# Service bulletin KTB2511

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: 11023212
- Published by NHTSA: 2025\-09\-19
- Manufacturer's number: KTB2511
- Manufacturer's date: 2025\-09\-16
- NHTSA component: VEHICLE SPEED CONTROL

## NHTSA's summary

KTM North America, Inc. has determined that a defect which relates to motor vehicle safety exists with certain 2022, 2023 and 2024 390 ADVENTURE motorcycles. On certain motorcycles, water could enter the throttle \(e\-throttle\) control unit and cause it to fail. A loss of engine power increases the risk of a crash. To ensure the highest level of safety, performance, reliability and customer satisfaction, it is necessary to replace the e\-throttle assembly on all affected motorcycles. Due to the replacement e\-throttle assembly not being available the e\-throttle assembly replacement on affected motorcycles can’t be performed at this time.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2025/MC-11023212-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2025/MC-11023212-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Throttle and cruise control

## Vehicles listed

- 2022 to 2024 KTM 390 ADVENTURE

JSON: [/v1/bulletins/11023212](/v1/bulletins/11023212)

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