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KTM 1390 Super Adventure S Evo 2026: Review, Test, Specs, and Reliability Analysis
KTM 1390 Super Adventure S Evo 2026: Review, Test, Specs, and Reliability Analysis
The KTM 1390 Super Adventure S Evo 2026, unveiled at EICMA 2024 and now available, represents the pinnacle of the Austrian manufacturer’s "More is More" philosophy. With a boosted engine, the revolutionary Automated Manual Transmission (AMT), and an array of radar-controlled assistance systems, this bike stands as the most technologically advanced maxi-enduro on the market. Priced at €23,580, it competes directly with flagship models like the Ducati Multistrada V4 S and the BMW R 1300 GS.
Engine and Performance: The Power of the 1350 V-Twin
The heart of the S Evo is the 1,350cc LC8 75° V-twin, an evolution of the legendary 950 Adventure block. By increasing the bore and utilizing larger throttle bodies, displacement has grown by 49cc over the 1290, bringing peak power to 173 hp and torque to 145 Nm (107 lb-ft).
Technical Highlight: Camshift Technology
The most significant mechanical innovation is the Camshift system, a variable valve timing mechanism that switches between two intake valve lift profiles at 6,500 rpm via a sliding sleeve.
The Pros: This system gives the engine a dual personality: a smooth, tractable throttle response at low revs (perfect for city or relaxed riding) and a ferocious, relentless surge at higher RPMs. The transition between the two profiles is seamless, without noticeable torque "steps."
The Automated Manual Transmission (AMT): Love or Hate?
The KTM AMT is the defining feature of the S Evo riding experience.
AMT Advantages:
Versatility: Riders can choose between Fully Automatic (with Street, Sport, and Rain maps) and Manual modes, using the conventional foot lever or handlebar paddles.
Adaptability: In automatic mode, the system adjusts shift logic based on throttle aggression and lean angle, holding gears longer during spirited riding.
Added Utility: The centrifugal clutch eliminates the clutch lever entirely, includes a "kick down" feature for rapid overtakes, and a dedicated "Park" mode.
AMT Cons and Issues:
Low-Speed Roughness: Some testers noted that in automatic mode, particularly at low speeds and in urban traffic, gear changes (especially downshifts) can occur with a noticeable mechanical "clunk."
Aggressive Upshifting: Unless set to "Sport" mode, the system tends to engage higher gears faster than an experienced rider might prefer.
Chassis, Braking, and Comfort
The S Evo features a stiffer steel frame and the latest WP SAT (Semi-Active Technology) suspension, offering refined hydraulic control with high and low-speed compression adjustment.
Stability and Control: The rigid chassis and WP suspension keep the bike composed in corners, providing a "planted" feel even at high speeds.
Braking: The Brembo system, updated with a new master cylinder and specific pads, offers high-level bite and feedback.
Ergonomics: Comfort has been improved with a 30mm wider handlebar and 8mm lower footpegs, optimizing the bike for long-haul travel.
Handling Note: While stable, the bike is not the quickest to tip into corners, requiring a bit more "arm work" during rapid directional changes compared to more "flickable" rivals.
Technology: A "Mind-Boggling Array"
The cockpit is dominated by a vertical 8-inch touchscreen TFT display, which remains usable with gloves and acts as the command center for all systems.
Adaptive Cruise Control (ACC) & Radar: The 5th Gen Bosch Radar introduces advanced functions like Stop & Go for traffic and Group Ride mode, which detects motorcycles in a convoy to prevent unnecessary braking.
Features: Full keyless system, integrated Offline Map navigation, and an improved smartphone compartment with USB-C.
Reliability and Quality Control: The KTM "Critical Factor"
While the 1390 S Evo has been praised by professionals, KTM has historically faced scrutiny regarding initial reliability and quality control—a point highlighted by enthusiasts in early online reviews:
Electrical & Connection Issues: Some owners of the 1390 engine (also found in the Super Duke) have reported electrical glitches, quickshifter malfunctions, or traction control errors due to faulty wiring harnesses or poor relay connections.
Quality Control Rare Cases: Isolated reports have surfaced regarding assembly oversights, emphasizing the importance of a thorough Pre-Delivery Inspection (PDI).
Complexity and Cost: The vast array of electronic settings (many locked behind the €1,000 Tech Pack) may be overwhelming, and maintenance costs for such a complex machine are expected to be high.
KTM’s Response: To rebuild trust, KTM is offering an extended 4-year factory warranty and a significantly prolonged 60,000 km valve clearance interval.
Final Verdict
The KTM 1390 Super Adventure S Evo 2026 is a powerhouse of performance and technology, sitting at the top of its class. However, past experiences suggest that early adopters should closely monitor initial production units for potential "teething issues" or software bugs, especially given the density of interconnected electronic systems.