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Service bulletin KTB2406

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id11002522
Published by NHTSA2024-06-28
Manufacturer's numberKTB2406
Manufacturer's date2024-06-14
NHTSA componentSUSPENSION

NHTSA's summary

SOFTWARE UPDATE FOR PRELOAD ADJUSTER In the course of continuous product improvement and further development, the software of the Preload adjuster of the above-mentioned models optimized in order to eliminate occasional positional errors or stalling. KTM therefore recommends updating the SCU (Suspension Control Unit) software. The update has resulted in the following innovations: The end positions of the preload adjuster have been adjusted to prevent it from getting stuck in the end stop. The current output was increased to move off from the end stop.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Suspension

Vehicles listed
KTM 1290 SUPER ADVENTURE S2021 to 2023
KTM 1290 SUPER DUKE R2022
KTM 1290 SUPER DUKE R EVO2023

Listing a model year does not mean every vehicle of it is concerned: the document says which.