KTM 125 Duke 2021 vs. Harley-Davidson Fat Boy 30th Anniversary 2020

KTM 125 Duke 2021

KTM 125 Duke 2021

Harley-Davidson Fat Boy 30th Anniversary 2020

Harley-Davidson Fat Boy 30th Anniversary 2020

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Overview - KTM 125 Duke 2021 vs Harley-Davidson Fat Boy 30th Anniversary 2020

KTM 125 Duke 2021

KTM 125 Duke 2021

Harley-Davidson Fat Boy 30th Anniversary 2020

Harley-Davidson Fat Boy 30th Anniversary 2020

Technical Specifications KTM 125 Duke 2021 compared to Harley-Davidson Fat Boy 30th Anniversary 2020

KTM 125 Duke 2021
Harley-Davidson Fat Boy 30th Anniversary 2020

Engine and Drive Train

BoreBore58 mmBore102 mm
StrokeStroke47.2 mmStroke114.3 mm
Engine powerEngine power15 HPEngine power94 HP
Rpm at Max. PowerRpm at Max. Power9,500 rpmRpm at Max. Power5,020 rpm
TorqueTorque12 NmTorque155 Nm
Rpm at TorqueRpm at Torque7,500 rpmRpm at Torque3,000 rpm
Compression RatioCompression Ratio12.8 Compression Ratio10.5
Fuel systemFuel systemInjectionFuel systemInjection
StarterStarterElectricStarterElectric
Clutch TypeClutch TypeMultiplate in oil-bathClutch TypeMultiplate in oil-bath
TransmissionTransmissionChainTransmissionBelt
Transmission TypeTransmission TypeGearshiftTransmission TypeGearshift
Number of gearsNumber of gears6Number of gears6
CylindersCylinders1Cylinders2
ValvesValvesDOHCValvesOHV
CoolingCoolingliquidCoolingAir
DisplacementDisplacement125 ccmDisplacement1,868 ccm

Suspension Front

Front suspensionFront suspensionUpside-Down telescopic forkFront suspensionTelescopic fork

Chassis

FrameFrameChromium-molybdenumFrameSteel
Frame typeFrame typeTubularFrame typeDouble cradle
RakeRake65 degreeRake3 degree

Brakes Front

TypeTypeSingle diskTypeSingle disk
PistonPistonFour pistonsPistonFour pistons
Shock mountShock mountFixed caliperShock mountFixed caliper

Brakes Rear

TypeTypeDiscTypeDisc
PistonPistonSingle pistonPistonDouble piston
Shock mountShock mountFloating caliperShock mountFloating caliper

Dimensions and Weights

Front tyre widthFront tyre width110 mmFront tyre width160 mm
Front tyre heightFront tyre height70 %Front tyre height60 %
Front tyre diameterFront tyre diameter17 inchFront tyre diameter18 inch
Rear tyre widthRear tyre width150 mmRear tyre width240 mm
Rear tyre heightRear tyre height60 %Rear tyre height40 %
Rear tyre diameterRear tyre diameter17 inchRear tyre diameter18 inch
WheelbaseWheelbase1,367 mmWheelbase1,665 mm
Seat HeightSeat Height830 mmSeat Height675 mm
Fuel Tank CapacityFuel Tank Capacity13.4 lFuel Tank Capacity18.9 l
License compliancyLicense compliancyA1License compliancyA

Pros and Cons in comparison

Pros and Cons in comparison

KTM 125 Duke 2021

KTM 125 Duke 2021

Even in the Euro 5 version, the KTM Duke 125 is the motorbike to beat in the A1 class. Superior equipment, potent engine, good chassis, great display and fun Supermoto mode make not only the heart of 16-year-olds beat faster. The looks polarise, but let the observer clearly recognise the smallest Duke as such. The Duke 125 is not cheap, but it is worth the price.

lively engine

super-agile handling

Supermoto mode as standard

mature chassis

top brakes

sharp TFT display

connectivity (optional)

Optics not to everyone's taste

price high for a 125cc bike

Harley-Davidson Fat Boy 30th Anniversary 2020

Harley-Davidson Fat Boy 30th Anniversary 2020

Unfortunately, our editors did not test this model.

Price Comparison Avarage Market Price KTM 125 Duke vs Harley-Davidson Fat Boy 30th Anniversary

Price KTM 125 Duke

Model year
Current average market prices

Price Harley-Davidson Fat Boy 30th Anniversary

Unfortunately, the data available to us is not sufficient to provide meaningful price information for this model.

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