KTM 450 EXC-F SIX DAYS (MY2023) — Enduro
KTM Press

2023 · Enduro · Buyer's Guide

450 EXC-F SIX DAYS (MY2023)

The Factory Race Card

The Machine's Character

The Six Days badge is not a sticker package. This is the 450 EXC-F built around KTM's compact liquid-cooled single, 64 hp and 36 lb-ft from 450 cc, wrapped in a lightweight chromoly frame with an orange-painted finish and the ISDE-commemorative graphics that mark the limited run. WP XPLOR 48 fork up front, WP XPLOR PDS Shock out back, both fully adjustable. Traction control and ride modes come standard, which matters more on a 450 enduro than horsepower ever will. Six-speed box, 21-inch front, 18-inch rear. The bolt-on parts push it toward a factory race machine rather than a trail bike.

With 11.8 in (300 mm) of front travel, 12.2 in (310 mm) at the rear and 14.0 in (355 mm) of ground clearance, this thing swallows terrain that stops most bikes cold. Slickrock, sand, rocky step-ups, it keeps drive where you point it. The seat is 37.8 in (960 mm) off the ground, so short riders will be tiptoeing, and the 2.4 gal (9.2 L) tank sets a hard limit on how far you go between fills. That is the honest trade. Buy it because you ride hard technical ground, not because you want a comfortable day out.

Hard Numbers

Spec sheets don't ride bikes, but they set the baseline.

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Key specifications
Power 64 hp (47 kW)
Torque 36 lb-ft (49 Nm)
Displacement 450 cc
Engine Single-cylinder
Cooling Liquid-cooled
Gearbox 6-speed
Final drive Chain
Fork Upside-down (USD)
Front brake 260 mm
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 37.8 in (960 mm)
Fuel capacity 2.4 gal (9.2 L)

Equipment check

Chassis

  • Front Suspension Adjustable WP XPLOR 48 Fork Damping tuning to styleTool free setup Standard
  • Rear Suspension Adjustable WP XPLOR PDS Shock Bottoming resistanceTool free setup Standard

Safety

  • Ride Modes Standard

The Voice of Experience

Portrait of NastyNils

The test ride

You notice the height before anything else. Swing a leg over and you are perched, feet searching, and that never fully goes away at a standstill. Moving, it disappears. The bike feels light under you, narrow between the knees, and the bars fall exactly where your hands want them when you stand up. The single has that hard, dry bark that a good 450 should have, loud enough that you feel it in your chest at low revs and never harsh at the grip. Vibration stays honest through the pegs without buzzing your palms numb. Suspension action is the standout sensation: the fork and shock soak up square-edged hits without kicking back at you, and the whole chassis stays calm when the ground turns ugly. It asks something of you, and it gives back more.

Aerial drone view of Palomar Divide Road winding through chaparral-covered mountain ridges in San Diego County. Multiple S-curve sections descend through sparse vegetation with distant valley views visible in the haze. Gravel and packed-earth surface.

The Expert Benchmark

Where this KTM 450 EXC-F SIX DAYS pulls ahead of — or falls behind — its rivals on the numbers, and the typical bike in its class on character.

What kind of bike this is — character vs. the class

This bike Class average

Head-to-head: KTM 450 EXC-F SIX DAYS vs. its rivals

The 'Should I Buy It?' Score

Forget spec-sheet bragging. Here's who the 450 EXC-F SIX DAYS is actually built for.

Factory Butte in Utah's high desert badlands, captured in daylight under clear blue sky. The formation's distinctive multi-colored strata and steep erosional gullies dominate the frame. Arid terrain with minimal vegetation stretches across the foreground and background. Typical American Southwest landscape.
NastyNils / Nastynils.com

Best motorcycle for Moab?

This is your bike. The suspension and ground clearance handle Moab's ledges and Johnson Valley sand without complaint. Just plan your fuel stops around that small tank.

Made for Bar M / Kane Creek · Imperial Sand Dunes · Johnson Valley OHV Area

Best motocross bike for Loretta Lynns?

It will run your local track happily and take the hits. Understand you are buying an enduro-tuned 450 with longer legs, not a purpose-built motocrosser.

Made for Carnegie State Vehicular Recreation Area · Fox Raceway at Pala · Glen Helen Raceway

Best motorcycle for BDR routes?

It will clear anything a BDR throws at you, but 2.4 gal and that seat height make multi-day logistics real work. Consider it only if the hard sections are the point.

Made for AZBDR — Arizona Backcountry Discovery Route · California BDR South · COBDR — Colorado Backcountry Discovery Route

What's new versus the previous generation

If you're cross-shopping the older generation, here's what changed.

KTM 450 EXC-F SIX DAYS (MY2018)

Previous generation · 2018–2022

KTM 450 EXC-F SIX DAYS (MY2018)

Race-Bred Factory Enduro Spec

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.