# Service bulletin TECHNICAL COMMUNICATION A

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: 11024840
- Published by NHTSA: 2025\-11\-04
- Manufacturer's number: TECHNICAL COMMUNICATION A
- Manufacturer's date: 2025\-09\-26
- Campaign id or software version: Campaign Code: 2025\_RS457\_TENSIONER
- NHTSA component: ENGINE

## NHTSA's summary

Model: RS 457 Subject: Replacement of timing chain tensioner \- Technical update Campaign Code: 2025\_RS457\_TENSIONER Dear Dealer / Service Centre, Through the ongoing, stringent quality control activities we perform on the components installed on our vehicles and our continuous research to develop better new technical solutions, in keeping with our commitment to ensure the best ownership experience possible for the customer, with this note we wish to inform you of the need to replace the timing chain tensioner. Please determine which vehicles in your stock and: • update all vehicles in stock before sale As usual, for sell\-in dealers, the list of chassis numbers involved belonging to your stock is viewable in the section Campaigns / Campaign Reports of the PWM warranty management software suite. For all others, the verification of those involved can be carried out by querying each individual chassis number from the Miscellaneous functions \-\> PWM Vehicle History menu. Please contact the Technical Help Desk of our Technical Support Service for any queries or assistance.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2025/MC-11024840-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2025/MC-11024840-9999.pdf)

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

## Components

Engine

## Vehicles listed

- 2025 APRILIA RS 457

JSON: [/v1/bulletins/11024840](/v1/bulletins/11024840)

[Report an error on this page](https://github.com/wenmar-pro/wenmar-open/issues/new?template=data_correction.yml&title=Data%20correction%3A%20Service%20bulletin%20TECHNICAL%20COMMUNICATION%20A&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F11024840&vehicle=Service%20bulletin%20TECHNICAL%20COMMUNICATION%20A)