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CA20
Launching and Boat Operation Care
CAUTION
During launching from a trailer, if the unloading ramp is steep or the trailer bed must be tilted, the boat
may enter the water rapidly and at a steep angle. This may force water through the exhaust system into
the cylinders. The more weight on the transom, the more likely this is to occur.
Slowing down rapidly or stopping suddenly may cause a following wave to “swamp” the transom
causing water to enter the cylinders through the exhaust system causing severe engine damage.
When backing up rapidly, the same situation may occur as stated in the preceding paragraph.
In any of these situations, water entering the engine could cause severe damage to internal parts. Refer to
“Attention Required After Submersion”.
CA409
Attention Required After Submersion
• Before recovery, contact an Authorized MerCruiser Dealer.
• After recovery, immediate service by an Authorized MerCruiser Dealer is required to prevent serious damage
to power package.
CA19
Trailering Boat
Boat can be trailered with drive unit in up or down position. Adequate road clearance is required between road
and gear housing skew when trailering with drive unit in down position.
If adequate road clearance is a problem, place drive unit in full trailer position and support with an optional trailer
kit which is available from your Authorized MerCruiser Dealer.
CA21
Stolen Power Package
If your power package is stolen, immediately advise the local authorities and Mercury Marine of the model and
serial number(s) and to whom the recovery is to be reported. This “Stolen Motor” information is placed into a file
at Mercury Marine to aid authorities and dealers in recovery of stolen motors.
CE9
Replacement Service Parts
Marine engines are expected to operate at or near full throttle for most of their life. They are also expected to
operate in both fresh and saltwater environments. These conditions require numerous special parts. Care should
be exercised when replacing marine engine parts, as specifications are quite different from those of the standard
automotive engine.
Since marine engines must be capable of running at or near maximum RPM much of the time, special pistons,
camshafts and other heavy-duty moving parts are required for long life and peak performance.
These are but a few of the many special modifications that are required in MerCruiser marine engines to provide
long life and dependable performance.
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