Aprilia SX 125 2025 vs. Beta RR X-PRO 4T 390 2025

Aprilia SX 125 2025

Aprilia SX 125 2025

Beta RR X-PRO 4T 390 2025

Beta RR X-PRO 4T 390 2025

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Technical Specifications Aprilia SX 125 2025 compared to Beta RR X-PRO 4T 390 2025

Aprilia SX 125 2025
Beta RR X-PRO 4T 390 2025

Engine and Drive Train

BoreBore58 mmBore88 mm
StrokeStroke47 mmStroke63.4 mm
Fuel systemFuel systemInjectionFuel systemInjection
StarterStarterKickStarterElectric
Clutch TypeClutch TypeMultiplate in oil-bathClutch TypeMultiplate in oil-bath
IgnitionIgnitionECUIgnitionKokusan
TransmissionTransmissionChainTransmissionChain
Number of gearsNumber of gears6Number of gears6
CylindersCylinders1Cylinders1
StrokesStrokes4-StrokeStrokes4-Stroke
Valves per cylinderValves per cylinder4Valves per cylinder4
ValvesValvesOHCValvesDOHC
CoolingCoolingliquidCoolingliquid
DisplacementDisplacement124.2 ccmDisplacement385.6 ccm

Suspension Front

Front suspensionFront suspensionUpside-Down telescopic forkFront suspensionUpside-Down telescopic fork
DiameterDiameter41 mmDiameter48 mm
TravelTravel240 mmTravel295 mm

Suspension Rear

SuspensionSuspensionSwing armSuspensionSwing arm
Shock absorberShock absorberMonoshockShock absorberMonoshock
TravelTravel210 mmTravel290 mm

Brakes Front

TypeTypeSingle diskTypeSingle disk
DiameterDiameter300 mmDiameter260 mm
PistonPistonDouble pistonPistonDouble piston

Brakes Rear

TypeTypeDiscTypeDisc
DiameterDiameter220 mmDiameter240 mm
PistonPistonSingle pistonPistonSingle piston

Assistance Systems

Advanced Rider Assistance SystemsAdvanced Rider Assistance SystemsABSAdvanced Rider Assistance SystemsTraction control

Dimensions and Weights

Front tyre widthFront tyre width100 mmFront tyre width90 mm
Front tyre heightFront tyre height80 %Front tyre height90 %
Front tyre diameterFront tyre diameter17 inchFront tyre diameter21 inch
Rear tyre widthRear tyre width130 mmRear tyre width140 mm
Rear tyre heightRear tyre height70 %Rear tyre height80 %
Rear tyre diameterRear tyre diameter17 inchRear tyre diameter18 inch
LengthLength2,075 mmLength2,180 mm
WidthWidth820 mmWidth830 mm
HeightHeight1,140 mmHeight1,270 mm
WheelbaseWheelbase1,425 mmWheelbase1,490 mm
Seat HeightSeat Height880 mmSeat Height940 mm
Fuel Tank CapacityFuel Tank Capacity7 lFuel Tank Capacity9 l

Pros and Cons in comparison

Pros and Cons in comparison

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

Beta RR X-PRO 4T 390 2025

Beta RR X-PRO 4T 390 2025

Unfortunately, our editors did not test this model.

Price Comparison Avarage Market Price Aprilia SX 125 vs Beta RR X-PRO 4T 390

Price Aprilia SX 125

Model year
Current average market prices

Price Beta RR X-PRO 4T 390

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

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