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SportsBoat_F5K13.book Page 171 Tuesday, June 13, 2023 5:43 PM

Operation

Post-operation checks alternately pushing the remote control le-
These post-operation procedures are devel- ver up to half throttle and back to idle for
oped to help preserve the long-term appear- 10 to 15 seconds. NOTICE: Do not run
ance and reliability of your boat. Perform the engine over 4000 r/min on land. Al-
these procedures as soon as possible after so, do not run the engine for more
the boat is loaded back on the trailer after the than 15 seconds without supplying
day’s use. water, otherwise, the engine could
Some owners prefer to moor their boat sea- overheat and/or seize.
sonally, rather than keeping it on the trailer (3) Stop the engine.
between uses. Extended mooring is not (4) Wash down the hull, helm, and both jet
recommended by Yamaha, but can be drive units with fresh water.
performed if proper precautions are taken (5) Open the rear platform hatch. (See page
to help guard against prolonged environ- 113 for rear platform hatch opening and
mental exposure and marine growth. closing procedures.)
Proper flushing of the cooling system on (6) Remove the access port caps to let any
each engine is not possible with the boat in water drain that has pooled on them.
the water. In addition, conditions such as (See page 201 for access port cap re-
stray electrical voltage in the water, marine moval and installation procedures.) If the
organisms, and saltwater corrosion can ad- boat will be stored on the trailer nearby,
versely affect the life of many boat compo- leave the caps out until you prepare to
nents. NOTICE: Leaving the boat in the launch the boat again. If the boat will be
water for extended periods will accelerate transported on the trailer any distance,
the rate of normal deterioration of the ex- temporarily reinstall the caps and close
posed drive components. the hatch until you get home. Open the
If you do decide to moor your boat, be sure to hatch again when you arrive and remove
remove it from the water periodically to clean the caps as before. Leave the caps loose
the hull and jet pump areas. The frequency of until you plan to transport the boat on the
maintenance required will depend upon trailer again. NOTICE: Leaving the ac-
whether the water is salt water or fresh water cess port caps out when you are not
and other local water conditions. See your using or transporting the boat helps
dealer for additional preventative mainte- keep them from becoming stuck in the
nance recommendations on mooring and/or access ports.
saltwater use for your area. (7) Remove the hull drain plug. (See page
(1) After putting the boat on the trailer, flush 141.)
the cooling system on each engine to (8) Rinse the engine compartment with a
prevent the cooling system from clog- small amount of fresh water. Be careful
ging up with salt, sand, or dirt. Refer to not to get water on the air filter area or
page 177 for the cooling system flushing electrical components. Allow any water
procedure. in the bilge to drain out. After the water
(2) Drain residual water from the exhaust has drained, wipe the engine compart-
system by starting the engine, and then ment and bilge with dry rags.

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