Starting And Stopping The Engine; Starting The Engine; Section 3 - On The Water - MerCruiser 8.1S HO Owner's Manual

BEFORE STARTING
Operate bilge blowers.
Open fuel shut off valve.
Open seacock, if
equipped.
Close the drain system.
Check the engine oil.
Perform all other checks
specified by your dealer
and/or boat builder.
Listen for Audio Warning
Alarm to sound when the
ignition switch is in the
"ON" position.

Starting and Stopping the Engine

NOTE: Only perform those functions applicable to your power package.

STARTING THE ENGINE

1. Check all items listed in the Operation Chart.
2. Place the remote control handle in neutral.
Overheating from insufficient cooling water will cause engine and drive system damage.
Ensure that there is sufficient water always available at water inlet holes during operation.
Avoid fire or explosion. Before starting the engine, operate the bilge blower for at least
five minutes to remove any explosive fumes from the engine compartment. If the boat is
not equipped with a bilge blower, open the engine hatch and leave it open while starting
the engine.
3. Turn ignition key to "START". Release key when engine starts and allow switch to return
to "ON" position. Allow engine to warm up (6‑10 minutes on first start of the day).
4. If engine does not start after 3 attempts:
a.
b.
5. If engine does not start after step 4:
a.
b.
6. Inspect the power package for fuel, oil, water and exhaust leaks.
7. Move control handle with a firm, quick motion forward to shift to forward gear, or
backward to shift to reverse. After shifting, advance throttle to desired setting.
90-864841062 DECEMBER 2006
AFTER STARTING
Check steering operation.
Push the throttle only button and position the remote control handle/throttle lever
to the 1/4 throttle position.
Turn ignition key to "START". Release key when engine starts and allow switch
to return to "ON" position.
Move the remote control handle/throttle lever to full throttle position, then return
to 1/4 throttle.
Turn ignition key to "START". Release key when engine starts and allow switch
to return to "ON" position.
Operation Chart
WHILE UNDERWAY
CAUTION
!
WARNING
!

Section 3 - On The Water

AFTER STOPPING
Close seacock, if
equipped.
Flush cooling system if in
saltwater.
Drain bilge.
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