KTM and Husqvarna, each a part of the Pierer Mobility group, have introduced a recall on fashions powered by the liquid-cooled 399cc Single. In KTM’s lineup, the affected fashions embody the 2024-2025 390 Duke and 2025 fashions of the 390 Enduro R, 390 SMC R, 390 Journey Rand 390 Journey X. Affected Husqvarna fashions are the 2024 White arrow 401 and Black arrow 401.
Throughout testing, a situation that would trigger the engine to stall at low rpm was discovered. Solely a restricted variety of circumstances have been seen up to now, however all house owners of the above-listed fashions will obtain a complimentary replace to right the problem.
A ECU software program replace will probably be utilized to cut back the chance of engine stalling, particularly at low speeds and through deceleration. The manufacturers additionally declare that the replace will enhance rideability and low-end torque, in addition to improve engine stability.
All affected house owners will obtain a notification letter and be requested to contact their vendor to rearrange the software program replace. This replace is absolutely freed from cost at approved sellers of the respective manufacturers. House owners can discover a verification of affected bikes and a listing of sellers within the “Service” part of the KTM and Husqvarna web sites.
The engine in query was considerably up to date for mannequin yr 2024. Displacement was elevated from 373cc to 399cc, horsepower elevated to 45 hp, and torque elevated to twenty-eight.8 lb-ft. The engine was additionally made lighter and featured improved cooling and faster warm-up, together with longer service intervals and different updates. The brand new engine debuted on the 2024 KTM 390 Duke, adopted by the 2024 Husqvarna ’Pilens and the 2025 390 KTMs.





