1999 "EE" 90, 115 FFI, 150, 175 V4, V6 FFI Outboards Service Repair Manual, P/N 787024, Page 228Get this manual

1999 "EE" 90, 115 FFI, 150, 175 V4, V6 FFI Outboards Service Repair Manual, P/N 787024, Page 228

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Install in vacuum testerPump out to 3-5 inches (76-127 mm) Hg and see if vacuum holdsThen, pump out to 15 inches (381 mm) Hg and checkIf the gearcase fails to hold on either test, put oil around suspe

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