1997 Johnson Evinrude "EU" 90 thru 115 90 CV Service Manual, P/N 507267, Page 148Get this manual
22 DR1294
28Install port cylinder head and gasketFollowing torque sequence in figure, torque all screws in stages to value listed in chartInstall the cylinder head screws dryDo not use sealant on hreads
Cylinder Head Screws