TYGA have a selection of OEM fasteners for the NSR, I replaced a few with parts I got from them.

Otherwise, my 97 900rr midpanels have the OEM Dzus fasteners and clips, but the parts lists show 2 different lengths on the Dzus bolts. But those might work.
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1996 NSR250 SE
1997 CBR900rr
1989 Hawk GT
2000 996