Diagnostic
Cause: Manual relief valve left open, releasing hydraulic pressure. Test: Verify manual relief valve is fully closed (turned away from Manual direction) before engine operation.
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Ask Boat Guru about thisSpec · 5–6 times conditions={"procedure":"Tilt outboard motor manually up/down with manual release valve set to Manual side"}
Procedure · 1. Ensure nobody is under the outboard motor before opening the manual relief valve, especially if the motor is in the tilted-up position. WARNING: If the outboard motor is in the tilted-up position, it will tilt down...
Spec · ~40 degrees conditions={"type":"Manual tilt (MF, EF type)","shift_lever":"Neutral or Forward"}
Procedure · 1. Before opening the manual relief valve, make sure nobody is under the outboard motor. If the outboard motor is in the tilted-up position with the manual relief valve loosened, the outboard motor will tilt down sudd...
Diagnostic · Cause: Manual relief valve is open/not fully closed Test: Inspect and confirm the manual relief valve is fully closed before engine operation