Thank you for the translation, igorpetrovich, and welcome to the forum. "dakarian" - I like that! But we can answer his question for him, for we have the other reports above, among them one from Kevin Duke of motorcycle.com who recounts some fearful sbachettata arising at the apparently un-dakarian pace of 45mph (75kmh). There is also the Bike UK reporter, who does not give the speed at which a tankslapper broke his steering stops but who hypothesises that he may "just happen to have stumbled on exactly the wrong combination of speed and road surface at the wrong time", and that the incident therefore was a one-off. Add it up and we can say so far ... To Bike, no, not a one-off incident. To Motociclismo: no, not only at arguably inappropriate speeds. To all three: yes, it is starting to look like a bit of a problem with the bike. And to canadamotoguide.com, whose reporter experienced something similar but opined that "It isn’t alarming": well, it has been alarming for some.