Adventure Motorcycles
2025KTM 390 Adventure X
32 fields on record
The 2025 KTM 390 Adventure X is the road-biased, lower-priced version of the second-generation 390 Adventure. It shares the R's 398.7cc liquid-cooled single (44.4hp, 39Nm, six speeds) but uses 200mm-travel WP APEX suspension, 19/17-inch wheels on 100/90-19 and 130/80-17 tyres and a lower 825mm seat. Wet weight is 176kg and the tank holds 14 litres.
- Capacity
- 398.7 ccm
- Engine
- Single, four-stroke
- Gearbox
- 6-speed
- Wet weight
- 176.0 kg
- Seat height
- 825 mm
- Power
- 44.4 HP (33.1 kW) @ 8500 RPM
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- Built primarily for mixed on-road and light off-road adventure riding, commuting, and weekend exploring.
- Built for
- A nimble, torquey single-cylinder trail-friendly ADV that favors agility and rider engagement over outright speed.
- Not ideal for
- Not ideal for riders seeking high-speed highway cruising, heavy long-distance two-up touring, or track-focused performance.
Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.
Will it fit you?
Worked out in your browser - nothing is sent to usEngine
- Capacity
- 398.7 ccm
- Power
- 44.4 HP (33.1 kW) @ 8500 RPM
- Torque
- 39.0 Nm (4.0 kgf-m) @ 7000 RPM
- Engine type
- Single, four-stroke
- Power/weight ratio
- 0.2523 HP/kg (wet)
- Bore x stroke
- 89.0 x 64.0 mm
- Cooling system
- Liquid
- Fuel system
- Injection
- Aspiration
- Naturally aspirated
- Valves per cylinder
- 4
Transmission
- Gearbox
- 6-speed
- Transmission type
- Manual
Dimensions & weight
- Wheelbase
- 1464 mm
- Seat height
- 825 mm
- Wet weight
- 176.0 kg
- Fuel capacity
- 14.00 litres
- Ground clearance
- 232 mm
- Dry weight
- Not on record - add it
Chassis & suspension
- Frame
- Steel trellis frame, powder coated
- Front suspension
- WP APEX open cartridge 43mm
- Rear suspension
- WP APEX Emulsion
- Front wheel travel
- 200 mm
- Rear wheel travel
- 200 mm
- Trail
- 99 mm
Brakes & wheels
- Front brakes
- Bybre axial floating calipers with 2 pistons
- Front brakes diameter
- 320 mm
- Rear brakes
- Bybre floating caliper 1 piston
- Rear brakes diameter
- 240 mm
- Front tyre
- 100/90-19
- Front Wheel
- 19.0 in
- Rear tyre
- 130/80-17
- Rear Wheel
- 17.0 in
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 | 2025 | 2026 |
|---|---|---|
| Capacity | 399 cc | 399 cc |
| Seat height | 825 mm | 825 mm |
| Fuel capacity | 14 L | 14 L |
Illustrative - generated automatically by diffing the year records already on file, not a manufacturer-published changelog.
Safety Recalls
⚠ 2 recalls may applySTRUCTURE:MOTORCYCLE:KICKSTAND/CENTER STANDDec 2025 · 25V907000
KTM North America, Inc. (KTM) is recalling certain 2025 390 Adventure R, 390 SMC R, 390 Adventure X, and 390 Enduro R motorcycles. Engine vibrations may cause the side stand spring to break and the side stand to fall to the ground.
Risk: A motorcycle side stand that falls to the ground while riding can shut off the ignition, increasing the risk of a crash or injury.
Remedy: Owners are advised to secure the side stand before riding the motorcycle until the remedy has been completed. Dealers will replace the side stand spring and install a new side stand sensor retaining plate, free of charge. Owner notification letters are expected to be mailed on February 17, 2026. Owners may contact KTM customer service at 1-888-985-6090. The manufacturer's number for this recall is KTB2514. The information in your report suggests that KTM North America, Inc. (KTM) may have been aware of this issue more than five business days before filing a report with NHTSA. Please be reminded that under Federal law, this agency is to be notified of all safety defect and/or noncompliance decisions within five business days. 49 CFR 573.6. Significant civil penalties can be assessed for this violation.
ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM):SOFTWAREDec 2025 · 25V825000
KTM North America, Inc. (KTM) is recalling certain 2024 Husqvarna Vitpilen 401, Husqvarna Svartpilen 401, 2024-2025 390 Duke, 2025 390 SMC R, 390 Enduro R, 390 Adventure X, and 390 Adventure R motorcycles. The engine control software may cause the engine to stall at low rpms, resulting in a loss of power.
Risk: A loss of drive power increases the risk of a crash or injury.
Remedy: KTM and Husqvarna dealers will inspect the motorcycles and update the electronic control unit engine management system (ECU EMS) software, free of charge. Owner notification letters were mailed January 23, 2026. Owners may contact KTM customer service at 1-888-985-6090. The manufacturer's numbers for this recall are KTB2513 & HTB2508.
These recalls cover some 2025 bikes of this model. Whether one applies to a specific bike, and whether the repair has already been done, depends on its VIN — check your VIN with NHTSA or ask a dealer.
Source: NHTSA. View all KTM recalls →
Rider Reviews
Common questions
What is the engine size of the KTM 390 Adventure X?
The 2025 KTM 390 Adventure X has a Capacity of 398.7 ccm (24.33 cubic inches).
What engine power does the KTM 390 Adventure X have?
The 2025 KTM 390 Adventure X has a Power of 44.4 HP (33.1 kW) @ 8500 RPM.
How many gears does the KTM 390 Adventure X have?
The 2025 KTM 390 Adventure X has a Gearbox of 6-speed.
What is the torque of the KTM 390 Adventure X?
The 2025 KTM 390 Adventure X has a Torque of 39.0 Nm (4.0 kgf-m or 28.8 ft.lbs) @ 7000 RPM.
How much does the KTM 390 Adventure X weigh?
The 2025 KTM 390 Adventure X has a Wet weight of 176.0 kg (388.0 pounds).
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