F
vs the 2025| Spec | 2025 | 2026 |
|---|---|---|
| Torque | — | 36.1 Nm (3.7 kgf-m or 26.6 ft.lbs) |
| Compression | 14.0:1 | not listed |
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- Built purely for motocross track and off-road competition, where its light weight and high-strung single-cylinder engine deliver rapid acceleration and razor-sharp handling over jumps and rough terrain.
- Built for
- It rewards an aggressive, committed riding style with explosive throttle response, precise cornering, and confidence-inspiring stability at speed over rough ground.
- Not ideal for
- It is not suited to riders wanting a comfortable commuter, a passenger-friendly bike, or long-distance road touring capability.
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
- 349.7 ccm
- Power
- 50.0 HP (36.8 kW)
- Torque
- 36.1 Nm (3.7 kgf-m)
- Engine type
- Single, four-stroke
- Power/weight ratio
- 0.4883 HP/kg (dry)
- Bore x stroke
- 88.0 x 57.5 mm
- 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
- 102.4 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/black/grey
- 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 | 2011 | 2015 | 2019 | 2023 | 2026 | 2027 |
|---|---|---|---|---|---|---|
| Capacity | 350 cc | 350 cc | 350 cc | 350 cc | 350 cc | 350 cc |
| Dry weight | 104 kg | 105 kg | 100 kg | 100 kg | 102 kg | 102 kg |
| Seat height | 992 mm | 992 mm | 950 mm | 958 mm | 958 mm | 958 mm |
| Fuel capacity | 7.5 L | 7.5 L | 7 L | 7.2 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 350 SX-F?
The 2026 KTM 350 SX-F has a Capacity of 349.7 ccm (21.34 cubic inches).
What engine power does the KTM 350 SX-F have?
The 2026 KTM 350 SX-F has a Power of 50.0 HP (36.8 kW).
How many gears does the KTM 350 SX-F have?
The 2026 KTM 350 SX-F has a Gearbox of 5-speed.
What is the torque of the KTM 350 SX-F?
The 2026 KTM 350 SX-F has a Torque of 36.1 Nm (3.7 kgf-m or 26.6 ft.lbs).
How much does the KTM 350 SX-F weigh?
The 2026 KTM 350 SX-F has a Dry weight of 102.4 kg (225.8 pounds).
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