KTM 450 SX-F Factory Edition 2021 vs. KTM 390 Duke 2021

KTM 450 SX-F Factory Edition 2021

KTM 450 SX-F Factory Edition 2021

KTM 390 Duke 2021

KTM 390 Duke 2021

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Overview - KTM 450 SX-F Factory Edition 2021 vs KTM 390 Duke 2021

KTM 450 SX-F Factory Edition 2021

KTM 450 SX-F Factory Edition 2021

KTM 390 Duke 2021

KTM 390 Duke 2021

Technical Specifications KTM 450 SX-F Factory Edition 2021 compared to KTM 390 Duke 2021

KTM 450 SX-F Factory Edition 2021
KTM 390 Duke 2021

Engine and Drive Train

BoreBore95 mmBore89 mm
StrokeStroke63.4 mmStroke60 mm
Compression RatioCompression Ratio12.75 Compression Ratio12.6
Fuel systemFuel systemInjectionFuel systemInjection
StarterStarterElectricStarterElectric
Clutch TypeClutch TypeMultiplate in oil-bathClutch TypeMultiplate in oil-bath
TransmissionTransmissionChainTransmissionChain
Number of gearsNumber of gears4Number of gears6
CylindersCylinders1Cylinders1
StrokesStrokes4-StrokeStrokes4-Stroke
CoolingCoolingliquidCoolingliquid
DisplacementDisplacement449.9 ccmDisplacement373.2 ccm

Suspension Front

Front suspensionFront suspensionUpside-Down telescopic forkFront suspensionUpside-Down telescopic fork
BrandBrandWPBrandWP
DiameterDiameter48 mmDiameter43 mm
TravelTravel310 mmTravel142 mm

Suspension Rear

Shock mountShock mountDeflectionShock mountdirect
BrandBrandWPBrandWP
TravelTravel300 mmTravel150 mm

Chassis

FrameFrameSteelFrameChromium-molybdenum
Frame typeFrame typeCentral tubeFrame typeTubular

Brakes Front

TypeTypeSingle diskTypeSingle disk
DiameterDiameter260 mmDiameter320 mm

Brakes Rear

TypeTypeDiscTypeDisc
DiameterDiameter220 mmDiameter230 mm

Dimensions and Weights

Front tyre widthFront tyre width80 mmFront tyre width110 mm
Front tyre heightFront tyre height100 %Front tyre height70 %
Front tyre diameterFront tyre diameter21 inchFront tyre diameter17 inch
Rear tyre widthRear tyre width110 mmRear tyre width150 mm
Rear tyre heightRear tyre height90 %Rear tyre height60 %
Rear tyre diameterRear tyre diameter19 inchRear tyre diameter17 inch
WheelbaseWheelbase1,485 mmWheelbase1,367 mm
Seat HeightSeat Height950 mmSeat Height830 mm
Fuel Tank CapacityFuel Tank Capacity7 lFuel Tank Capacity13.4 l

Pros and Cons in comparison

Pros and Cons in comparison

KTM 450 SX-F Factory Edition 2021

KTM 450 SX-F Factory Edition 2021

Unfortunately, our editors did not test this model.

KTM 390 Duke 2021

KTM 390 Duke 2021

The KTM 390 Duke is a "real" Duke. The trademark: Extremely agile handling that makes for powerful riding fun. The flyweight 390 can be precisely controlled with its narrow waist and wide handlebars and feels most at home in tight corners. Especially with the Supermoto mode, it is a fun machine without equal. Unfortunately, only the brakes and suspension of the 390 cannot maintain the same, very high performance level as on the 125 Duke or 890 Duke. They feel a bit spongy and not optimally tuned, especially when the rider weighs in a bit more. The equipment is otherwise tip-top, especially when you consider the price of the 390 Duke. In terms of riding pleasure/euros, it outperforms most, including its Duke sisters.

Typical Duke ergonomics that are also suitable for taller riders

Extremely agile handling thanks to flyweight and narrow waist

Sporty engine with great handling

Modern TFT display with smartphone connectivity

Supermoto mode is a pleasure

Quickshifter (optional) works perfectly

Adjustable hand levers

Top price-performance ratio for A2 motorbike.

Chassis tuned a little too soft

pressure point of the brakes a little spongy

Price Comparison Avarage Market Price KTM 450 SX-F Factory Edition vs KTM 390 Duke

Price KTM 450 SX-F Factory Edition

Model year
Current average market prices

Price KTM 390 Duke

Model year
Current average market prices

Alternative Comparisons

1000PS Partner

LOUISContinental MotorradreifenSchuberthcalimoto GmbHMotorex AG