KTM 125 SX 2026 vs. Aprilia SX 125 2025

KTM 125 SX 2026

KTM 125 SX 2026

Aprilia SX 125 2025

Aprilia SX 125 2025

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Technical Specifications KTM 125 SX 2026 compared to Aprilia SX 125 2025

KTM 125 SX 2026
Aprilia SX 125 2025

Engine and Drive Train

Fuel systemFuel systemInjectionFuel systemInjection
StarterStarterElectricStarterKick
Clutch TypeClutch TypeMultiplate in oil-bathClutch TypeMultiplate in oil-bath
TransmissionTransmissionChainTransmissionChain
Transmission TypeTransmission TypeGearshiftTransmission TypeGearshift
Number of gearsNumber of gears6Number of gears6
CylindersCylinders1Cylinders1
StrokesStrokes2-StrokeStrokes4-Stroke
CoolingCoolingliquidCoolingliquid
LubricationLubricationMixedLubricationDry sump
DisplacementDisplacement124.8 ccmDisplacement124.2 ccm

Suspension Front

Front suspensionFront suspensionUpside-Down telescopic forkFront suspensionUpside-Down telescopic fork
DiameterDiameter48 mmDiameter41 mm
TravelTravel310 mmTravel240 mm

Suspension Rear

SuspensionSuspensionSwing armSuspensionSwing arm
Shock absorberShock absorberMonoshockShock absorberMonoshock
TravelTravel300 mmTravel210 mm

Brakes Front

TypeTypeSingle diskTypeSingle disk
DiameterDiameter48 mmDiameter300 mm

Brakes Rear

TypeTypeDiscTypeDisc

Assistance Systems

Advanced Rider Assistance SystemsAdvanced Rider Assistance SystemsRiding modes, , , Advanced Rider Assistance SystemsABS

Dimensions and Weights

Front tyre diameterFront tyre diameter21 inchFront tyre diameter17 inch
Rear tyre diameterRear tyre diameter19 inchRear tyre diameter17 inch
Seat HeightSeat Height958 mmSeat Height880 mm
Fuel Tank CapacityFuel Tank Capacity7.2 lFuel Tank Capacity7 l
License compliancyLicense compliancyA1License compliancyA1

Pros and Cons in comparison

Pros and Cons in comparison

KTM 125 SX 2026

KTM 125 SX 2026

Unfortunately, our editors did not test this model.

Aprilia SX 125 2025

Aprilia SX 125 2025

Aprilia's SX 125 is a very sporty supermoto that does justice to Aprilia's long 125cc history. Its 15 hp single-cylinder inspires with its balanced character with high suitability for everyday use, but at the same time provides a lot of fun under the helmet. The biggest advantage it has over the competition is its ABS system, which only acts on the front wheel and was installed instead of a CBS system. This makes it possible to conjure up beautiful drifts on the asphalt, as befits a true supermoto.

pleasant engine characteristics

high-quality appearance

sporty chassis

ABS instead of CBS

weak brake

Price Comparison Avarage Market Price KTM 125 SX vs Aprilia SX 125

Price KTM 125 SX

Model year
Current average market prices

Price Aprilia SX 125

Model year
Current average market prices

Alternative Comparisons