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2025 KTM 790 Adventure Overview
KTM 790 Adventure is an enduro / off-road motorcycle, displacing 799 cc. Power comes from a Four stroke, parallel twin cylinder, DOHC, 4 valve per cylinder engine, a compression ratio of 12.5:1. On the performance side, it delivers 95hp of peak power and 87 Nm of torque. On the road, the 2025 790 Adventure tips the scales at 203 kg, carries a 20-litre fuel tank, offers a seat height of 840 mm - 860 mm and spans a 1509 mm ± 15 mm wheelbase. That's roughly 33.4 kg heavier than the average enduro / off-road motorcycle in our database. The full 2025 KTM 790 Adventure spec sheet below covers every technical detail, from suspension travel to tyre sizes.
2025 KTM 790 Adventure compared with other bikes in the Enduro / Off-Road category
We checked the recorded figures for the 2025 KTM 790 Adventure against up to 1434 bikes in the Enduro / Off-Road category in our database, counting each model once at the model year nearest to this one.
- Only 136 of the other 799 bikes in the Enduro / Off-Road category have a higher power output than the 70.8 kW of the 790 Adventure.
- With 799 cc, the 790 Adventure has the joint 257th largest engine displacement of 1434 bikes in the Enduro / Off-Road category, 64% above the category average of 486 cc.
- Power-to-weight ratio of 349 W/kg is higher than that of 351 of the other 433 bikes in the Enduro / Off-Road category.
- Narrowing the field to the 145 models within five model years of it, the power output of 70.8 kW is higher than that of 81 of the other 144.
Versus the 2023 model
The figures we track are unchanged from the 2023 model: peak power, peak torque, displacement and seat height all match.
2025 790 Adventure - Pros & Cons
Strengths
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Strong power output: With 95hp and 87 Nm of torque on tap, the 790 Adventure is no slouch for its class.
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Strong front braking: Stopping power up front is strong thanks to the disc setup, with plenty of room to upgrade further with braided lines.
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Large fuel range: A 20-litre tank means fewer stops on longer rides - a genuine plus for touring or a lengthy daily commute.
Considerations
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Tall seat height: At 840 mm - 860 mm, shorter riders will likely be on tiptoes at a standstill - worth sitting on one before you buy.
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Chain final drive upkeep: Budget time for routine chain maintenance - it's cheap to replace but needs consistent attention to avoid premature sprocket wear.
Wear Points & Servicing Notes
Cooling system servicing
790 Adventure's Liquid cooled setup is low-maintenance provided the coolant interval is kept - old, acidic coolant is the main cause of long-term corrosion in the water passages.
Brake disc and pad wear
Braking up front comes from 2x 320mm discs, 2x radially mounted 4 piston caliper - solid stopping power, with disc and pad wear best checked on the same schedule as tyre changes.
Suspension condition on used examples
The 790 Adventure's suspension runs WP APEX 43 at the front. The rear uses WP APEX - Monoshock. Fork-seal condition and rear linkage play are the two things worth checking before buying used.
Final drive maintenance
The 790 Adventure uses chain final drive, which is cheap to replace but needs regular cleaning, lubrication and tension checks to get a full service life out of the sprockets.
Frame & chassis check
Built around a Chromium-Molybdenum-Steel frame using the engine as stressed element, powder coated, the 790 Adventure's chassis is straightforward to inspect: look for corrosion, cracks or repair welds around stress points like the head-stock and swingarm mounts.
790 Adventure - Buying & Maintenance Guide
What to check before buying
Before handing over money for a used 2025 KTM 790 Adventure with its 799 cc enduro / off-road, cover the fundamentals: service book and oil change history, drivetrain wear, and any sign of oil weeping around the casings. This model runs chain final drive, so check chain slack and sprocket tooth profile specifically - a worn sprocket is a cheaper fix now than after it's chewed up the next chain. Cold-starting it yourself tells you a lot - a healthy 790 Adventure should catch quickly and settle into a smooth idle.
Oil and filter changes
Nothing protects the 790 Adventure's 799 cc four stroke, parallel twin cylinder, dohc, 4 valve per cylinder like disciplined oil changes - stay on the manufacturer's schedule (roughly every 6,000 km or annually). With a 12.5:1 compression ratio, running the octane grade specified in the manual matters more than on a lower-compression engine. Match the viscosity grade to what the owner's manual specifies, not what's cheapest.
Carburetor upkeep
Deposits in the carbs are the usual culprit behind poor running on a stored 790 Adventure - strip and clean the float bowls before the first start. Pilot jets clog first and get overlooked most, so make a point of checking them.
2025 KTM 790 Adventure - Frequently Asked Questions
What engine does the 2025 KTM 790 Adventure have?
The 2025 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 2025 KTM 790 Adventure weigh?
The 2025 KTM 790 Adventure weighs 203 kg. This is the manufacturer's wet figure.
How much power does the 2025 KTM 790 Adventure make?
The 2025 KTM 790 Adventure produces 95hp of power and 87 Nm of torque. These are peak figures.
What is the fuel tank capacity of the 2025 KTM 790 Adventure?
The 2025 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 2025 KTM 790 Adventure suitable for shorter riders?
The 2025 KTM 790 Adventure has a seat height of 840 mm - 860 mm. 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 2025 KTM 790 Adventure have?
The 2025 KTM 790 Adventure uses 2x 320mm discs, 2x radially mounted 4 piston caliper at the front and single 260mm disc, 2 piston floating caliper at the rear.
What tyre sizes does the 2025 KTM 790 Adventure use?
The 2025 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 2025 KTM 790 Adventure have?
The 2025 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
87 Nm / 64.1 lb-ft
Fuel Capacity
20 Litres / 5.3 US gal
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Full 2025 KTM 790 Adventure Specifications
Year
2025
Make Model
KTM 790 Adventure
Seat Height
840 mm - 860 mm / 33.0 in - 33.8 in
Wheelbase
1509 mm ± 15 mm / 59.4 ± 0.6 in
Ground Clearance
233 mm / 9.2 in
Fuel Capacity
20 Litres / 5.3 US gal
Wet Weight
203 kg / 447 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
Compression Ratio
12.5:1
Cooling System
Liquid cooled
Emissions
Euro 5
Engine Management
Bosch EMS with RBW
Exhaust
Stainless steel primary and secondary silencer
Fuel Induction
DKK Dell'Orto, 46 mm Throttle Body
Lubrication
Forced oil lubrication with 2 oil pumps
Starter
Electric
Clutch
PASC (Power Assisted Slipper Clutch) antihopping clutch, mechanically operated
Final Drive
Chain 520 X-Ring
Primary Drive
45:16
Transmission / Drive
6 Speed
Frame Type
Chromium-Molybdenum-Steel frame using the engine as stressed element, powder coated
Suspension - Front
WP APEX 43
Suspension - Rear
WP APEX - Monoshock
Steering Head Angle
64.1°
Wheel Travel - Front
200 mm / 7.9 in
Wheel Travel - Rear
200 mm / 7.9 in
Brakes - Front
2x 320mm discs, 2x radially mounted 4 piston caliper
Brakes - Rear
Single 260mm disc, 2 piston floating caliper
ABS
Bosch 9.3 MP (incl. Cornering-ABS and off-road mode, disengageable)
Tyres - Front
90/90-21
Tyres - Rear
150/70-18
Wheels
Spoked wheels with aluminium tubeless rims
Wheels - Front
2.50 x 21
Wheels - Rear
4.50 x 18
Specifications are compiled from manufacturer documentation and cross-referenced
technical sources, and corrected on an ongoing basis.
Spot an error? Let us know.
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