1995 Johnson Evinrude "EO" 90 CV 85 thru 115 Service Manual, P/N 503150, Page 52Get this manual
it General Safety Warnings Before working on any part of the fuel system, read the section called Safety at the end of this manualThe 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 flywheelTo avoid accidental starting of engine while servicing, twist and remove all spark plug leadsCheck nonmetallic fuel system parts for signs of deterioration, cuts, cracking, or abrasionAlways replace with specified partsDo not attempt to run engine with any fuel system component disconnected or removedFuel leakage could contribute to fire or explosionAfter completing any service procedure, momentarily pressurize fuel system and check for leaks! Fuel leakage could contribute to fire or explosionWhen using shop air for cleaning or drying parts: Be sure air supply is regulated to not more than 25 PSI (172 kPa) Be sure you use appropriate eye protection to avoid personal injuryReplace 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