Section 5 - Maintenance
Page 66
90-8M0099741
eng
JUNE 2015
6. Open the water source of the water hose to a full flow.
7. Place the remote control in neutral idle speed position and start the engine.
8. Operate the engine at idle speed in neutral gear. Do not exceed 1200 RPM.
9. Monitor the engine temperature while operating the engine.
10. Flush the engine for 5–10 minutes or until the discharge water is clear.
11. Shut off the engine.
12. Turn off the water source.
13. Disconnect the quick‑connect fitting and water hose from the flush socket on the engine by pressing the release button on
the flush socket.
a -
Quick‑connect fitting (water hose end)
b -
Flush socket release button
14. Remove the quick‑connect fitting from the water hose.
a -
Quick‑connect fitting (water hose end)
b -
Water hose
15. Retain the quick‑connect fitting with the water hose end for repeated use by storing it separately in a storage compartment
on the boat for easy access.
IMPORTANT: Do not store the quick‑connect fitting in the flush socket on the engine. Doing so would allow the seawater
pump to suck air during engine operation causing an overheating problem. Damages due to engine overheating are not
covered by Mercury MerCruiser Warranty.
Quick-connect fitting stored in the boat
a -
Quick‑connect fitting (water hose end)
b
a
18488
18487
a
b
25900
a
