1999 "EE" 90, 115 FFI, 150, 175 V4, V6 FFI Outboards Service Repair Manual, P/N 787024, Page 208Get this manual
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Propeller InstallationV6
8 Install the propeller nut 70-80 ftIbs(95-105 Nm)
and tighten to torque of
9 Position keeper on propeller nut aligning keeper slots and