Aprilia RS 125 Racing 2009 vs. KTM 390 Duke 2021

Aprilia RS 125 Racing 2009

Aprilia RS 125 Racing 2009

KTM 390 Duke 2021

KTM 390 Duke 2021

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Overview - Aprilia RS 125 Racing 2009 vs KTM 390 Duke 2021

Aprilia RS 125 Racing 2009

Aprilia RS 125 Racing 2009

KTM 390 Duke 2021

KTM 390 Duke 2021

Technical Specifications Aprilia RS 125 Racing 2009 compared to KTM 390 Duke 2021

Aprilia RS 125 Racing 2009
KTM 390 Duke 2021

Engine and Drive Train

BoreBore54 mmBore89 mm
StrokeStroke54.5 mmStroke60 mm
Engine powerEngine power15 HPEngine power44 HP
Rpm at Max. PowerRpm at Max. Power8,500 rpmRpm at Max. Power9,500 rpm
TransmissionTransmissionChainTransmissionChain
CylindersCylinders1Cylinders1
StrokesStrokes2-StrokeStrokes4-Stroke
CoolingCoolingliquidCoolingliquid
DisplacementDisplacement125 ccmDisplacement373.2 ccm

Suspension Front

Front suspensionFront suspensionUpside-Down telescopic forkFront suspensionUpside-Down telescopic fork

Brakes Front

TechnologyTechnologyradialTechnologyradial

Brakes Rear

TypeTypeDiscTypeDisc

Dimensions and Weights

Front tyre diameterFront tyre diameter17 inchFront tyre diameter17 inch
Rear tyre diameterRear tyre diameter17 inchRear tyre diameter17 inch
WheelbaseWheelbase1,345 mmWheelbase1,367 mm
Seat HeightSeat Height805 mmSeat Height830 mm
Fuel Tank CapacityFuel Tank Capacity14 lFuel Tank Capacity13.4 l
License compliancyLicense compliancyA1License compliancyA2

Pros and Cons in comparison

Pros and Cons in comparison

Aprilia RS 125 Racing 2009

Aprilia RS 125 Racing 2009

Unfortunately, our editors did not test this model.

KTM 390 Duke 2021

KTM 390 Duke 2021

The KTM 390 Duke is a "real" Duke. The trademark: Extremely agile handling that makes for powerful riding fun. The flyweight 390 can be precisely controlled with its narrow waist and wide handlebars and feels most at home in tight corners. Especially with the Supermoto mode, it is a fun machine without equal. Unfortunately, only the brakes and suspension of the 390 cannot maintain the same, very high performance level as on the 125 Duke or 890 Duke. They feel a bit spongy and not optimally tuned, especially when the rider weighs in a bit more. The equipment is otherwise tip-top, especially when you consider the price of the 390 Duke. In terms of riding pleasure/euros, it outperforms most, including its Duke sisters.

Typical Duke ergonomics that are also suitable for taller riders

Extremely agile handling thanks to flyweight and narrow waist

Sporty engine with great handling

Modern TFT display with smartphone connectivity

Supermoto mode is a pleasure

Quickshifter (optional) works perfectly

Adjustable hand levers

Top price-performance ratio for A2 motorbike.

Chassis tuned a little too soft

pressure point of the brakes a little spongy

Price Comparison Avarage Market Price Aprilia RS 125 Racing vs KTM 390 Duke

Price Aprilia RS 125 Racing

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

Price KTM 390 Duke

Model year
Current average market prices

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