1999 "EE" 90, 115 FFI, 150, 175 V4, V6 FFI Outboards Service Repair Manual, P/N 787024, Page 121Get this manual

1999 "EE" 90, 115 FFI, 150, 175 V4, V6 FFI Outboards Service Repair Manual, P/N 787024, Page 121

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2 Inspect the intake manifold: All gasket surfaces must be smooth and free of nicks []J

2 If any leaf valves are standing open, apply light pressure using pencil eraserIf leaf valve close