In another post there is a linked page that says CR125 base gaskets are the same... You just need to trim off the part that seals off where the power valve arm is. Doesn't say a yaer, but, not much had been changed on those engines from 1990 on up to at least 99-00(well at least the casting #'s on the Cyl's was the same)
I have both NSR base gaskets and CR125 base gaskets out in the garage. I will check to verify this and maybe post a pic if it does infact work out. I believe I have many of those CR gaskets and you are more than welcome to a set if they are the same.

Steve
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MC21
04 NSR50R
93 CBR F2
98 CBR F3 track bike
95 VFR750
89 FL400R Pilot
90 FZR 4/600