KTM 1390 Super Duke R Test 2024

It has been a good 18 years since the first Super Duke was introduced, and many people can probably still recall KTM's initial powerhouse. The old 990 engine, with just under 1000cc, 119hp, and 100NM, was much tamer in terms of performance compared to the current model, but it still made a big impact at the time. With its power and sporty look, it became a sought-after gem on our roads. However, the engine was far from meeting today's standards in terms of smoothness. This all changed dramatically in 2014 with the introduction of the new 1290 engine. Not only did the completely revamped V2, with a significantly larger displacement, excel in power and torque, but its smooth operation was unmatched for a V2 in its class. That's why this engine still serves as the foundation for KTM's latest model, the new 1390 Super Duke R.

As mentioned earlier, many components from the previous model have been reused in the new KTM Naked Bike. However, one significant change is the increase in bore size, leading to a displacement of 1350cc. Additionally, a shift cam system has been introduced, allowing for the switching between two different camshaft profiles. This adjustment has helped meet the stricter emissions regulations while optimizing power delivery, especially at higher RPMs. The larger two-cylinder engine faces challenges with emissions standards, making it harder to optimize combustion and exhaust gases compared to a similar-sized four-cylinder engine. This is one reason why KTM has chosen to move towards more cylinders. The Shift Cam technology in the new Super Duke model switches to a more aggressive cam profile around 6,000 rpm, increasing peak power at the top end without sacrificing lower-end performance. The engine also features larger throttle valves to accommodate the increased air intake, while reducing the height of the throttle valve unit to allow for a larger airbox volume. The result is impressive: 190 hp at 10,000 rpm and 145 Nm at 8,000 rpm, promising exhilarating acceleration without compromising tire grip. To ensure proper cooling for this powerful engine, especially in hot conditions, the radiator has been widened by approximately 1.5 cm for added safety.

After the KTM 1290 had to endure slight losses in the high-speed range due to its very long overall gear ratio, KTM has adjusted the transmission on the new KTM 1390 by shortening the 5th and 6th gears. This adjustment has not only resulted in a more practical overall gear ratio with increased pulling power, but also reduced speed gaps in the final two gear steps.

Today, electronics are essential for motorcycles, and this segment has seen further developments to optimize the riding aids. These aids can be customized to the rider's preferences through the display in each riding mode. Advanced riding modes are available, allowing for individually tailored riding aids and different throttle maps. This enables adjustments to the engine's response in relation to the throttle input. The traction control can be adjusted on the go using buttons on the left side, labeled "+" and "-". For the daring riders, the riding aids can be completely deactivated to fully experience the engine's potential. Menu navigation has been simplified for more intuitive operation, making it easier to access desired submenus through a central multi-way switch.

The frame of the KTM Naked Bike has been redesigned to be even stiffer and slightly modified in shape. This redesign has also enabled the tank to be enlarged and improved the ergonomics of the knee area.

But now we come to what is probably the most striking change to the new KTM Naked Bike, the headlight. Even if opinions are divided and many people are against it, KTM has actually already won because of the countless discussions about it. More attention can hardly be achieved. Apart from the design, the headlight also has technical advantages. Not only has it become 0.7 kg lighter, but the illumination has also been significantly improved, especially at the sides. An additional brightness sensor continuously adjusts the light intensity to the ambient light.

Another highlight of the KTM Naked Bike is the introduction of the latest Brembo master cylinders. Apart from the standard lever position adjustment, riders can now also fine-tune the transmission ratio on the brake, enabling them to customize the brake feel in terms of pressure point and hand force according to their preferences.

The new KTM Naked Bike is offered in 2 different versions: the KTM Naked Bike R and the KTM Naked Bike R Evo. The main difference lies in the chassis. While the "R" model comes with conventional but adjustable WP suspension, the Evo version features an upgraded electronic suspension system, also from WP. This system is based on the same basic function with damping pistons and shim package, but adds an electronic valve for changing the damping. This allows for the utilization of extensive experience gained from conventional technology. With the additional electronic adjustment options, riders have a wide range of possibilities. They can choose from preset or automatic modes, or, with some basic knowledge, adjust the compression/rebound and spring preload settings individually at the touch of a button. The electric spring preload adjustment on the shock absorber is particularly convenient, as it allows for quick and easy adjustment of the rear height based on the rider's weight or payload.

As a motorcycle journalist, you are tasked with translating this text corpus into English for a report on a KTM Naked Bike. I will provide you with a DeepL translation of the report containing technical terms below this prompt. Your task is to create your own translation tailored specifically to a KTM Naked Bike. Please ensure that the motorcycle brand and model are accurately reflected in your translation. Maintain the usual sentence structure of the target language. Only provide the specific translation in your response, do not add any other comments.

DeepL Translation: As is already known from many other manufacturers, KTM is also going down the path of paid upgrades in the equipment features via electronics. All possible additional features are activated at the time of purchase and must be purchased additionally and activated permanently if you want to continue to have them available after one month. This includes, for example, extended driving modes, lighting options and, most importantly, the automatic gearshift. This is somewhat surprising given the base price, as an automatic gearshift should be standard equipment in this class by now.

Translation: Similar to other manufacturers, KTM is introducing optional electronic upgrades for its Naked Bike models. These additional features are activated upon purchase and require an additional purchase for permanent activation if you wish to retain access beyond the initial month. These upgrades encompass extended riding modes, customizable lighting options, and notably, an automatic gearshift. It is somewhat unexpected considering the base price, as an automatic gearshift is typically considered standard in this category.

As expected, the engine of the KTM Naked Bike is truly impressive. Not only does it deliver exceptional power, a feature already present in the 1290 model, but it also boasts unbelievably smooth operation. Despite the increase in displacement, the engine has maintained this characteristic. Each cylinder has an individual displacement of nearly 700 cc, which is quite remarkable. The new cam shift technology has further enhanced the engine's performance, particularly in the peak power range. The power delivery is broader and more forceful, though this may be best experienced on the racetrack. On the road, riders can still enjoy the immense power even at low revs, starting from 2,500 rpm, thanks to the smooth operation. While some competitors may have a slight edge in peak power, there is no other engine in this category that responds as spontaneously and forcefully at low revs. The shorter gear ratios in the last two gears are also commendable, allowing for the last gear to be utilized effectively even on slower race tracks. The revised electronics provide effective assistance in maintaining stability, especially for less experienced riders. Even with the riding aids turned off, the new Super Duke is easy to handle and can be pushed to its limits by skilled riders. However, there is a minor drawback, particularly on the racetrack. Even in the lowest control setting, the electronics can be a bit hesitant and restrict power output, especially in the middle lean angle range, which is more noticeable with new tires. It would be beneficial to have an additional control level between TC off and level 1.

The difference between the conventional suspension (KTM Super Duke R) and the electronic suspension (KTM Super Duke R Evo) was significant. While the conventional suspension shows weaknesses, especially on the racetrack under heavy loads, the electronic suspension is also highly suitable for racing. The main issue with the conventional suspension is the lack of damping, leading to noticeable instability during acceleration, which only stabilizes when the bike is upright. Moreover, it tends to drift wide in corners, requiring effort to maintain the desired line. Additionally, there is minimal feedback from the front wheel when braking and cornering. On the other hand, the riding experience with the Evo and electronic suspension was much more enjoyable. It provides effective damping and a strong sense of connection with the tires without feeling harsh. The handling is greatly improved, allowing the bike to respond precisely to rider input. With a wide range of settings available, every rider is certain to find a suitable setup.

However, the upgraded suspension from Power Parts takes it up a notch. It has been revamped with modified internal dimensions. The front fork features a closed cartridge, while the rear boasts a fully adjustable shock absorber, both of which can be fine-tuned using standard adjusters. This setup offers the KTM Naked Bike a solid ride quality and delivers ample feedback on the traction levels of both wheels. Moreover, the bike sits slightly higher, allowing for increased lean angle freedom and improved cornering performance. Braking performance is also top-notch with no issues to report.

In order to put this into perspective, it is important to note that this is specifically designed for intense racing use, and the evaluation for road use may vary. For such purposes, the standard suspension of the "R" model could still meet the needs of many riders. The remaining components of the bike perform as expected. The brakes are also effective and did not show any issues, at least during testing at the Almeria track. The only drawback is the automatic gearshift, which tends to produce somewhat harsh gear changes in the mid-load range, standing out against the otherwise smooth engine operation.