1988 "CC" Colt / Junior thru 8 Models Service Manual, P/N 507659, Page 198Get this manual
Installation2.5 and Ultra 4, Excel 1Apply OMC Moly Lube to driveshaft splines2Place new gasket on the exhaust housing and set the powerhead in place 13613Apply OMC Gasket Sealing Compound to the powerhead
retaining screwsInstall the screws and torque to 60-84 inIbs(7-9 Nm)4Install the ignition components as described in Section 35Install the rewind starterApply OMC Screw Lock to the threads of the retaining screws and torque to 60-84 inIbs(7-9 Nm)6Install carburetor and air silencer as described in Section Install engine coversTo avoid permanent powerhead damage, instruct operator to repeat the original engine break-in procedure, as described in Section 1, before putting engine back into normal serviceInstallation1Apply OMC Moly Lube to driveshaft splines2Place new gasket on the exhaust housing3Set the powerhead in place