KTM 450 SX-F FACTORY EDITION 2022

Produktinfo

Power Supremacy

The KTM 450 SX-F FACTORY EDITION is a championship winning machine. With its development based on feedback coming directly from elite Motocross and Supercross racers, it’s the force behind the success of Red Bull KTM Factory Racing riders around the globe. A formula for victory, the 2021 KTM 450 SX-F FACTORY EDITION comes with a list of updates including KTM’s proprietary Connectivity Unit as standard, which allows every rider to explore the potential of the innovative myKTM app straight out of the showroom.

Motor og eksos

Motor og Eksos

The 450 cc engine is the ultimate powerhouse when it comes to KTM’s competitive motocross range. Its compact, lightweight design features a single overhead camshaft cylinder head, fueled by a highly advanced electronic injection system. This enables the impressive power to be distributed extremely efficiently throughout the rev range. Even with its super-beneficial electric starter, this model is still the lightest 450 cc engine on the MX market.

TRANSMISSION

The transmission on the KTM 450 SX-F is focused on lightweight performance without compromise to durability. There was no need to change the gear ratios as they have been perfectly matched to the power delivery of the large displacement engine, but the secondary drive (sprockets) ratio has been made shorter 13/49 for improved better response. […]

HANDLEBAR MAP SELECT SWITCH

Within easy reach of the left grip on all four-stroke models, is a multifunctional handlebar map switch, which features the innovative control functions; traction control; launch control and alternative power curves (standard <-> advanced). The TRACTION CONTROL is a unique feature that guarantees more efficient traction and better control when accelerating the bike, especially in […]

EXHAUST

When it comes to power delivery and performance, the exhaust on all 4-stroke models plays a key role and packs a punch that is hard to beat. It features a model specific header pipe with an advanced resonator called FDH (Flow Design Header), which is a small chamber around the pipe. The design allows the […]

ENGINE MANAGEMENT SYSTEM

The state-of-the-art KEIHIN Engine Management System, with electronic fuel injection, features a 44 mm throttle body. The injector position guarantees optimal atomization of the fuel and air on the way to the combustion chamber, resulting in instant response and maximum performance when opening the throttle. There are also separate systems for cold starting and idle […]

ENGINE

The 450 cc engine is the ultimate powerhouse when it comes to KTM’s competitive motocross range. Its compact, lightweight design features a single overhead camshaft cylinder head, fueled by the latest electronic injection system. This enables the impressive 63hp to be distributed extremely efficiently throughout the rev range. Even with its super-beneficial electric starter this […]

E-STARTER

The standard electric starter on the KTM 450 SX-F uses a proven starter drive and a strong starter motor made by Mitsuba. As demonstrated time and time again, it provides quick and reliable starting, saving you precious time and energy when you need it most.

Cylinder head

The KTM 450 SX-F is fitted with a lightweight, compact SOHC (single overhead camshaft) cylinder head. The design focusses on mass centralization, contributing to overall handling excellence. The overhead camshaft has a friction-optimized surface and valve timing that delivers impressive responsiveness. The four ultra-lightweight titanium valves (intake 40 mm, exhaust 33 mm) are activated via […]

Cylinder and piston

The 95 mm bore cylinder houses a newly-shaped, lightweight, piston, made to the very highest standards by CP, delivering improved performance and reliability. Its design contributes to the engine’s low vibrations and overall engine speed strength. Due to the low oscillating masses, the engine is not only powerful, but also displays extremely lively characteristics.

CRANKSHAFT

The crankshaft on the KTM 450 SX-F is located in an ideal position close to the center of gravity, contributing to better mass centralization. It utilizes a short connecting rod, which allows for a compact motor design and a snappier power delivery. The whole unit is extremely well-balanced, with the perfect amount of inertia for […]

CRANKCASES AND ENGINE COVERS

The compact engine cases are manufactured using a high pressure die-cast production process that helps with weight reduction, while retaining strength and durability. The design allows for optimal shaft arrangements close to the center of gravity, resulting in better mass centralization and easier ride-ability. The engine covers feature a smart surface structure that reduces wear […]

COOLING

Maintaining the optimal engine temperature is crucial to ensuring consistent horsepower throughout the ride. The KTM 450 SX-F features radiators which are positioned for a lower the center of gravity. Their design matches the shrouds perfectly and offers a great slim feel to the ergonomics. By using CFD technology (computational fluid dynamics) together with a […]

CLUTCH

The KTM 450 SX-F is fitted with the extremely durable, KTM-developed DDS clutch (damped diaphragm steel), with a wear-free steel basket and heat resistant clutch plates. It uses a diaphragm spring instead of the usual coil springs, which results in considerably easier clutch action. The diaphragm spring is also compact enough to allow for a […]

BALANCER SHAFT

The multifunctional side mounted counter balance shaft masterfully balances all the oscillating forces, while also driving the water pump. It effectively keeps engine vibrations to a minimum, resulting in the smoothest ride, even at the highest engine speeds.

Chassi

CHASSI

The frame on the KTM 450 SX-F FACTORY EDITION is made of professionally crafted hydroformed Chromium Molybdenum steel tubes which are robot welded for the highest levels of consistent quality and strength. The frame stiffness is designed for optimal handling, comfort and high-speed stability. The orange powder coated frame is fitted with color matching frame protectors and a carbon fiber reinforced skid plate.

wheels

The KTM 450 SX-F FACTORY EDITION is fitted with high-end Factory wheels. They feature black D.I.D DirtStar rims and fully CNC-machined orange anodized hubs. Together with black spokes and orange anodized aluminum nipples, they guarantee minimal weight at maximum stability so that the rider will feel an increase in handling. Dunlop GEOMAX MX-33 tires put […]

triple clamp

The CNC-machined Factory triple clamps match the stiffness of the frame perfectly while offering adjustable offset of 20 mm or 22 mm. In addition, its sophisticated fork clamping reduces internal friction for better sliding behavior of the inner fork legs. A rubber damping system reduces vibrations and increases rider comfort.

swingarm

The cast aluminum design offers low weight and a perfect flex behavior. The single-component casting process eliminates any inconsistencies and inherent weak points created by welding.

rear suspension

The WP shock absorber has been developed with the entire frame and swingarm architecture in mind, including the linkage system and the WP XACT 48 front forks. It features machined and anodized components and is a valuable, high-end product compared to rough cast reservoirs.

fuel tank

A lightweight polyethylene tank with a capacity of 1.85 gallons. The fuel tank cap has an inside thread, which makes for quick, easy and reliable closure.

front suspension

The WP XACT 48 with innovative AER technology is a split function fork featuring a capsulated air spring and pressurized oil chamber for consistent and progressive damping, while offering supreme adjustability. Air spring adjustment is simple with the factory supplied WP digital air pump. Featuring a proven setting, the fork is also fitted with a […]

brakes

A 260 mm floating front brake rotor is matched to a Brembo master cylinder and caliper for class-leading stopping power and feel. A front brake protector is fitted as standard equipment on the KTM 450 SX-F FACTORY EDITON.

Air box

The airbox design offers maximum protection of the air filter while ensuring maximum airflow. The large twin-air filter is mounted in a stiff cage, which helps to hold the system securely in place. This design is so simple, you can pop a fresh one in without tools, in seconds.

Ergonomi og komfort

ERGONOMI OG KOMFORT

All KTM SX models feature a seat that perfectly matches the range’s dynamic performance-oriented ergonomics. The seat cover features silicone strips that provide better feel and grip for the rider. The seat is conveniently fixed to the bike using one long, lateral screw, making it secure and easy to handle.

SEAT

All KTM SX models feature a seat that perfectly matches the range’s dynamic performance-oriented ergonomics. The seat cover features silicone strips that provide better feel and grip for the rider. The seat is conveniently fixed to the bike using one long, lateral screw, making it secure and easy to handle.

HANDLEBAR

All full-size KTM SX models are equipped with the same high-strength aluminum tapered handlebar, made by NEKEN. The handlebar is fixed in rubber damped mountings, which allow for two different positions. The handlebars come standard with an ODI vulcanized grip on the right side and a comfortable ODI lock-on grip, which does not require any […]

FOOTPEGS

Sophisticated ´no-dirt´ footpegs prevent clogging of the footpeg pivot, even when digging in deep ruts. Looking for a higher riding position? Then just mount the footpegs of the 2019 EXC models, which are 6mm higher than the SX versions.

Bodywork og dekaler

BODYWORK OG DEKALER

The new aggressive-looking graphics were designed to send a clear message to the competition that this is not a bike that should be taken lightly.

DECALS

The new aggressive-looking graphics were designed to send a clear message to the competition that this is not a bike that should be taken lightly.

Programvare og elektronikk

PROGRAMVARE OG ELEKTRONIKK

A strong lithium ion 2.0 Ah battery breathes life into the engine, while adding very little to overall vehicle weight. The lightweight battery and wiring harness are centralized in a compartment above the air filter box, allowing removal of the subframe without moving the electronics.

Tekniske detaljer

TECH DETAILS

Engine
TRANSMISSION
5-speed
STARTER
Electric starter
STROKE
63.4 mm
BORE
95 mm
CLUTCH
Wet, DDS multi-disc clutch, Brembo hydraulics
DISPLACEMENT
449.9 cm³
EMS
Keihin EMS
DESIGN
1-cylinder, 4-stroke engine
CHASSIS
WEIGHT (WITHOUT FUEL)
100.5 kg
TANK CAPACITY (APPROX.)
7 l
FRONT BRAKE DISC DIAMETER
260 mm
REAR BRAKE DISC DIAMETER
220 mm
FRONT BRAKE
Disc brake
REAR BRAKE
Disc brake
CHAIN
5/8 x 1/4″
FRAME DESIGN
Central double-cradle-type 25CrMo4 steel
FRONT SUSPENSION
WP XACT-USD, Ø 48 mm
GROUND CLEARANCE
370 mm
REAR SUSPENSION
WP XACT Monoshock with linkage
SEAT HEIGHT
950 mm
STEERING HEAD ANGLE
63.9 °
SUSPENSION TRAVEL (FRONT)
310 mm
SUSPENSION TRAVEL (REAR)
310 mm
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