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2023 KTM 450 EXC-F Six Days Dirt Bike Review Specs

Regarding major 4-stroke races, the 2023 KTM 450 EXC-F Six Days Dirt Bike has always been the undisputed champion and one of the Best Dual Sports Motorcycle to Buy. This READY TO RACE endurance weapon is the spearhead of any off-road conflict because of its massive power, unparalleled agility, and truckloads of torque. Its legendary styling, industry-leading suspension, and history of championship victories will all be present in 2023.

2023 KTM 450 EXC-F Six Days Dirt Bike

2023 KTM 450 EXC-F Six Days Dirt Bike – Features and Specs


All 4-stroke KTM, SIX DAYS models, have an easy-access two-piece header pipe that can be dismantled to reach the rear shock. The engine noise is recognizable, and it packs a punch. This aluminum silencer sleeve has a short and compact profile and features the SIX DAYS emblem with pride.


This 449.9 cc fuel-injected SOHC engine is the most potent and sophisticated available, and it manages to pack a huge punch into a tiny package. With a weight of only 29.2 kilograms, it is one of the lightest 450 cc mills available, and its class-leading power output is accessible over the entire rpm range.

2023 KTM 450 EXC-F Six Days Dirt Bike

Cylinder head

The 2023 KTM 450 EXC-F Six Days Dirt Bike engine’s tiny SOHC cylinder head ensures that the engine’s mass is evenly distributed. Superior performance and energy efficiency are guaranteed by the design of the head. A single overhead camshaft further assures optimal gas flow, and low-friction rocker arms and timing chain guides guarantee constant performance throughout the rpm range.


The 2023 KTM 450 EXC-F Six Days Dirt Bike has a robust PANKL Racing Systems 6-speed gearbox. The gears’ construction from a strong, forged raw material guarantees an exceptionally long lifespan and dependable performance. Each gear on a four-stroke engine may have its unique engine characteristics thanks to the gear sensor.

Also Read: Top Ten Best KTM Bikes in 2023

Cylinder and piston

König created a lightweight box-in-box piston that fits within the small 95 mm bore cylinder. It plays a vital role in the engine’s speed, minimal vibrations, and excellent performance, especially when combined with the exceptionally sturdy yet lightweight piston pin. A 12.75:1 compression ratio lessens the likelihood of engine knocking and delivers outstanding performance. The very top of the piston has also been fine-tuned to burn gasoline with maximum efficiency.

2023 KTM 450 EXC-F Six Days Dirt Bike


Two radiators near the vehicle’s center of gravity ensure the engine remains calm even when conditions become challenging. These use computational fluid dynamics (CFD) technology and intelligent routing of the coolant circuit to achieve the best possible engine temperature for maximum performance under all circumstances. Most importantly, all 4-stroke versions come equipped with radiator fans, and the delta distributor is built into the frame triangle. It has a big center tube for optimal coolant flow.


One of the first schools of hard knocks was endure. This is why all 2023 KTM 450 EXC-F Six Days Dirt Bike come standard with factory protection—designed to provide maximum coverage while keeping the bike as light as possible. They are precision-molded from high-strength plastic utilizing cutting-edge two-component injection molding technology and attach straight to the frame.


Optimal stiffness, lightweight, race-derived geometry, and unrivaled rider input characterize all 2023 KTM 450 EXC-F Six Days Dirt Bike models’ frames. This results in a lively personality when handled, exceptional stability while going fast, and a noticeable FACTORY RACING aesthetic due to the bright orange finish. With a weight of fewer than 900 grams, the subframe’s ultra-stable aluminum profiles provide stability and longevity to the rear fender, even in the case of a loop out.

A swing arm

The 2023 KTM 450 EXC-F Six Days Dirt Bike has a gravity die-cast aluminum swingarm made of a single piece. Because of this, it has ideal flex behavior and is very strong while relatively lightweight.

2023 KTM 450 EXC-F Six Days Dirt Bike


All variants of the KTM SIX DAYS include premium GIANT wheels and lightweight, CNC-machined hubs. These provide the lightest possible weight with the most stable ride, and the revolutionary design of the aluminum spoke nipples makes it unnecessary to tighten the spokes all the time. In addition, the distinctive SIX DAYS marking makes them seem the part.


A pair of tires called Metzeler 6 DAYS EXTREME puts the power down. These have self-cleaning knobblies that give traction all the time and excellent grip on any surface.


With an emphasis on offering riders of all skill levels unparalleled performance and consistency across all terrain types, the 2023 KTM EXC SIX DAYS models are equipped with top-tier WP suspension systems.

Front Suspension

With its adjustable 48 mm diameter WP XPLOR upside-down forks, the leading endure suspension system offers unrivaled performance for riders of all skill levels. The left fork allows you to adjust the compression damping, while the right fork is used for rebound.

2023 KTM 450 EXC-F Six Days Dirt Bike

Rear Suspension

Reduced suspension fade, and wear is achieved by means of the conical bushings that sit between the pistons of the race-proven and completely adjustable WP XPLOR shock absorber. When it comes to maximizing rear tire traction, this PDS rear suspension design is not only the go-to for champions in their pursuit of podium finishes, but it also sets the standard.

Triple clamp

Premium triple clamps that have been CNC machined and anodized orange are standard on 2023 KTM 450 EXC-F Six Days Dirt Bike. With an offset of 22 mm, they provide a secure hold on the fork and accurate input via the handlebars. You may find your perfect “attack” posture thanks to the bars’ adjustable forward and backward motion across four settings.


Stopping when needed is a breeze with the help of lightweight wave braking discs and high-tech Brembo brake calipers. Brake fade is reduced, and stronger braking is often possible because of a floating front disc and a solid rear disc. A safety wire secures the rear brake pedal for further robustness and durability.

Fuel tank

Lightweight polyethylene tanks are standard on all KTM enduro models. The filler cap is designed with a ½-turn bayonet type, allowing for simple and rapid operation. The integrated fuel pump guarantees a straight supply to the injectors, and a 90° connection protects against damage. Riders can quickly and conveniently monitor their gasoline levels on the go since the tank is made of see-through plastic.


The 2023 KTM 450 EXC-F Six Days Dirt Bike’s air box is simple to access, and the intake snorkels are custom-made to provide the best possible flow dynamics. The ideal power and throttle responsiveness combination is achieved by forcing air into the motor. An oversized Twin-Air air filter, securely fastened to a sturdy cage, ensures the air is always pure.


It would help if you were comfortable to ride for six days. Because of this, the 2023 KTM 450 EXC-F Six Days Dirt Bike has a blue and red color scheme with a softer and more gripper seat.


Even when pulled through deep ruts, self-cleaning footpegs won’t become clogged with muck. It keeps your boots from slipping and your mind wandering off the route.


The high-strength aluminum tapered handlebars on every KTM SIX DAYS model are fully adjustable and provide four alternative mounting options. With the comfort of an ODI lock-on grip on the left and the standard ODI vulcanized grip on the right, you only have to worry about hanging on and letting go.


Let France live! In honor of the 96th International Six Days Endure (ISDE), the 2023 KTM SIX DAYS models will fly the French flag. Your SIX DAYS machines will always seem brand new since the decals utilize in-mold graphics with more friction and fade resistance.

Six Days equipment

A solid rear brake disc and machined orange anodized triple clamps are just a few of the distinctive elements that are standard on 2023 KTM 450 EXC-F Six Days Dirt Bike. You can’t mistake a KTM SIX DAYS for anything else because of the SIX DAYS logo and other elements that bear it.

2023 KTM 450 EXC-F Six Days Dirt Bike

Battery & Wiring Harness

The 2023 KTM 450 EXC-F Six Days Dirt Bike has a tried and true electronic start technology, much like the rest of the 4-stroke line from KTM. The wire harness neatly places most of the electrical components beneath the seat for convenient accessibility, and the ultra-light 2 Ah lithium-ion starter battery ensures safe and dependable starting every time.

2023 KTM 450 EXC-F Six Days Dirt Bike – Technical Specifications


Transmission 6-speed
Starter Electric starter
Stroke 63.4mm
Bore 95mm
Clutch Wet, DDS multi-disc clutch, Brembo hydraulics
Displacement 449.9cm³
EMS Keihin EMS
Design 1-cylinder, 4-stroke engine


Weight (without fuel) 106kg
Tank capacity (approx.) 9.2l
Front brake disc diameter 260mm
Rear brake disc diameter 220mm
Front brake Disc brake
Rear brake Disc brake
Chain X-Ring 5/8 x 1/4″
Frame design Central double-cradle-type 25CrMo4 steel
Front Suspension WP XPLOR-USD, Ø 48 mm
Ground clearance 355mm
Rear Suspension WP Xplor PDS shock absorber
Seat height 960mm
Steering head angle 63.5°
Suspension travel (front) 300mm
Suspension travel (rear) 310mm

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