KTM 990 Adventure 2009 vs. Aprilia RS 660 2021

KTM 990 Adventure 2009

KTM 990 Adventure 2009

Aprilia RS 660 2021

Aprilia RS 660 2021

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Overview - KTM 990 Adventure 2009 vs Aprilia RS 660 2021

KTM 990 Adventure 2009

KTM 990 Adventure 2009

Aprilia RS 660 2021

Aprilia RS 660 2021

Technical Specifications KTM 990 Adventure 2009 compared to Aprilia RS 660 2021

KTM 990 Adventure 2009
Aprilia RS 660 2021

Engine and Drive Train

BoreBore101 mmBore81 mm
StrokeStroke62.4 mmStroke63.93 mm
Engine powerEngine power106 HPEngine power100 HP
Rpm at Max. PowerRpm at Max. Power8,250 rpmRpm at Max. Power10,500 rpm
Compression RatioCompression Ratio11.5 Compression Ratio13.5
StarterStarterElectricStarterElectric
CylindersCylinders2Cylinders2
StrokesStrokes4-StrokeStrokes4-Stroke
DisplacementDisplacement999 ccmDisplacement659 ccm

Suspension Front

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

Chassis

FrameFrameChromium-molybdenumFrameAluminium
Frame typeFrame typeTubularFrame typeLoad-bearing engine

Brakes Front

PistonPistonDouble pistonPistonFour pistons
BrandBrandBremboBrandBrembo

Brakes Rear

TypeTypeDiscTypeDisc
PistonPistonDouble pistonPistonDouble piston
BrandBrandBremboBrandBrembo

Dimensions and Weights

Front tyre diameterFront tyre diameter21 inchFront tyre diameter17 inch
WheelbaseWheelbase1,570 mmWheelbase1,370 mm
Seat HeightSeat Height860 mmSeat Height820 mm
Fuel Tank CapacityFuel Tank Capacity19.5 lFuel Tank Capacity15 l
License compliancyLicense compliancyALicense compliancyA

Pros and Cons in comparison

Pros and Cons in comparison

KTM 990 Adventure 2009

KTM 990 Adventure 2009

Unfortunately, our editors did not test this model.

Aprilia RS 660 2021

Aprilia RS 660 2021

In 2021, the Aprilia RS 660 can be seen as the last true 600cc supersport, because with its sporty seating position and high-quality chassis components, it hits the sweet spot between suitability for everyday use and trackday potential. Thanks to the comprehensive electronics package, nothing is left to be desired on the road or on the track - and you can't complain about the powerful two-cylinder anyway. A great package for all those for whom 200+ hp superbikes are too much for everyday use.

powerful engine

extensive electronics package

sporty chassis

nice sound

low weight

sporty look

poorly readable rev counter

Price Comparison Avarage Market Price KTM 990 Adventure vs Aprilia RS 660

Price KTM 990 Adventure

Model year
Current average market prices

Price Aprilia RS 660

Model year
Current average market prices

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