The electrical motor for the windscreen stopped running.
Removed the top of the faring with screen and el-motor.
Unscrewed the motor.
In the backend there are 4 metal flapps that era bent in. open them up and took out the plate with brush holder.
Cleaned then and polished the surface in brushes and collector.
Used 2 dm of sewing thread to hold back the brushes while remount the plate with brushes. Take out the thread and bend back the flapps.
Remount all and test.