KTM 125 SX 2019 vs. Yamaha YZ250F 2020

KTM 125 SX 2019

KTM 125 SX 2019

Yamaha YZ250F 2020

Yamaha YZ250F 2020

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Overview - KTM 125 SX 2019 vs Yamaha YZ250F 2020

KTM 125 SX 2019

KTM 125 SX 2019

Yamaha YZ250F 2020

Yamaha YZ250F 2020

Technical Specifications KTM 125 SX 2019 compared to Yamaha YZ250F 2020

KTM 125 SX 2019
Yamaha YZ250F 2020

Engine and Drive Train

BoreBore54 mmBore77 mm
StrokeStroke54.5 mmStroke53.6 mm
Fuel systemFuel systemCarburatorFuel systemInjection
StarterStarterKickStarterKick
Clutch TypeClutch TypeMultiplate in oil-bathClutch TypeMultiplate in oil-bath
IgnitionIgnitionKokusanIgnitionCDI
TransmissionTransmissionChainTransmissionChain
Transmission TypeTransmission TypeGearshiftTransmission TypeGearshift
Number of gearsNumber of gears6Number of gears5
CylindersCylinders1Cylinders1
StrokesStrokes2-StrokeStrokes4-Stroke
CoolingCoolingliquidCoolingliquid
DisplacementDisplacement124.8 ccmDisplacement250 ccm

Suspension Front

Front suspensionFront suspensionUpside-Down telescopic forkFront suspensionUpside-Down telescopic fork
TravelTravel310 mmTravel310 mm

Suspension Rear

SuspensionSuspensionSwing armSuspensionSwing arm
Shock absorberShock absorberMonoshockShock absorberMonoshock
Shock mountShock mountDeflectionShock mountDeflection
TravelTravel300 mmTravel315 mm

Chassis

FrameFrameSteelFrameAluminium
Frame typeFrame typeCentral tubeFrame typeTwin Tube

Brakes Front

TypeTypeSingle diskTypeSingle disk
DiameterDiameter260 mmDiameter270 mm

Brakes Rear

TypeTypeDiscTypeDisc
DiameterDiameter220 mmDiameter245 mm

Dimensions and Weights

Front tyre widthFront tyre width80 mmFront tyre width80 mm
Front tyre heightFront tyre height100 %Front tyre height100 %
Front tyre diameterFront tyre diameter21 inchFront tyre diameter21 inch
Rear tyre widthRear tyre width100 mmRear tyre width100 mm
Rear tyre heightRear tyre height90 %Rear tyre height90 %
Rear tyre diameterRear tyre diameter19 inchRear tyre diameter19 inch
WheelbaseWheelbase1,485 mmWheelbase1,475 mm
Seat HeightSeat Height950 mmSeat Height965 mm
Fuel Tank CapacityFuel Tank Capacity7.5 lFuel Tank Capacity7.5 l

Pros and Cons in comparison

Pros and Cons in comparison

KTM 125 SX 2019

KTM 125 SX 2019

Unfortunately, our editors did not test this model.

Yamaha YZ250F 2020

Yamaha YZ250F 2020

A really successful motocross motorbike where the fun factor while riding is in the foreground! The slogan "Welcome to the VictorYZone" is definitely justified. The engines are very powerful and can be individually adjusted to each rider via the Yamaha app using the WLAN interface. The app is even available for download free of charge. With the KYB suspensions, you are ready to float on cloud nine from the hallowed halls of the Yamaha dealers. We had a lot of fun on the 2021 YZ250F!

Series Chassis

Torque

Engine

Brakes

Powertuner App

Mapping Switch

Trackability

Intake noise takes some getting used to

Price Comparison Avarage Market Price KTM 125 SX vs Yamaha YZ250F

Price KTM 125 SX

Model year
Current average market prices

Price Yamaha YZ250F

Model year
Current average market prices

1000PS Partner

LOUISContinental Motorradreifencalimoto GmbHSchuberthMotorex AG