Mercury 35/40HP 2 Cylinder Outboards Service Manual PN 90-42794--1, Page 354Get this manual
Main Body Installation 1Install gasket (a) and eight collars (b) on gasket surface of main body (c)
IMPORTANT: Position main body in oil tank so that the fuel filter is pointing straight up
3Install main body (a) using eight bolts (b) and seal washers (c) with Bmm wrench Torque to 30 lbin (3.30 m) using correct torque pattern (See inset