1985 OMC 65, 100 and 155 HP Models Commercial Service Repair manual, PN 507450-D, Page 241Get this manual
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16 Apply 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 (