1990 Johnson Evinrude "ES" 40 thru 55 Service Repair Manual, P/N 507872, Page 207Get this manual
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1271 27 Carefully apply 1281
1291 1301
Apply OMC Nut Lock to threads of the propeller housing retainer screwsInstall the retainers and tighten the screws to torque of 120-144 inIbs(