Triumph Trident 660 2026 vs. KTM 990 Duke 2025

Triumph Trident 660 2026

Triumph Trident 660 2026

KTM 990 Duke 2025

KTM 990 Duke 2025

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Technical Specifications Triumph Trident 660 2026 compared to KTM 990 Duke 2025

Triumph Trident 660 2026
KTM 990 Duke 2025
Triumph Trident 660 2026
Triumph Trident 660 2026
KTM 990 Duke 2025
KTM 990 Duke 2025

Engine and Drive Train

BoreBore74 mmBore92.5 mm
StrokeStroke51.1 mmStroke70.4 mm
Engine powerEngine power95 HPEngine power123 HP
Rpm at Max. PowerRpm at Max. Power11,250 rpmRpm at Max. Power9,500 rpm
TorqueTorque68 NmTorque103 Nm
Rpm at TorqueRpm at Torque8,250 rpmRpm at Torque6,750 rpm
Compression RatioCompression Ratio12 Compression Ratio13.5
StarterStarterElectricStarterElectric
Clutch TypeClutch TypeMultiplate in oil-bath, Antihopping, Clutch TypeAntihopping
TransmissionTransmissionChainTransmissionChain
Transmission TypeTransmission TypeGearshiftTransmission TypeGearshift
Number of gearsNumber of gears6Number of gears6
CylindersCylinders3Cylinders2
StrokesStrokes4-StrokeStrokes4-Stroke
Valves per cylinderValves per cylinder4Valves per cylinder4
ValvesValvesDOHCValvesDOHC
CoolingCoolingliquidCoolingliquid
DisplacementDisplacement660 ccmDisplacement947 ccm

Suspension Front

BrandBrandShowaBrandWP
TravelTravel120 mmTravel140 mm

Suspension Rear

Shock absorberShock absorberMonoshockShock absorberMonoshock
BrandBrandShowaBrandWP
TravelTravel130 mmTravel150 mm
AdjustmentAdjustmentPreload, ReboundAdjustmentPreload, Rebound

Chassis

FrameFrameSteelFrameChromium-molybdenum
RakeRake24.5 degreeRake65.8 degree
TrailTrail108 mmTrail100 mm

Brakes Front

TypeTypeDouble diskTypeDouble disk
DiameterDiameter310 mmDiameter300 mm
PistonPistonDouble pistonPistonFour pistons

Brakes Rear

TypeTypeDiscTypeDisc
DiameterDiameter255 mmDiameter240 mm
PistonPistonSingle pistonPistonDouble piston

Assistance Systems

Advanced Rider Assistance SystemsAdvanced Rider Assistance SystemsABS, Riding modes, Cornering ABS, Ride by Wire, Quickshifter, Shift assistant with blipper, Cruise control, Traction control, Advanced Rider Assistance SystemsABS, Riding modes, Cornering ABS, Traction control

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 height55 %
Rear tyre diameterRear tyre diameter17 inchRear tyre diameter17 inch
WheelbaseWheelbase1,402 mmWheelbase1,476 mm
Seat HeightSeat Height810 mmSeat Height825 mm
Kerb Weight (with ABS)Kerb Weight (with ABS)195 kgKerb Weight (with ABS)190 kg
Fuel Tank CapacityFuel Tank Capacity14 lFuel Tank Capacity14.5 l
RangeRange304 kmRange314 km
Combined CO2 emissionsCombined CO2 emissions110 g/kmCombined CO2 emissions110 g/km
Combined fuel consumptionCombined fuel consumption4.9 l/100kmCombined fuel consumption4.7 l/100km

Equipment

EquipmentEquipmentLED-Headlights, TFT display, , EquipmentLED-Headlights

Pros and Cons in comparison

Pros and Cons in comparison

Triumph Trident 660 2026

Triumph Trident 660 2026

The Triumph Trident 660 remains the clever naked bike in the mid-range in 2025. Successful electronics upgrade, increased comfort, suitability for everyday use confirmed. Only the dynamics and suspension leave a little to be desired for riders with sporting ambitions. Anyone looking for a well-balanced, technically well-equipped naked bike will find a strong partner in the Trident 660.

Balanced handling

high-quality electronics & quickshifter as standard

effective cruise control

well-modulated brakes

attractive three-cylinder sound

solid suitability for everyday use

low weight

safety-relevant Advanced Rider Assistance Systems as standard, great engine

Traction control is too conservative even in Sport mode

quickshifter reacts sensitively to imprecise shifting impulses

hook spanner required for suspension adjustment

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 only 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

Price Comparison Avarage Market Price Triumph Trident 660 vs KTM 990 Duke

Price Triumph Trident 660

Model year
Current average market prices

Price KTM 990 Duke

Model year
Current average market prices

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