1990 Vert, stock, tried looking thru the FAQ's, but most of the links are old and bad. Resurfaced my old flywheel and it's still slipping, because we didn't remove the dowel's and shave the step. need to find the specs to fix it correctly.
Thanks!

 

NA 9.0 flywheel ? about 14.5 - 15 mm

 

Thanks bumpstart