# Service bulletin MC340120

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: 10174374
- Published by NHTSA: 2020\-04\-27
- Manufacturer's number: MC340120
- Manufacturer's date: 2020\-04\-01
- NHTSA component: SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:CALIPER; SERVICE BRAKES, AIR:DISC:CALIPER; EQUIPMENT

## NHTSA's summary

Front brake caliper weeping at the piston sealing ring or at the contact surface of the caliper parts when the motorcycle is parked/at standstill.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2020/MC-10174374-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2020/MC-10174374-9999.pdf)

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

## Components

Brakes, Equipment and accessories, Brake caliper

## Vehicles listed

- BMW BMW MOTORCYCLE

JSON: [/v1/bulletins/10174374](/v1/bulletins/10174374)

[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%20MC340120&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F10174374&vehicle=Service%20bulletin%20MC340120)