1997 Johnson Evinrude "EU" 90 thru 115 90 CV Service Manual, P/N 507267, Page 29Get this manual
& 9If the engine is removed from boat, examine all hardware you loosened from the motor and its steering, throttle, and shift systemsReplace damaged or missing parts with genuine ow: 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 sameUsi ng the wrong nuts and bolts may result in sudden unexpected loss of engine control
&10Inspect the entire boat steering system for damage due to corrosion, aging, lack of maintenance, or abuseInspect mechanical steering cables for deterioration or cracksInspect hydraulic steering models for fluid leaks or other external signs or problemsFollow equipment manufacturer's maintenance and lubrication recommendations when servicing the steering system11Remove battery and check its condition, water level, and chargeStore in cool, dry place, out of direct sunlightCheck the water level and charge periodically during storageRefer to Section for battery maintenance information12If equipped, service the boat fuel filter following instructions on canisterClean and inspect VRO oil reservoir and VRO pickup filterReplace filter if it is damaged or contaminated13Remove propeller and check for damageA slightly bent propeller blade can hardly be noticed but will affect the performance of the engineClean and lubricate the propeller shaft with ow: Triple-Guard grease14Drain and refill gearcaseLubricate engineSee Lubrication, this section15Check engine carefullyMake sure screws and nuts are tightReplace damaged or worn parts