Enduro Bikes
2025KTM 450 EXC-F Six Days
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The 2025 KTM 450 EXC-F Six Days is a premium enduro machine designed for experienced off-road riders tackling extreme terrain and multi-day competitions. Its 450cc liquid-cooled four-stroke delivers potent power with precise Keihin fuel injection, while the competition-focused chassis and components provide reliability and control in demanding conditions. Best known for dominating six-day events and challenging backcountry riding.
- Capacity
- 449.9 ccm
- Engine
- Single, four-stroke
- Gearbox
- 6-speed
- Dry weight
- 107.5 kg
- Seat height
- 963 mm
- Power
- 50.0 HP (36.8 kW)
What’s new for the 2025 KTM 450 EXC-F Six Days
vs the 2024| Spec | 2024 | 2025 |
|---|---|---|
| Front suspension | WP XPLOR-USD, Ø 48 mm | WP XACT Closed Cartridge Ø 48 mm |
| Rear suspension | WP Xplor PDS schock absorber | WP XPLOR shock absorber with PDS |
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- Built for serious cross-country and enduro competition, including multi-day events like the Six Days rally it's named after.
- Built for
- A razor-sharp, purpose-built dirt weapon with punchy single-cylinder power, a quickshifter, and traction control for serious off-road performance.
- Not ideal for
- This is not a fit for new riders, commuters, passengers, or anyone wanting road comfort and touring range.
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
- 50.0 HP (36.8 kW)
- Engine type
- Single, four-stroke
- Power/weight ratio
- 0.4651 HP/kg (dry)
- Bore x stroke
- 95.0 x 63.4 mm
- Compression
- 12.7:1
- Cooling system
- Liquid
- Fuel system
- Injection
- Starting
- Electric
- Ignition
- Keihin EMS
- Spark plugs
- NGK LZMAR8BI-10
- Torque
- Not on record - add it
Transmission
- Gearbox
- 6-speed
- Transmission type
- Manual
- Final drive
- Chain
- Clutch
- Wet, DDS multi-disc clutch, Brembo hydraulics
- Chain size
- 520
Dimensions & weight
- Wheelbase
- 1489 mm
- Seat height
- 963 mm
- Dry weight
- 107.5 kg
- Fuel capacity
- 8.50 litres
- Ground clearance
- 347 mm
Chassis & suspension
- Frame
- Central double-cradle-type 25CrMo4 steel. Aluminum-reinforced polyamide subframe.
- Front suspension
- WP XACT Closed Cartridge Ø 48 mm
- Rear suspension
- WP XPLOR shock absorber with PDS
- Front wheel travel
- 300 mm
- Rear wheel travel
- 310 mm
- Rake (fork angle)
- 26.1°
- Fork tube size
- 48 mm
Brakes & wheels
- Front brakes
- Double disc
- Rear brakes
- Single disc. Brembo with single pistons
- Front tyre
- 90/90-21
- Rear tyre
- 140/80-18
- Brake fluid
- DOT 4
- Tire pressure front
- 15 PSI (1 Bar or 100 kPa)
- Tire pressure rear
- 15 PSI (1 Bar or 100 kPa)
Other
- Color options
- Orange/White/Black
- Comments
- Map select switch. Traction control. Quick shifter.
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 | 2020 | 2022 | 2025 | 2027 |
|---|---|---|---|---|---|
| Capacity | 449 cc | 450 cc | 450 cc | 450 cc | 450 cc |
| Dry weight | 107 kg | 106 kg | 106 kg | 108 kg | 108 kg |
| Seat height | 960 mm | 960 mm | 960 mm | 963 mm | 963 mm |
| Fuel capacity | 8.5 L | 9 L | 9.2 L | 8.5 L | 8.5 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 EXC-F Six Days?
The 2025 KTM 450 EXC-F Six Days has a Capacity of 449.9 ccm (27.45 cubic inches).
What engine power does the KTM 450 EXC-F Six Days have?
The 2025 KTM 450 EXC-F Six Days has a Power of 50.0 HP (36.8 kW).
How many gears does the KTM 450 EXC-F Six Days have?
The 2025 KTM 450 EXC-F Six Days has a Gearbox of 6-speed.
How much does the KTM 450 EXC-F Six Days weigh?
The 2025 KTM 450 EXC-F Six Days has a Dry weight of 107.5 kg (237.0 pounds).
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