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Home / Bikes /MX / 450 SX-F FACTORY EDITION 2021

450 SX-F FACTORY EDITION 2021

ktm-450-sx-f-factory-edition-2021

KTM 450 SX-F FACTORY EDITION 2021 for Sale at Virginia KTM in Virginia, QLD | Specifications and Review Information


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.

MODEL HIGHLIGHTS

  • Red Bull graphic kit
  • Akrapovic Slip-On silencer
  • Connectivity Unit fitted as standard
  • Ability to connect to the innovative myKTM app
  • Factory triple clamps anodized in orange
  • KTM Factory wheels
  • Factory holeshot device in the fork guards
  • Orange frame
  • Composite skid plate
  • Factory seat with Selle Dalla Valle logo
  • Semi-floating front disc
  • Front brake disc guard
  • Orange rear sprocket
  • Hinson clutch cover
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.

Transmission

Transmission


The transmission on the KTM 450 SX-F FACTORY EDITION is focused on lightweight performance without compromise to durability. The gear ratios have been perfectly matched to the power delivery of the large displacement engine. The engine is 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 special 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.

Clutch

Clutch


The KTM 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 KTM 450 SX-F FACTORY EDITION.

 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 lightweight slip-on Akrapovic muffler delivers excellent performance, while ensuring noise levels 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.

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 maximum stability so that the rider will feel an increase in handling. Dunlop GEOMAX MX-33 tires put the power to the ground using the proven block-within-a-block design.

Triple Clamp

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.

Brakes

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.

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 1

  • 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)

    300 mm