Mercury 35/40HP 2 Cylinder Outboards Service Manual PN 90-42794--1, Page 247Get this manual
8Install components as shown Protect motor from corrosion by applying Quicksilver Liquid Neoprene on any chipped areas 10Apply Quicksilver Perfect Seal on threads of bolts
Secure motor using bolts (a) and lockwashers (b)Waterproof Power Trim system by applying Quicksilver Liquid Neoprene on seam (c)