1985 OMC 65, 100 and 155 HP Models Commercial Service Manual, PN 507450-D, Page 241Get this manual
16Apply OMC Gasket Sealing Compound to two new exhaust cover gasketsPlace the inner and outer exhaust covers and two gaskets on the cylinder blockI nstall and tighten the screws to torque of 7-9 Nm (60-84 inIbs17If the overboard water indicator fitting has been removed from the exhaust manifold cover, apply OMC Gel Seal II to threads of the fitting before installing18Apply OMC Gasket Sealing Compound to six new by-pass cover gaskets and place the gaskets on the cylinder blockInstall the by-pass coversTighten the screws to torque of 5-9 Nm (48-72 inIbs19Service the leaf valve assemblies as described in Section 2Install the intake manifold using new gasket20Assemble the carburetion, ignition and electrical components to the powerheadTo prevent possible fire or explosion, after reassembly of the engine, always make sure ignition and electrical leads are routed and clamped securely in original position away from rotating parts which may damage insulation and cause electrical sparks, r-