Has KTM managed to retain the unmistakable Duke attitude while making it more approachable, or has this new iteration diluted what made it so exciting in the first place? The 390 Duke has always had a reputation-quick, aggressive, and not always the easiest motorcycle to tame. Now, with the introduction of a 349cc version, KTM is clearly trying to widen its appeal. But does this recalibration work in its favour?
The new KTM 390 Duke 350 does not replace the existing 399cc motorcycle. Instead, that version now continues as the 390 Duke R, sitting above this new model. The primary driver here is pricing. By bringing the engine capacity below the 350cc threshold, KTM benefits from a lower GST bracket, allowing it to position this motorcycle more competitively. What's interesting, though, is that despite this repositioning, the 350cc version remains closely aligned with its bigger sibling in more ways than one.
Design and Features
Visually, there is very little to distinguish this motorcycle from the 390 Duke R. It carries forward the same sharp, edgy design language of the Gen-3 Duke platform, and in typical KTM fashion, it looks purposeful and aggressive. The muscular tank extensions, the angular LED headlamp, and the exposed trellis frame all contribute to a streetfighter stance that feels as intimidating as ever.

The differences, if anything, are subtle. The colour palette is slightly altered, and notably, the iconic orange frame, something that has become synonymous with KTM, is missing here. That aside, the overall silhouette and road presence remain largely unchanged.
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On the features front, KTM has resisted the temptation to cut corners. The motorcycle continues to offer a TFT display with Bluetooth connectivity, ride modes, traction control, launch control, a bi-directional quick shifter, and full-LED lighting. Even the seat height remains identical at 805mm, with the option to increase it by 20mm if required. For a motorcycle positioned as the more accessible Duke, it does a convincing job of retaining its premium appeal.
Performance and Ride Experience
The most significant change lies beneath the surface. The new 349cc, liquid-cooled, single-cylinder engine produces 41.5PS and 33.5Nm, marking a noticeable drop from the 399cc unit. On paper, the reduction around 4bhp and 5.5Nm, may seem substantial, but out on the road, the difference isn't immediately obvious.

Initial acceleration remains brisk. In fact, up to a point, it feels nearly as eager as the larger-engined version. KTM claims an identical 0-60 km/h sprint time of 2.9 seconds, with the 0-100 km/h run trailing by only about half a second. Even the top speed gap is not dramatic.
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However, as you begin to push harder, the distinctions become clearer. The mid-range lacks some of the urgency that defines the 390 Duke R, and the top-end feels more restrained. It's not slow by any means, but the explosive character has been dialled back slightly.

Another aspect that stands out is refinement. There is a noticeable buzz between 2,000 and 5,000 rpm, particularly when the engine is under load. It's not intrusive enough to be a deal-breaker, but it does remind you that this is still a performance-oriented single-cylinder motor.

Where the motorcycle continues to impress is in its dynamics. The handling remains sharp and predictable, allowing you to carry speed with confidence. The braking setup, too, feels strong and progressive, offering good feedback whether you're navigating city traffic or pushing through a set of corners. In essence, while the outright performance has taken a slight step back, the fundamental Duke DNA remains intact.
Conclusion
The KTM 390 Duke 350 positions itself as a more accessible gateway into the Duke family. It trims some of the outright performance, but crucially, it does not compromise much on design, features, or overall presence. Priced at ₹2,77,268 (ex-showroom, Delhi), it undercuts the more powerful 390 Duke R by over ₹60,000, making it a significantly more attainable proposition.

For riders who found the earlier 390 Duke a bit too intense or perhaps slightly out of reach, this new version presents a more balanced alternative. It retains much of the aggression and engagement that the brand is known for, while making the experience a little less intimidating.
That said, enthusiasts chasing maximum performance and that last bit of top-end thrill will still find the 390 Duke R more appealing. But for those looking for a sharp, well-equipped streetfighter that delivers a strong blend of performance and practicality, the 350cc Duke makes a compelling case.
The real question is, would you choose this more approachable Duke, or stretch a bit further for the full-fat experience?
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