Motocross Bikes
2026KTM 450 SX-F Factory Edition
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The 2026 KTM 450 SX-F Factory Edition is a high-performance motocross bike engineered for competitive and experienced riders. It features a potent 450cc four-stroke engine paired with premium WP suspension and disc brakes, delivering exceptional handling and power delivery on demanding race tracks.
- Capacity
- 449.9 ccm
- Engine
- Single, four-stroke
- Gearbox
- 5-speed
- Dry weight
- 103.1 kg
- Seat height
- 958 mm
- Power
- 56.0 HP (41.2 kW)
What’s new for the 2026 KTM 450 SX-F Factory Edition
vs the 2025| Spec | 2025 | 2026 |
|---|---|---|
| Front suspension | WP-USD, AER 48, Ø 48 mm | WP XACT PRO 7548 |
| Rear suspension | WP shock absorber with linkage | WP XACT PRO 8950 |
| Front brakes | Single disc. Brake calipers on floating bearings | Disc brake |
| Rear brakes | Single disc. Brake calipers on floating bearings | Disc brake |
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- Purpose-built for motocross racing on closed tracks, prioritizing outright performance over versatility.
- Built for
- Razor-sharp, explosive, and race-focused, rewarding aggressive input with elite agility and jump-and-corner precision.
- Not ideal for
- It is not suitable for commuting, touring, passengers, or riders wanting comfort and low-maintenance daily usability.
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
- 449.9 ccm
- Power
- 56.0 HP (41.2 kW)
- Engine type
- Single, four-stroke
- Power/weight ratio
- 0.5432 HP/kg (dry)
- Bore x stroke
- 95.0 x 63.4 mm
- Cooling system
- Liquid
- Fuel system
- Injection
- Starting
- Electric
- Ignition
- Keihin EMS
Transmission
- Gearbox
- 5-speed
- Transmission type
- Manual
- Final drive
- Chain
- Clutch
- Wet, DDS multi-disc clutch, Brembo hydraulics
Dimensions & weight
- Wheelbase
- 1485 mm
- Seat height
- 958 mm
- Dry weight
- 103.1 kg
- Wet weight
- 106.4 kg
- Fuel capacity
- 7.20 litres
- Ground clearance
- 343 mm
Chassis & suspension
- Frame
- Central double-cradle-type 25CrMo4 steel
- Front suspension
- WP XACT PRO 7548
- Rear suspension
- WP XACT PRO 8950
- Front wheel travel
- 300 mm
- Rear wheel travel
- 300 mm
- Rake (fork angle)
- 26.5°
Brakes & wheels
- Front brakes
- Disc brake
- Front brakes diameter
- 260 mm
- Rear brakes
- Disc brake
- Rear brakes diameter
- 220 mm
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 | 2017 | 2019 | 2022 | 2024 | 2026 |
|---|---|---|---|---|---|
| Capacity | 449 cc | 449 cc | 449 cc | 450 cc | 450 cc |
| Dry weight | 100 kg | 100 kg | 100 kg | 103 kg | 103 kg |
| Seat height | 960 mm | 960 mm | 960 mm | 958 mm | 958 mm |
| Fuel capacity | 7 L | 7 L | 7 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 450 SX-F Factory Edition?
The 2026 KTM 450 SX-F Factory Edition has a Capacity of 449.9 ccm (27.45 cubic inches).
What engine power does the KTM 450 SX-F Factory Edition have?
The 2026 KTM 450 SX-F Factory Edition has a Power of 56.0 HP (41.2 kW).
How many gears does the KTM 450 SX-F Factory Edition have?
The 2026 KTM 450 SX-F Factory Edition has a Gearbox of 5-speed.
How much does the KTM 450 SX-F Factory Edition weigh?
The 2026 KTM 450 SX-F Factory Edition has a Dry weight of 103.1 kg (227.3 pounds).
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