1999 "EE" 90, 115 FFI, 150, 175 V4, V6 FFI Outboards Service Manual, P/N 787024, Page 36Get this manual
in 8If the engine is removed from the boat, examine all hardware you loosened or removed from the motor and its steering, throttle, and shift systemsReplace damaged or missing parts with genuine OMC parts or equivalentThese fasteners are made of special materials to resist weakening and rustingDo not substitute these fasteners with nuts and bolts which look the sameUsing the wrong nuts and bolts may result in sudden, unexpected loss of engine control
9Inspect the entire boat steering system for damage due to corrosion, aging, lack of maintenance, or abuseInspect mechanical steering cables for deterioration or cracksInspect power steering models for fluid leaks or other external signs of problemsFollow equipment manufacturer's maintenance and lubrication recommendations when servicing the steering system