1999 "EE" 90, 115 FFI, 150, 175 V4, V6 FFI Outboards Service Repair Manual, P/N 787024, Page 151Get this manual

1999 "EE" 90, 115 FFI, 150, 175 V4, V6 FFI Outboards Service Repair Manual, P/N 787024, Page 151

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Oil System Pressure Test
Oil Pressure Switch Test

1.5 PSI (30 10 kPa)

Note An adapter can be made from hose nipple and '8 inpipe coupler[] 1 Remove pressure switch2 Sea