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Home / Bikes /MX / 450 SX-F FACTORY EDITION 2020

450 SX-F FACTORY EDITION 2020

ktm-450-sx-f-factory-edition-2020

KTM 450 SX-F FACTORY EDITION 2020 for Sale at Virginia KTM in Virginia, QLD | Specifications and Review Information


A FORMULA FOR SUCCESS

We build and race FACTORY EDITIONS. Championship winning bikes, like this one. Thanks to its compact SOHC (single overhead camshaft) engine delivering explosive but controllable power, it is the force behind the success of Red Bull KTM Factory Teams around the world. A lightweight chassis and a slim bodywork put the KTM 450 SX-F FACTORY EDITION ahead of the competition. A long list of special equipment such as a factory installed holeshot device, a floating front brake rotor and a slip-on AKRAPOVIČ muffler add to the arsenal that ensure this limited edition model cannot be rivaled. The FACTORY EDITION is a proven formula for success.

CYLINDER HEAD

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 extremely rigid rocker arms. The rockers on intake side are DLC coated, allowing for impressive engine speeds up to 11,500 rpm. Low-friction chain guides further support the high RPM levels. The innovative head configuration guarantees the most efficient delivery of the unrivalled power, keeping a strong edge over the competition.

CRANKSHAFT

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 optimal traction and ride-ability. A plain big end bearing with two force-fitted bearing shells, runs directly on the crank pin, with the necessary oil feed for this bearing supplied by the engine's pressure lubrication. This design also enhances durability, allowing for long crankshaft service intervals - resulting in less effort and cost and more time spent on two wheels.

CRANKCASES AND ENGINE COVERS

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 caused by the rider's boots, keeping them looking as fresh as the day you bought it.

TRANSMISSION

TRANSMISSION

The transmission on the KTM 450 SX-F FACTORY EDITION 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. The secondary drive (sprockets) ratio also remains unchanged (13/49). All four-stroke engines are fitted with a gear sensor, which provides the option of different engine characteristics for each gear, depending on engine load. An advanced "no-dirt" gear lever design prevents dirt from building up and together with the reliable gearbox, guarantees that the next gear is always an easy click away.

ENGINE MANAGEMENT SYSTEM

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 adjustment. The ECU features maps which have been developed to precisely match the exhaust and cylinder head, with options for regulating traction and launch control. It also provides different maps for each gear, according to the information received from the gear sensor, ensuring maximum power as you shift through the gears.

CYLINDER AND PISTON

CYLINDER AND PISTON

Inside the short 95mm bore cylinder, thumps a new forged box in box piston with a hard anodized compression ring groove and an optimized profile. Its crown geometry is adapted perfectly to the high-compression combustion chamber, where its rigid structure and low weight really shine. Thanks to the low oscillating masses, the engine is as snappy as it is strong.

BALANCER SHAFT

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.

CLUTCH

CLUTCH

The 450 SX-F FACTORY EDITION features a DDS (Dampened Diaphragm Steel) Clutch that is actuated hydraulically by a Brembo master and slave cylinder. The single diaphragm steel pressure plate offers better feel and function than a traditional multiple coil spring set-up. The damping system provides better traction and reliability while the CNC-machined basket allows for thin steel liners for a compact design. A special replica Hinson billet clutch cover is fitted to the FACTORY EDITION.

E-STARTER

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.

HANDLEBAR MAP SELECT SWITCH

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 challenging track conditions. It can be activated on the handlebar map switch while riding. With a simple push of the two buttons at idle speed, the rider can also activate LAUNCH CONTROL, ensuring the most effective launch out of the gate. The map switch also gives the rider the chance to select an alternative power map besides the standard configuration, providing him with options during the race.

COOLING

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 clever coolant circuit routing, the innovative system ensures the optimum engine temperature for the highest performance, no matter what the conditions. The radiators also feature special protectors that don't only serve as protection from flying rocks and debris but also as a brace that disperses energy around the radiators in the event of an impact.

EXHAUST

EXHAUST

The header pipe features a flow-designed resonance chamber that is seamlessly integrated into the system for low noise and optimal power delivery. The new slip-on AKRAPOVIČ muffler delivers excellent performance due to its low weight and noise levels that comply with competition requirements.

FRAME

FRAME

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.

SWINGARM

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.

WHEELS

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 maximal stability so that the rider will feel an increase in handling. Dunlop GEOMEX MX3S tires put the power to the ground using the proven block-within-a-block design.

FRONT SUSPENSION

FRONT SUSPENSION

The WP XACT 48 with its 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. The fork features an updated suspension hardware and a new setting, in addition it is fitted with a mechanical holeshot device on the right fork. This ensures the proper weight distribution and ride height for getting to the first turn ahead of the competition.

REAR SUSPENSION

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.

TRIPLE CLAMP

TRIPLE CLAMP

The CNC-machined FACTORY triple clamps match the stiffness of the frame perfectly. 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.

BRAKES

BRAKES

A 260mm 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 450 SX-F FACTORY EDITON.

FUEL TANK

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

AIRBOX

AIRBOX

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

BATTERY & WIRING HARNESS

BATTERY & WIRING HARNESS

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 the mechanic to remove the subframe without moving the electronics.

Engine

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 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.

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 kg

  • Tank Capacity (Approx.)

    7 l

  • Front Brake Disic Diameter

    260 mm

  • Rear Brake  Disic 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)

    300 mm