1997 Johnson Evinrude "EU" 90 thru 115 90 CV Service Manual, P/N 507267, Page 8Get this manual
InGeneral Safety Warnings Before working on any part of the outboard, read the section called Safety at the end of this manualWhen replacement parts are required, use genuine OMC parts or parts with equivalent characteristics including type, strength, and materialFailure to do so may result in product malfunction and possible injury to the operator andor passengersTo prevent possible eye injury always wear SAFETY GLASSES while servicing the unitAlways read and follow safety related precautions found on containers of hazardous substances like parts cleaners, primers, sealants, and sealant removersThe engine cover is machinery guardUse caution when conducting tests on running enginesDo not wear jewelry or loose clothingKeep hair, hands, and clothing away from rotating partsReplace any locking fastener (locknut or patch screw) if its locking feature becomes weakDefinite resistance to tightening must be felt when reusing locking fastenerIf replacement is indicated, use only authorized replacement or equivalent