Service bulletin KTB2604
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.
| Type | Service bulletin |
|---|---|
| NHTSA id | 11031352 |
| Published by NHTSA | 2026-04-15 |
| Manufacturer's number | KTB2604 |
| Manufacturer's date | 2026-03-05 |
| NHTSA component | ENGINE |
NHTSA's summary
During routine quality checks, it was discovered that the rotor screws #0912060206 AH SCREW DIN 912 M6X20 on the above-mentioned vehicles were not correctly tightened in isolated cases. To prevent a possible malfunction, KTM North America, Inc. is instructing that the screw connection be revised.
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
Engine
| KTM 1390 SUPER DUKE R EVO | 2026 |
|---|
Listing a model year does not mean every vehicle of it is concerned: the document says which.