Motorbikes in Latvia mostly within permissible 'vroom' limits

For many people, a motorcycle is not just a means of transportation, but a way of life. However, alongside the joy of riding, there are occasionally motorcyclists who enjoy riding very loud, roaring bikes, which isn’t always appreciated by those around them. How loud are motorcycles allowed to be, and how is the permitted noise level monitored?

Original source: Latvian Public Broadcasting