I second that. If you're getting serious shake like that then you've got a problem.
I've ridden my NSR on numerous tracks and the only one where I 'needed' it was one with elevation changes and bumps. There's a particular section where you have to transition the bike up the hill and ... anyway to cut a long story short, the experienced racers say you don't 'need' the steering damper, it just makes some people who are squeemish a little bit more confident, as it eliminates some scary feeling.
Only time I've noticed a serious improvement from a steering damper was on the same circuit in the same place but on a CBR600RR with very little trail set up for a heavier rider. It would wheelie me in the transition and I wouuld land the front off a bump whilst heavily leaned over, then again at the crest of the hill the front just flies up ... here's a picture (not me)
http://www.rocknjapan.com/img_2263.jpg
http://www.rocknjapan.com/Ebisu%20top.mpg
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MC28 SE -sold-
MC21 with RS250 engine -for sale-
MC21 race bike -soon for sale-