Motocross Bikes
2023KTM 450 SX-F Factory
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The 2023 KTM 450 SX-F Factory is a high-performance motocross bike engineered for competitive and experienced riders. Its 449cc four-stroke engine delivers 63 horsepower with responsive handling and advanced suspension geometry. Built for racing environments, it excels in speed, agility, and terrain versatility with premium Brembo braking and precision engineering.
- Capacity
- 449.9 ccm
- Engine
- Single, four-stroke
- Gearbox
- 5-speed
- Dry weight
- 103.5 kg
- Seat height
- 958 mm
- Power
- 63.0 HP (46.0 kW)
What’s new for the 2023 KTM 450 SX-F Factory
vs the 2022| Spec | 2022 | 2023 |
|---|---|---|
| Dry weight | 100.5 kg (221.6 pounds) | 103.5 kg (228.2 pounds) |
| Fuel capacity | 7.00 litres (1.85 US gallons) | 7.20 litres (1.90 US gallons) |
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- This is a purpose-built first motorcycle for young children learning to ride off-road, not a performance or touring machine.
- Built for
- A simple, forgiving automatic-clutch two-stroke minibike meant to teach balance, throttle control, and basic off-road riding skills.
- Not ideal for
- This bike is not suitable for adult riders, highway use, touring, or anyone seeking speed or long-distance comfort.
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
- 63.0 HP (46.0 kW)
- Engine type
- Single, four-stroke
- Power/weight ratio
- 0.6087 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
- 103.5 kg
- Fuel capacity
- 7.20 litres
- Ground clearance
- 343 mm
Chassis & suspension
- Frame
- Central double-cradle-type 25CrMo4 steel
- Front suspension
- WP XACT-USD, 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. Brake calipers on floating bearings
- Front brakes diameter
- 260 mm
- Rear brakes
- Single disc. Brake calipers on floating bearings
Other
- Color options
- Orange/black/red/yellowHITE
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 | 2021 | 2022 | 2023 | 2024 |
|---|---|---|---|---|
| Capacity | 449 cc | 449 cc | 450 cc | 450 cc |
| Dry weight | 101 kg | 101 kg | 104 kg | 103 kg |
| Seat height | 950 mm | 950 mm | 958 mm | 958 mm |
| Fuel capacity | 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?
The 2023 KTM 450 SX-F Factory has a Capacity of 449.9 ccm (27.45 cubic inches).
What engine power does the KTM 450 SX-F Factory have?
The 2023 KTM 450 SX-F Factory has a Power of 63.0 HP (46.0 kW).
How many gears does the KTM 450 SX-F Factory have?
The 2023 KTM 450 SX-F Factory has a Gearbox of 5-speed.
How much does the KTM 450 SX-F Factory weigh?
The 2023 KTM 450 SX-F Factory has a Dry weight of 103.5 kg (228.2 pounds).
Shop this bike
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The 2023 KTM 450 SX-F Factory is a powerhouse of a motocross bike that offers top-of-the-line performance and cutting-edge technology. With its lightweight frame and powerful 450cc engine, this bike is designed for ultimate speed and agility on the track. The Factory edition comes equipped with premium components, including factory wheels, Akrapovic exhaust, and a factory seat, ensuring that riders can experience elite-level performance straight out of the box.
In addition to its impressive performance, the 2023 KTM 450 SX-F Factory also boasts advanced electronic features, such as launch control and traction control, giving riders the ability to fine-tune their bike's performance to suit their riding style and track conditions. Overall, the 2023 KTM 450 SX-F Factory is an exceptional motocross bike that offers top-tier performance and cutting-edge technology, making it a standout choice for serious riders looking to take their racing to the next level.
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