When it comes to covering massive distances across unforgiving landscapes, few motorcycles command the dirt quite like KTM’s flagship adventure lineup. We took the highly anticipated 2026 KTM 1390 Super Adventure R out to the wide-open expanse of Eastern Oregon for the 15th annual Giant Loop Rally. Over days of brutal testing, high-speed fire roads, and technical mountain climbs, this machine proved exactly why it remains a titan in the premium ADV segment.
Conquering Eastern Oregon at the Giant Loop Rally
Based out of the Crane Hot Springs, the Giant Loop Rally is a premier gathering for dual-sport and adventure riders looking to test their limits. The terrain in this pocket of the Pacific Northwest demands versatility. One moment you are drifting across dry, cracked lake beds that resemble a Martian landscape; the next, you are navigating technical, rocky hill climbs tucked tightly inside dense pine forests.
A route like this requires a motorcycle that can seamlessly transition from a highway mile-burner to a rugged dirt-shredder. The 1390 Super Adventure R did not just survive these conditions—it dominated them.
Power, Range, and Performance
At the heart of the 1390 Super Adventure R lies KTM’s legendary 1,350cc, 75-degree LC8 V-twin engine. Pumping out an astonishing 150 horsepower directly to the rear tire, the power delivery is nothing short of explosive. On the vast gravel fire roads, clicking the bike into its dedicated Rally Mode unlocks a flat-track experience unlike any other. By backing down the traction control interference and minimizing engine braking, the bike becomes an absolute weapon, effortlessly breaking the rear tire loose and sliding through sweeping bends at speeds upwards of 80 mph.
Yet, for all its blistering speed, the LC8 engine remains incredibly tractable. During steep, rocky hill climbs, the engine generates so much low-end torque that riders can afford to be incredibly lazy with gear selection. You can effectively click it into a higher gear, roll on the throttle, and let the V-twin lug you straight to the peak.
Equally crucial for remote backcountry exploration is range. KTM outfits this beast with a generous 6.1-gallon fuel tank. Averaging a highly respectable 39 to 40 mpg throughout our aggressive test loops, the bike easily cleared 140-to-150-mile days with plenty of reserve fuel left in the tank.
Suspension and Handling in the Real World
Weighing in around the 545–550 lbs mark fully fueled, the Super Adventure R is undeniably a big machine. However, its engineering helps it dance remarkably well for its size. The bike features fully adjustable WP suspension designed to soak up extreme off-road abuse.
During our testing, we experimented by dialing in +3 clicks of spring preload on the front forks to unweight the front end. While the modification didn’t radically alter the standard ride height feel, it provided invaluable extra hold-up and tension. This added insurance paid off when hitting hidden embedded rocks at speed, keeping the front suspension from bottoming out and maintaining chassis stability through harsh impacts.
Areas for Improvement
No motorcycle is perfect, and a few minor gripes emerged during our intense off-road loops. While the hydraulic clutch offers excellent, progressive engagement, the actual lever pull is on the heavier side. If you find yourself stuck in tight, first-gear rock crawling scenarios that require constant feathering, your forearm will certainly feel the workout.
Additionally, the transmission can feel a tad sloppy when clicking through the gears. Given that KTM has evolved this specific powertrain architecture over decades, we know they are capable of razor-sharp gearboxes—as evidenced by their ultra-crisp 790 and 890 parallel-twin platforms. A slightly tighter, more precise shift mechanism would elevate the 1390’s riding experience even further.
Technology and Comfort
For the tech-focused rider, the bike comes standard with a massive, vertically oriented digital dashboard. While some purists might argue that having what looks like an iPad bolted to your handlebars is a bit of overkill for rugged off-road riding, the crystal-clear display makes swapping riding modes, adjusting ABS parameters, and monitoring bike diagnostics seamless on the fly.
Ergonomically, the 1390 Super Adventure R is a masterclass in long-distance comfort. Whether locked into a seated position for highway transits or standing tall on the footpegs to navigate deep mud pits and loose single-track, the rider triangle feels natural, spacious, and fatigue-free.
Final Verdict
If your idea of adventure touring involves conquering hundreds of miles of remote, high-speed dirt trails without sacrificing premium highway comfort, the 2026 KTM 1390 Super Adventure R is easily one of the top three motorcycles on the planet for the job. It transforms rugged terrain into your personal playground.
2026 KTM 1390 Super Adventure R Technical Specifications
| Parameter | Manufacturer Specification |
| Engine Type | 1,350cc, 75-degree V-twin, liquid-cooled, 4-stroke |
| Horsepower | 150 hp (at the rear tire) |
| Fuel Capacity | 6.1 gallons (approx. 23 liters) |
| Estimated Fuel Economy | 39–40 mpg |
| Suspension | Premium fully adjustable WP off-road suspension |
| Riding Modes | Street, Sport, Rain, Off-Road, Rally Mode (Customizable) |
| Estimated Weight | ~545 lbs (Fully fueled) |
| U.S. MSRP | Starting at $22,000 |
| Warranty | 4-Year Manufacturer Limited Warranty |
