Still, its sorting itself out as I call it. I've only ever had one and that was on a pedal cycle. I have to say I'm not convinced. You might well hide a problem by fitting one and might well get away with out incident, but if it is going to slap, then one day, I suspect, it will do so regardless of any damper being fitted. Its still just levering against the headstock. I suppose I tend to like to know if its misbehaving and ride at a speed and style that copes with those issues instead of perhaps riding a bit harder thinking I'm secure and then finding out the hard way that I'm not.
I suspect on a track it would be useful. At any rate you are trying to ride fast and safety is sort of secondary. I'm not saying you want to crash, but you certainly aren't riding to just safely negotiate the track when competing. If you can save 99.9 % of wobbles that might never turn serious then it allows for concentrating on the riding.
As for them being insurance, I certainly wouldn't bet on it. I had a friend with an old 750 triple kwack. It was very mean bike and he installed two dampers to try and control the vicious head shake. One day he crashed on a back road. The bike ended up in a tree and he ended up in a field. It was a straight road. The slap was hard enough to break both the dampers and his wrists. Luckily the field he landed in was nice and soft so he walked away from it.
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