Naked Motorcycles

2020KTM 790 Duke

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The 2020 KTM 790 Duke is a middleweight naked bike engineered for aggressive street riders seeking a refined balance of performance and agility. Known for its razor-sharp handling and punchy 799cc parallel-twin engine, the Duke excels in urban environments and spirited road riding. Its lightweight chassis, sharp styling, and responsive character make it ideal for experienced riders prioritizing control and rideability over raw power.

Capacity: 799.0 ccm
Engine: Parallel Twin, four-stroke
Gearbox: 6-speed
Dry weight: 169.0 kg
Seat height: 825 mm
Power: 103.3 HP (77.0 kW) @ 9000 RPM

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What’s new for the 2020 KTM 790 Duke

vs the 2019

Spec	2019	2020
Torque	87.0 Nm (8.9 kgf-m or 64.2 ft.lbs) @ 8000 RPM	87.0 Nm (8.9 kgf-m or 64.2 ft.lbs)
Front brakes	Single disc. ABS	Double disc. ABS

Other years 2018 2019 2020 2021 2022 2023 2024 2025 2026 2027

How it rides

Editorial estimate from the spec sheet - not lab tested

Off-road & trail25%

Cornering92%

City riding85%

Daily riding78%

Touring45%

Two-up40%

Track75%

Best for: Designed as a sharp, lightweight streetfighter for spirited commuting, twisty backroads and occasional trackday fun.
Built for: Playful, aggressive and eager to change direction, with a torquey parallel twin that rewards an energetic riding style.
Not ideal for: Not the right choice for riders seeking long-distance comfort, pillion-friendly touring, or serious off-road capability.

Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.

Will it fit you?

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Your height

Inseam (optional)

Units

At 825mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with balls of both feet on the 2020 KTM 790 Duke, with a relaxed knee angle of around 130 degrees and a forward-leaning riding position.

Assumes about 30mm of suspension sag once seated. This is an approximation from category-typical geometry, not a measurement of this bike or of you - sit on one before you buy.

More bikes at 821-900 mm — Long Legs →

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Range and running costs

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Units

Currency

Fuel per litre

Riding a year

Based on the published US (EPA-style) fuel economy estimate and tank size. Real-world figures depend on how and where you ride, and the last litres of a tank are reserve. Prices shown greyed are examples - type your own.

Full specifications

Engine

Capacity: 799.0 ccm
Power: 103.3 HP (77.0 kW) @ 9000 RPM
CO2 Emissions: 126 CO2 g/km
EPA Certificate No.: LKTXC0.80PTW-003
EPA Est. Fuel Consumption: 5.38 L/100km (43.7 US mpg)
EPA CO Emissions: 1.4 CO g/km
Torque: 87.0 Nm (8.9 kgf-m)
Engine type: Parallel Twin, four-stroke
Power/weight ratio: 0.6112 HP/kg (dry)
Bore x stroke: 88.0 x 65.7 mm
Cooling system: Liquid
Fuel system: Injection
Starting: Electric
Ignition: Bosch EMS with RBW
Aspiration: Naturally aspirated
Valves per cylinder: 4
Lubrication system: Forced oil lubrication with 2 oil pumps
Spark plugs: LMAR9AI-10

Transmission

Gearbox: 6-speed
Transmission type: Manual
Final drive: Chain
Clutch: PASC™ antihopping clutch, mechanically operated
Sprockets: 16/41 (front/rear)
Chain size: 520

Performance

0-60 mph: 3.10 seconds
0-100 km/h (0-62 mph): 3.30 seconds

Dimensions & weight

Wheelbase: 1475 mm
Seat height: 825 mm
Dry weight: 169.0 kg
Wet weight: 187.0 kg
Fuel capacity: 14.00 litres
Ground clearance: 186 mm
Oil capacity: 2.80 litres
Reserve fuel capacity: 4.40 litres

Chassis & suspension

Frame: Chromium-Molybdenum-Steel frame using the engine as stressed element, powder coated
Front suspension: WP upside-down
Rear suspension: WP shock absorber with Pro-Lever linkage
Front wheel travel: 140 mm
Rear wheel travel: 150 mm
Rake (fork angle): 24.0°
Trail: 100 mm
Fork tube size: 43 mm

Brakes & wheels

Front brakes: Double disc. ABS
Front brakes diameter: 300 mm
Rear brakes: Single disc. ABS
ABS: Yes
Front tyre: 120/70-17
Rear tyre: 180/55-17
Brake fluid: DOT 4 or 5.1
Tire pressure front: 33 PSI (2.3 Bar or 230 kPa)
Tire pressure rear: 38 PSI (2.6 Bar or 260 kPa)

Other

Color options: Orange, black

Specs last verified against published sources: October 2026.

Compiled from manufacturer documentation and user contributions, corrected on an ongoing basis. Spotted something wrong? Tell us.

What changed, year to year

Differences highlighted

Specification	2018	2020	2023	2025	2027
Capacity	790 cc	799 cc	799 cc	799 cc	799 cc
Dry weight	169 kg	169 kg	174 kg	174 kg	169 kg
Seat height	825 mm	825 mm	825 mm	825 mm	825 mm
Fuel capacity	14 L	14 L	14 L	14 L	14 L

Illustrative - generated automatically by diffing the year records already on file, not a manufacturer-published changelog.

Rider Reviews

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MotorcycleDB

The 2020 KTM 790 Duke is a high-performance motorcycle that delivers on both power and agility. With its 799cc parallel-twin engine, this bike offers impressive acceleration and smooth power delivery. The lightweight chassis and responsive handling make it a joy to ride, whether you're zipping through city streets or taking on twisty back roads. The sleek, aggressive design and premium components make the KTM 790 Duke a standout in its class.

In addition to its performance capabilities, the 2020 KTM 790 Duke also features advanced technology such as ride-by-wire throttle, traction control, and multiple riding modes. These features enhance the overall riding experience and provide added confidence and control. With its combination of power, precision, and advanced technology, the KTM 790 Duke is a top choice for riders looking for a high-performance naked bike.

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