2024–2026 · Enduro · Buyer's Guide
450 EXC-F SIX DAYS (MY2024)
Off-Road Racing, Street Legal
The Machine's Character
The Six Days trim takes KTM's flagship four-stroke enduro and points it at the hardest terrain the brand can find. The 450 cc liquid-cooled single makes 64 hp and 34 lb-ft, running through a six-speed box with a quickshifter for clutchless upshifts, and traction control sits behind the throttle for when grip disappears entirely. A WP XPLOR PDS shock carries the rear, with tool-free clickers at both ends so you can change the bike at the trailhead instead of in the garage. Exclusive graphics, the orange frame and blue anodized parts mark it out. The intent underneath is racing, not decoration.
This one rewards a rider who already knows what they are doing. It stays light in your hands and keeps finding drive in slop and rock without constant clutch work, which is what separates a real enduro bike from a motocrosser with a headlight bolted on. The costs are honest. A 37.9-inch seat leaves shorter riders tiptoeing, the 2.2-gallon tank keeps you on a short leash between fills, and race hardware expects a race maintenance schedule. Buy it if your riding week is technical dirt. Look elsewhere if you want something that sits patiently between easy Sundays.
Hard Numbers
Spec sheets don't ride bikes, but they set the baseline.
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| Power | 64 hp (47 kW) |
|---|---|
| Torque | 34 lb-ft (46 Nm) |
| Displacement | 450 cc |
| Engine | Single-cylinder |
| Cooling | Liquid-cooled |
| Gearbox | 6-speed |
| Final drive | Chain |
| Fork | Upside-down (USD) |
| Front tire | 90/90-21 |
| Rear tire | 140/80-18 |
| Ground clearance | 14.0 in (355 mm) |
| Front travel | 11.8 in (300 mm) |
| Rear travel | 12.2 in (310 mm) |
| Seat height | 37.9 in (963 mm) |
| Dry weight | 245 lb (111 kg) |
| Fuel capacity | 2.2 gal (8.5 L) |
Equipment check
Chassis
- Manually Adjustable Front Suspension Standard
- Manually Adjustable Rear Suspension WP XPLOR PDS Shock Bottoming resistanceTool free setup Standard
Lighting
- LED Headlight Standard
Known issues
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Engine stalling / hesitation
Some owners report intermittent stalling or hesitation during acceleration, potentially linked to fuel delivery or air filter clogs.
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Clutch slippage / shifting woes
Some riders experience clutch slippage or difficulty engaging gears, often due to worn plates or improper adjustment.
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Fuel injection / poor throttle response
Clogged injectors or fuel lines can cause backfiring, hard starting, and erratic idle; cleaning or replacement typically resolves.
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Suspension setup complaints
Out-of-the-box suspension may feel too soft or too stiff for some riders, requiring frequent tuning or aftermarket springs/valving.
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Electrical glitches
Intermittent starting issues or non-responsive starter may stem from a weak battery, corroded connections, or faulty wiring.
The Numbers Compared
Compare the technical specifications of the KTM 450 EXC-F SIX DAYS with other bikes in its class.
Head-to-head: KTM 450 EXC-F SIX DAYS vs. its rivals
Power
Torque
Displacement
Seat height
What's new versus the previous generation
If you're cross-shopping the older generation, here's what changed.
Previous generation · 2023
KTM 450 EXC-F SIX DAYS (MY2023)
The Factory Race Card
Compare to the previous model →Alternatives to the KTM 450 EXC-F SIX DAYS
If this one isn't quite the fit, these are the bikes worth riding back-to-back against it.
Any price note compares both bikes at the same age — the youngest age both have on the used market — against this KTM 450 EXC-F SIX DAYS. “cheaper/pricier” is what that bike costs second-hand, not how worn it is.
Successor · 2024
KTM 450 EXC-F (MY2024)
Full-Race Enduro, Street Legal
Roughly $1,800 pricier used than this bike at 2 yr
Competitor · 2024–2026
Husqvarna FE 450 (MY2024)
Race-Ready Off-Road Weapon
Roughly $3,100 cheaper used than this bike at 2 yr
Same Platform · 2024–2026
KTM 350 EXC-F (MY2024)
Full Attack, Featherweight Package
Roughly $1,800 cheaper used than this bike at 2 yr