2025 · Enduro · Buyer's Guide
The Enduro Name Fully Earned
The 390 Enduro R is built around a 399 cc liquid-cooled single making 45 hp and 29 lb-ft, tuned for pull through the middle rather than a headline peak. What lifts it above the usual small dual-sport is everything wrapped around that engine. You get a fully adjustable USD fork and shock with 9.0 inches of travel at each end, 10.7 inches of ground clearance, a 21-inch front and 18-inch rear on a 6-speed chain drive, plus a real electronics package: Bosch ABS, KTM Motorcycle Traction Control, Ride-by-Wire engine maps, and a TFT display to run them.
It rewards momentum instead of punishing mistakes, which is the whole point in technical terrain, and the long travel lets you ride a sloppy line without paying for it. That makes this the orange bike for a rider who wants genuine off-road capability without a race-machine learning curve, and it takes hard parts and upgrades well as your skills climb. The caveats are plain enough. Seat height is 35.0 inches, so shorter riders will be on tiptoes in a rutted section. The 2.4-gallon tank keeps your loops honest. Wet weight of 364 lb is light for the job, still real when you pick it up.
Spec sheets don't ride bikes, but they set the baseline.
| Power | 45 hp (33 kW) @ 8,500 rpm |
|---|---|
| Torque | 29 lb-ft (39 Nm) @ 7,000 rpm |
| Displacement | 399 cc |
| Engine | Single-cylinder |
| Cooling | Liquid-cooled |
| Gearbox | 6-speed |
| Final drive | Chain |
| Fork | Upside-down (USD) |
| Front brake | 285 mm |
| Front tire | 90/90-21 |
| Rear tire | 140/80-18 |
| Ground clearance | 10.7 in (272 mm) |
| Front travel | 9.0 in (229 mm) |
| Rear travel | 9.0 in (229 mm) |
| Seat height | 35.0 in (890 mm) |
| Wet weight | 364 lb (165 kg) |
| Fuel capacity | 2.4 gal (9 L) |
Equipment check
Chassis
Safety
The named systems that set this bike apart — and what each one does for you.
Braking
Rider aids
Swing a leg over and the first thing you register is how tall and narrow it is. The seat is firm and flat, the tank stays slim between your knees, and standing up feels like the intended position rather than a compromise. The bars land where your hands already are, and the pegs leave room to shift your weight around without renegotiating your whole body. The single has a dry, mechanical bark to it, and a steady buzz comes through the pegs once you are holding a road pace, a reminder of what you are actually sitting on. Weight carries low. Rolling, the 364 lb stops being a number and becomes a bike you can shove with your hips. Controls are light and obvious. After a couple of hours the thing you remember is the noise and the space to move.
Side stand spring may break
Engine harmonics can cause the side stand spring to break. If the side stand falls while riding, the ignition cuts and the stand may contact the ground, leading to a crash risk.
ECU software defect causing engine stall
A recall has been issued to update the engine control unit software because a defect can cause the engine to stall at low rpms, increasing crash risk.
Turn signal malfunction in cold temperatures
Several owners have reported that the turn signals stop working in cold weather. The issue appears intermittent and may be related to a sensor or relay.
Loose battery terminal causing intermittent no-start
Some units have been delivered with insufficiently tightened battery terminals, leading to sudden electrical cut-outs when attempting to start. Tightening the connection resolves the problem.
Where this KTM 390 Enduro R pulls ahead of — or falls behind — its rivals on the numbers, and the typical bike in its class on character.
Power
Torque
Displacement
Wet weight
Seat height
Forget spec-sheet bragging. Here's who the 390 Enduro R is actually built for.
This is your bike. Light enough to place precisely on slickrock, suspended well enough for sand whoops, and honest in the tight stuff. Plan your day around the 2.4-gallon tank and you are set.
Made for Bar M / Kane Creek · Imperial Sand Dunes · Johnson Valley OHV Area
It will handle any BDR dirt you point it at and thank you on the hard sections. The limit is logistics: a 2.4-gallon tank and a 35.0-inch seat make long transit days and fuel gaps your main planning problem.
Made for AZBDR — Arizona Backcountry Discovery Route · California BDR South · COBDR — Colorado Backcountry Discovery Route