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2020 KTM 790 Adventure Overview
The 2020 KTM 790 Adventure is an enduro / off-road motorcycle built around 799 cc of displacement. Under the tank sits a Four stroke, parallel twin cylinder, DOHC, 4 valve per cylinder engine. 2020 KTM 790 Adventure delivers 94hp of peak power and 88 Nm of torque. From a practical standpoint, the 2020 790 Adventure tips the scales at 203 kg, carries a 20-litre fuel tank, offers a seat height of 850 and spans a 1509 mm ± 15 mm wheelbase. Scroll down for the complete 2020 KTM 790 Adventure spec sheet covering every technical detail from suspension travel to tyre sizes.
2020 790 Adventure - Pros & Cons
Strengths
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Strong power output: 2020 KTM 790 Adventure makes 94hp with 88 Nm of torque - competitive figures for its class.
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Large fuel range: The 20-litre tank is generously sized, translating to extended range between stops - ideal for touring or longer commutes.
Considerations
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Tall seat height: The 850 seat height will challenge shorter riders - tiptoeing at low speeds is something to factor into your decision.
Owner Experiences & Common Issues
General ownership notes
The 2020 KTM 790 Adventure has built a reputation for solid everyday reliability when serviced to schedule. As with any motorcycle of this era, documented service history is the single biggest indicator of long-term reliability when buying used.
790 Adventure - Buying & Maintenance Guide
What to check before buying
When inspecting a used 2020 KTM 790 Adventure, start with the basics: check the service book for oil change frequency, inspect the chain and sprockets for wear, and look for oil seepage around the engine casings and rocker covers. A cold start test is invaluable - a well-maintained 790 Adventure should fire up cleanly and settle to a smooth idle within a few seconds.
Oil and filter changes
Regular oil changes are the single most important maintenance task on any 790 Adventure. Stick to the manufacturer's interval - typically every 6,000 km or once a year, whichever comes first. Always use the correct viscosity grade as specified in the owner's manual.
2020 KTM 790 Adventure - Frequently Asked Questions
What engine does the 2020 KTM 790 Adventure have?
The 2020 KTM 790 Adventure uses a Four stroke, parallel twin cylinder, DOHC, 4 valve per cylinder engine with 799 cc of displacement. It is liquid cooled.
How much does the 2020 KTM 790 Adventure weigh?
The 2020 KTM 790 Adventure weighs 203 kg. This is the manufacturer's wet figure.
How much power does the 2020 KTM 790 Adventure make?
The 2020 KTM 790 Adventure produces 94hp of power and 88 Nm of torque. These are peak figures.
What is the fuel tank capacity of the 2020 KTM 790 Adventure?
The 2020 KTM 790 Adventure has a 20-litre fuel tank. At around 5-6 litres per 100 km, that is roughly 333-400 km between stops.
Is the 2020 KTM 790 Adventure suitable for shorter riders?
The 2020 KTM 790 Adventure has a seat height of 850. This is towards the tall end of the spectrum and will require most riders under 175 cm to tiptoe at stops.
What brakes does the 2020 KTM 790 Adventure have?
The 2020 KTM 790 Adventure uses 2x 320mm discs. ABS at the front and Single 260mm disc. ABS at the rear.
What tyre sizes does the 2020 KTM 790 Adventure use?
The 2020 KTM 790 Adventure runs 90/90-21 front and 150/70-18 rear tyres. A good selection of sport, touring and all-weather rubber is available in these sizes.
What gearbox does the 2020 KTM 790 Adventure have?
The 2020 KTM 790 Adventure is fitted with a 6 Speed transmission.
KTM 790 Adventure Spec Evolution
The KTM 790 Adventure was produced across 4 model years (2019-2025). The table below highlights the key specifications that changed across the production run - useful whether you are comparing years or tracking down a specific variant.
| Specification |
2019 |
2020 |
2023 |
2025 |
| Max Power |
94hp / 70 kW @ |
94hp / 70 kW @ |
95hp / 70.8 kW |
95hp / 70.8 kW |
| Wet Weight |
203 kg / 448 lbs |
203 kg / 448 lbs |
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203 kg / 447 lbs |
| Dry Weight |
189 kg / 416.7 lbs |
189 kg / 416.7 lbs |
199 kg / 438.7 lbs |
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| Seat Height |
850 / 830 mm; 33.5 / 32.7 in |
850 / 830 mm; 33.5 / 32.7 in |
840 mm - 860 mm / 33.0 in - 33.8 in |
840 mm - 860 mm / 33.0 in - 33.8 in |
| Frame Type |
CroMoly Tubular Steel, Engine as Stressed Member, Subframe: CroMoly Steel Trellis |
CroMoly Tubular Steel, Engine as Stressed Member, Subframe: CroMoly Steel Trellis |
Chromium-Molybdenum-Steel frame using the engine as stressed element, powder coated |
Chromium-Molybdenum-Steel frame using the engine as stressed element, powder coated |
| Brakes - Front |
2x 320mm discs. ABS |
2x 320mm discs. ABS |
2x 320mm discs, 2x radially mounted 4 piston caliper |
2x 320mm discs, 2x radially mounted 4 piston caliper |
| Brakes - Rear |
Single 260mm disc. ABS |
Single 260mm disc. ABS |
Single 260mm disc, 2 piston floating caliper |
Single 260mm disc, 2 piston floating caliper |
| Suspension - Front |
APEX 43mm WP upside-down forks. |
APEX 43mm WP upside-down forks. |
WP APEX 43 |
WP APEX 43 |
Key Specifications
Engine
Four stroke, parallel twin cylinder, DOHC, 4 valve per cylinder
Torque
88 Nm / 65 lb-ft @
Fuel Capacity
20 Litres / 5.3 US gal
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Full 2020 KTM 790 Adventure Specifications
Year
2020
Make Model
KTM 790 Adventure
Seat Height
850 / 830 mm; 33.5 / 32.7 in
Wheelbase
1509 mm ± 15 mm / 59.4 ± 0.6 in
Ground Clearance
233 mm / 9.2 in
Dry Weight
189 kg / 416.7 lbs
Fuel Capacity
20 Litres / 5.3 US gal
Wet Weight
203 kg / 448 lbs
Displacement
799 cc / 48.7 cu-in
Engine Detail
Four stroke, parallel twin cylinder, DOHC, 4 valve per cylinder
Bore x Stroke
88 mm x 65.7 mm
Cooling System
Liquid cooled
Exhaust
Stainless steel primary and secondary silencer
Fuel Induction
DKK Dell'Orto, 46 mm Throttle Body
Ignition
Bosch EMS with Ride-By-Wire
Lubrication
Pressure Lubrication with Two Oil Pumps
Starter
Electric, 12V 10Ah
Clutch
PASC (Power Assisted Slipper Clutch), Mechanically Operated
Final Drive
Chain
Transmission / Drive
6 Speed
Frame Type
CroMoly Tubular Steel, Engine as Stressed Member, Subframe: CroMoly Steel Trellis
Suspension - Front
APEX 43mm WP upside-down forks.
Suspension - Rear
WP monoshock
Handlebar
Aluminum, Tapered, Ø 26/22 mm
Steering Head Angle
25.9°
Wheel Travel - Front
200 mm / 7.9 in
Wheel Travel - Rear
200 mm / 7.9 in
Brakes - Front
2x 320mm discs. ABS
Brakes - Rear
Single 260mm disc. ABS
Tyres - Front
90/90-21
Tyres - Rear
150/70-18
Wheels - Front
2.50 x 21",
Wheels - Rear
4.50 x 18"
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