Yamaha YZF-R6 2018 vs. KTM 125 SX 2025

Yamaha YZF-R6 2018

Yamaha YZF-R6 2018

KTM 125 SX 2025

KTM 125 SX 2025

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Technical Specifications Yamaha YZF-R6 2018 compared to KTM 125 SX 2025

Yamaha YZF-R6 2018
KTM 125 SX 2025

Engine and Drive Train

BoreBore67 mmBore54 mm
StrokeStroke42.5 mmStroke54.5 mm
Fuel systemFuel systemInjectionFuel systemInjection
StarterStarterElectricStarterElectric
Clutch TypeClutch TypeMultiplate in oil-bathClutch TypeMultiplate in oil-bath
TransmissionTransmissionChainTransmissionChain
Transmission TypeTransmission TypeGearshiftTransmission TypeGearshift
Number of gearsNumber of gears6Number of gears6
CylindersCylinders4Cylinders1
StrokesStrokes4-StrokeStrokes2-Stroke
CoolingCoolingliquidCoolingliquid
DisplacementDisplacement599 ccmDisplacement124.8 ccm

Suspension Front

Front suspensionFront suspensionUpside-Down telescopic forkFront suspensionUpside-Down telescopic fork
DiameterDiameter43 mmDiameter48 mm
TravelTravel120 mmTravel310 mm

Suspension Rear

SuspensionSuspensionSwing armSuspensionSwing arm
Shock absorberShock absorberMonoshockShock absorberMonoshock
TravelTravel120 mmTravel300 mm

Chassis

FrameFrameAluminiumFrameChromium-molybdenum
Frame typeFrame typeDeltaboxFrame typeDouble cradle, Central tube
RakeRake66 degreeRake63.9 degree

Brakes Front

TypeTypeDouble diskTypeSingle disk
DiameterDiameter320 mmDiameter260 mm

Brakes Rear

TypeTypeDiscTypeDisc
DiameterDiameter220 mmDiameter220 mm

Dimensions and Weights

Front tyre widthFront tyre width120 mmFront tyre width80 mm
Front tyre heightFront tyre height70 %Front tyre height100 %
Front tyre diameterFront tyre diameter17 inchFront tyre diameter21 inch
Rear tyre widthRear tyre width180 mmRear tyre width100 mm
Rear tyre heightRear tyre height55 %Rear tyre height90 %
Rear tyre diameterRear tyre diameter17 inchRear tyre diameter19 inch
WheelbaseWheelbase1,375 mmWheelbase1,493 mm
Seat HeightSeat Height850 mmSeat Height958 mm
Fuel Tank CapacityFuel Tank Capacity17 lFuel Tank Capacity7.2 l

Pros and Cons in comparison

Pros and Cons in comparison

Yamaha YZF-R6 2018

Yamaha YZF-R6 2018

It almost seems as if the Yamaha YZF-R6 was born on the race track. It is easy to see that the R6 is the little sister of the YZF-R1. Whether it's the design, the ergonomics, the braking or the electronic aids - the racing genes are everywhere! The R6 is an outstanding piece of engineering in the 600cc class and, depending on your preferences, is probably the best 600cc bike currently available - at least for the racetrack. The Yamaha gives the rider unbelievably high precision and feedback over the front wheel and the chassis, and is super manageable at the same time! The engine is extremely rev-happy, but also wants to be kept happy. It is a pity that the latest version of the R6 has lost some of its power due to Euro 4... Nevertheless, it will be the faster track bike for most of us. And if there is a need, an open exhaust system (without road homologation) and mapping can tickle a few more horsepower out of the super sports bike. Sharp design meets even sharper components - TOP!

TOP chassis - tight and sporty

Extremely powerful brakes from the YZF-R1

Incredibly sharp design!

Modern lighting system - LED says hello!

Mature electronics package on board

Easy to read and clear display interface

Very rev-happy engine - A true "organ orchestra"...

...the engine could do with a bit more "punch" from the middle of the rev range

clear price difference compared to the Kawasaki - but this is justified!

KTM 125 SX 2025

KTM 125 SX 2025

Unfortunately, our editors did not test this model.

Price Comparison Avarage Market Price Yamaha YZF-R6 vs KTM 125 SX

Price Yamaha YZF-R6

Model year
Current average market prices

Price KTM 125 SX

Model year
Current average market prices

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