I have experience of the 120 tank slapper. Not the most pleasant experience. Pinned it and it stopped - more luck than anything else. When a new bike comes with a steering damper - there is a reason 😁
Not sure that it’s luck. That’s the same anecdote I got from instructor, mechanic, and someone else too. Pin it and get past the tankslap speed and it will settle.
I have experience of the 120 tank slapper. Not the most pleasant experience. Pinned it and it stopped - more luck than anything else. When a new bike comes with a steering damper - there is a reason 😁