Manual release valve and/or O-
ring damage.
Manual release valve and O-rings
appear to be OK. Replace O-
rings.
Inspect Memory Piston O-ring.
Replace defective valve and O-
rings.
O-rings appear to be OK. Cylinder
bore and memory piston are OK.
Replace O-rings and proceed.
O-ring, memory piston or cylinder
bore defective.
Replace defective O-rings or
components.
Inspect Oil Pump O-rings (located
below oil pump).
O-ring failure (located below oil
pump).
Replace O-rings.
O-rings appear to be OK. Re-
place O-rings.
Replace oil pump.
Inspect Manual Release
Valve.
Outboard falls to full down position with manu-
al release valve closed.
Example a: Outboard lowers more than one
tilt pin hole in eight hours.
Example b: Outboard lowers during acceler-
ation.
Result
Result
ResultResult
Result
Result
5B-14 - MID-SECTION 90-817643R1 DECEMBER 1996
Troubleshooting Flow Diagram
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