Model KTM 390 SMC R Suzuki DR-Z4SM Engine Configuration ... KTM, however, packs a close-knitted six-speed gearbox that helps extract more top speed from its trusty single cylinder.

Ever since its inception, the KTM 390 ... the set speed. If this sounds familiar, that’s because the system and accompanying switchgear are drawn from the recently revealed KTM 390 Adventure ...

The KTM is also among the top 10 most powerful single ... via a slipper-clutch-assisted six-speed gearbox. Single-cylinder engines, like the one on the 390 Duke, tend to vibrate a lot at higher ...

The KTM 390 Duke features the same 399cc, liquid-cooled, single-cylinder engine as the 390 Adventure, producing 46hp and 39Nm. It is mated to a six-speed gearbox with a bi-directional quickshifter.

So here are the top three highlights you need to know about the 2025 KTM 390 Duke ... allows riders to adjust the speed. The engine remains unchanged, as the 2025 390 Duke will continue with ...