![]()
No images available
Tap to enlarge
![]()
2025 KTM 390 Enduro R Overview
For 2025, KTM offers the 390 Enduro R as an enduro / off-road motorcycle with 398.7 cc on tap. The 2025 KTM 390 Enduro R is built around a Four stroke, single cylinder, DOHC with finger followers, 4 valves engine, a compression ratio of 12.6:1. Out on the road, the 390 Enduro R delivers 33 kW @ 8500 rpm of peak power and 39 Nm @ 7000 rpm of torque. In everyday use, the 2025 390 Enduro R tips the scales at 159 kg, carries a 9 L fuel tank and spans a 1475 mm wheelbase. That's roughly 10.6 kg lighter than the average enduro / off-road motorcycle in our database. Every technical detail, from suspension travel to tyre sizes, is covered in the full 2025 KTM 390 Enduro R spec sheet below.
2025 KTM 390 Enduro R compared with other bikes in the Enduro / Off-Road category
Measured against other bikes in the Enduro / Off-Road category in our database (up to 816 models, one entry per model), the 2025 KTM 390 Enduro R comes out as follows.
- With 39 Nm, the 390 Enduro R has the joint 308th lowest torque of 816 bikes in the Enduro / Off-Road category, 34% below the category average of 58.9 Nm.
- Power-to-weight ratio of 208 W/kg is lower than that of 231 of the other 433 bikes in the Enduro / Off-Road category.
- Narrowing the field to the 192 models within five model years of it, the torque of 39 Nm is lower than that of 149 of the other 191.
2025 390 Enduro R - Pros & Cons
Strengths
-
⚡
Strong power output: Peak output on the 390 Enduro R is 33 kW @ 8500 rpm and 39 Nm @ 7000 rpm of torque - strong numbers for what it is.
-
🔧
Fuel injection: No choke, no jetting, no altitude compensation to think about - fuel injection just works across a wider range of conditions than carburetion.
-
🛑
Strong front braking: The disc front brake bites hard and stays consistent - a solid foundation whether it's stock or upgraded with braided lines.
Considerations
-
⛽
Modest fuel capacity: A 9 L tank keeps things light but means budgeting for more frequent fuel stops on any longer ride.
-
⚙️
Chain final drive upkeep: A chain drivetrain is the most common setup in its class, but it's also the one that demands the most regular hands-on maintenance.
Wear Points & Servicing Notes
Cooling system servicing
With Liquid Cooled, thermal management is largely automatic, but the coolant has a service life of its own - replace it on the manufacturer's interval to protect the water passages and thermostat.
Fuelling & injector care
Fuelling on the 390 Enduro R comes from Bosch fuel injection. Cold starts and throttle response stay consistent across altitude and temperature, the main practical edge over a carbureted equivalent.
Brake disc and pad wear
Single 285 mm disc, Bybre caliper up front provides the primary stopping power; inspect disc thickness and pad wear at each tyre change to catch scoring before it becomes a rotor replacement.
Suspension condition on used examples
Suspension duties are handled by 43mm WP APEX 43, open cartridge, compression and rebound adjustable up front and WP APEX - Monoshock, split piston, rebound and preload adjustable at the rear. Weeping fork seals aren't a dealbreaker on a used bike, but they're a fair basis for negotiating price.
Final drive maintenance
Chain final drive on the 390 Enduro R means routine lubing and tension checks are part of ownership - skip them and sprocket wear accelerates noticeably.
Frame & chassis check
The Steel trellis frame, powder coated chassis holds up well with normal use; on a used bike it's still worth checking the head-stock and swingarm pivot area for impact damage or corrosion.
390 Enduro R - Buying & Maintenance Guide
What to check before buying
A pre-purchase check on the 2025 KTM 390 Enduro R with its 398.7 cc enduro / off-road should cover the same ground every time: service history, drivetrain condition, and any oil seepage 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. Start it from cold if you can - a well-kept 390 Enduro R settles to a smooth idle within seconds.
Oil and filter changes
Oil changes are the cheapest insurance you can buy for the 390 Enduro R's 398.7 cc four stroke, single cylinder, dohc with finger followers, 4 valves - keep to the manufacturer's interval rather than stretching it. With a 12.6:1 compression ratio, running the octane grade specified in the manual matters more than on a lower-compression engine. Use the viscosity grade the manual specifies, not whatever's on sale.
Fuel system care
Injector systems like the 390 Enduro R's hold up well with basic care - decent fuel, an occasional cleaner additive, and draining old fuel before any layup longer than three months.
2025 KTM 390 Enduro R - Frequently Asked Questions
What engine does the 2025 KTM 390 Enduro R have?
The 2025 KTM 390 Enduro R uses a Four stroke, single cylinder, DOHC with finger followers, 4 valves engine with 398.7 cc of displacement. It is liquid cooled.
How much does the 2025 KTM 390 Enduro R weigh?
The 2025 KTM 390 Enduro R weighs 159 kg. This is the manufacturer's wet figure.
How much power does the 2025 KTM 390 Enduro R make?
The 2025 KTM 390 Enduro R produces 33 kW @ 8500 rpm of power and 39 Nm @ 7000 rpm of torque. These are peak figures.
What is the fuel tank capacity of the 2025 KTM 390 Enduro R?
The 2025 KTM 390 Enduro R has a 9 L fuel tank. At around 5-6 litres per 100 km, that is roughly 150-180 km between stops.
What brakes does the 2025 KTM 390 Enduro R have?
The 2025 KTM 390 Enduro R uses single 285 mm disc, Bybre caliper at the front and single 240 mm disc, Bybre 1 piston caliper at the rear.
What tyre sizes does the 2025 KTM 390 Enduro R use?
The 2025 KTM 390 Enduro R runs 90/90 x 21 front and 140/80 x 18 rear tyres. A good selection of sport, touring and all-weather rubber is available in these sizes.
What gearbox does the 2025 KTM 390 Enduro R have?
The 2025 KTM 390 Enduro R is fitted with a 6 Speed transmission.
Key Specifications
Engine
Four stroke, single cylinder, DOHC with finger followers, 4 valves
Power
33 kW / 44.3 hp @ 8500 rpm
Torque
39 Nm / 28.7 lb-ft @ 7000 rpm
Fuel Capacity
9 L / 2.4 US gal
Advertisement
Full 2025 KTM 390 Enduro R Specifications
Year
2025
Make Model
KTM 390 Enduro R
Wheelbase
1475 mm / 57.2 in
Ground Clearance
272 mm / 10.7 in
Fuel Capacity
9 L / 2.4 US gal
Wet Weight
159 kg / 351 lbs
Displacement
398.7 cc / 24.3 cu-in
Engine Detail
Four stroke, single cylinder, DOHC with finger followers, 4 valves
Bore x Stroke
89 x 64 mm
Compression Ratio
12.6:1
Cooling System
Liquid Cooled
Emissions
EURO 5+
Engine Management
Bosch EMS with RBW
Fuel Induction
Bosch fuel injection, 46 mm throttle body
Lubrication
Wet sump
Starter
Electric
Clutch
Wet multiplate clutch, mechanically operated
Final Drive
Chain 520-X Ring
Primary Drive
86:33
Transmission / Drive
6 Speed
Frame Type
Steel trellis frame, powder coated
Suspension - Front
43mm WP APEX 43, open cartridge, compression and rebound adjustable
Suspension - Rear
WP APEX - Monoshock, split piston, rebound and preload adjustable
Steering Head Angle
63.1°
Wheel Travel - Front
231 mm / 9.1 in
Wheel Travel - Rear
231 mm / 9.1 in
Brakes - Front
Single 285 mm disc, Bybre caliper
Brakes - Rear
Single 240 mm disc, Bybre 1 piston caliper
ABS
Bosch 10.3 Modular with Offroad mode
Tyres - Front
90/90 x 21
Tyres - Rear
140/80 x 18
Wheels
Wire spoke, aluminium rims
Wheels - Front
21 x 1.85
Wheels - Rear
18 x 2.5
Specifications are compiled from manufacturer documentation and cross-referenced
technical sources, and corrected on an ongoing basis.
Spot an error? Let us know.
Advertisement