Mercury Mariner 4, 5 102CC Sail 1990 Outboard Service Shop Manual, Page 73Get this manual
15Place crank case cover on cy lind er lock and install six bolts (a)To rqu bolts to 91 lb in (10.3 Nm)following to rque sequence shown 18Secure cylinder head using bolts (a) Torque bolts in sequence to 215 in(24.4 Nm) b
16Insta ll cylinder head (a) and gasket (b)19Lubricate lips of oil seal with 2-4-C Marine Lubrican t, install oil sea housing gasket (a) and housing (b) and secu re with bolts (c) Torque bolts to 70 lb in (8 Nm)