KTM 990 Duke 2025 vs. Aprilia Tuono 660 Factory 2025

KTM 990 Duke 2025

KTM 990 Duke 2025

Aprilia Tuono 660 Factory 2025

Aprilia Tuono 660 Factory 2025

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Overview - KTM 990 Duke 2025 vs Aprilia Tuono 660 Factory 2025

KTM 990 Duke 2025

KTM 990 Duke 2025

Aprilia Tuono 660 Factory 2025

Aprilia Tuono 660 Factory 2025

Technical Specifications KTM 990 Duke 2025 compared to Aprilia Tuono 660 Factory 2025

KTM 990 Duke 2025
Aprilia Tuono 660 Factory 2025
KTM 990 Duke 2025
KTM 990 Duke 2025
Aprilia Tuono 660 Factory 2025
Aprilia Tuono 660 Factory 2025

Engine and Drive Train

BoreBore92.5 mmBore81 mm
StrokeStroke70.4 mmStroke63.93 mm
Engine powerEngine power123 HPEngine power100 HP
Rpm at Max. PowerRpm at Max. Power9,500 rpmRpm at Max. Power10,500 rpm
TorqueTorque103 NmTorque67 Nm
Rpm at TorqueRpm at Torque6,750 rpmRpm at Torque8,500 rpm
Compression RatioCompression Ratio13.5 Compression Ratio13.5
StarterStarterElectricStarterElectric
Clutch TypeClutch TypeAntihoppingClutch TypeMultiplate in oil-bath, Antihopping
TransmissionTransmissionChainTransmissionChain
Transmission TypeTransmission TypeGearshiftTransmission TypeGearshift
Number of gearsNumber of gears6Number of gears6
CylindersCylinders2Cylinders2
StrokesStrokes4-StrokeStrokes4-Stroke
Valves per cylinderValves per cylinder4Valves per cylinder4
ValvesValvesDOHCValvesDOHC
CoolingCoolingliquidCoolingliquid
DisplacementDisplacement947 ccmDisplacement659 ccm

Suspension Front

BrandBrandWPBrandKayaba
TravelTravel140 mmTravel110 mm
AdjustmentAdjustmentCompression, ReboundAdjustmentCompression, Preload, Rebound

Suspension Rear

Shock absorberShock absorberMonoshockShock absorberMonoshock
TravelTravel150 mmTravel130 mm
AdjustmentAdjustmentPreload, ReboundAdjustmentCompression, Preload, Rebound

Chassis

FrameFrameChromium-molybdenumFrameAluminium
RakeRake65.8 degreeRake65.9 degree
TrailTrail100 mmTrail104.7 mm

Brakes Front

TypeTypeDouble diskTypeDouble disk
DiameterDiameter300 mmDiameter320 mm
PistonPistonFour pistonsPistonFour pistons
TechnologyTechnologyradialTechnologyradial

Brakes Rear

TypeTypeDiscTypeDisc
DiameterDiameter240 mmDiameter220 mm
PistonPistonDouble pistonPistonDouble piston

Assistance Systems

Advanced Rider Assistance SystemsAdvanced Rider Assistance SystemsABS, Riding modes, Cornering ABS, Traction controlAdvanced Rider Assistance SystemsABS, Riding modes, Launch-Control, Ride by Wire, Quickshifter, Traction control, Anti-wheelie

Dimensions and Weights

Front tyre widthFront tyre width120 mmFront tyre width120 mm
Front tyre heightFront tyre height70 %Front tyre height70 %
Front tyre diameterFront tyre diameter17 inchFront tyre diameter17 inch
Rear tyre widthRear tyre width180 mmRear tyre width180 mm
Rear tyre heightRear tyre height55 %Rear tyre height60 %
Rear tyre diameterRear tyre diameter17 inchRear tyre diameter17 inch
WheelbaseWheelbase1,476 mmWheelbase1,370 mm
Seat HeightSeat Height825 mmSeat Height820 mm
Dry Weight (with ABS)Dry Weight (with ABS)179 kgDry Weight (with ABS)169 kg
Kerb Weight (with ABS)Kerb Weight (with ABS)190 kgKerb Weight (with ABS)181 kg
Fuel Tank CapacityFuel Tank Capacity14.5 lFuel Tank Capacity15 l
RangeRange314 kmRange306 km
Combined CO2 emissionsCombined CO2 emissions110 g/kmCombined CO2 emissions116 g/km
Combined fuel consumptionCombined fuel consumption4.7 l/100kmCombined fuel consumption4.9 l/100km

Equipment

EquipmentEquipmentLED-HeadlightsEquipmentBluetooth, Connectivity, Cornering lights, LED daytime running lights, LED-Headlights, TFT display

Pros and Cons in comparison

Pros and Cons in comparison

KTM 990 Duke 2025

KTM 990 Duke 2025

The KTM 990 Duke is a bike with rough edges - in the truest sense of the word. It is not the perfect all-rounder, not the most harmonious representative of its class, but it has something that many other bikes lack: real character. Anyone looking for a naked bike that challenges and encourages them, that arouses emotions and makes no compromises, will find a loyal companion in the Duke. It is the bike for individualists, for riders who are looking for something special and are prepared to compromise for it.

Very low weight of just 192 kg

Strong two-cylinder engine with plenty of acceleration

Extremely agile and playful handling

Disengageable ABS on the rear wheel for sporty riders

Surprisingly relaxed ergonomics even for taller riders

Height of entertainment value on winding roads

Engine needs at least 3000 rpm for smooth running

Surcharge-based pricing policy for the electronic driving aids somewhat annoying

Slight tendency towards nervousness - be careful at very high speeds with luggage

Aprilia Tuono 660 Factory 2025

Aprilia Tuono 660 Factory 2025

Unfortunately, our editors did not test this model.

Price Comparison Avarage Market Price KTM 990 Duke vs Aprilia Tuono 660 Factory

Price KTM 990 Duke

Model year
Current average market prices

Price Aprilia Tuono 660 Factory

Model year
Current average market prices

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