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SportsBoat_F7G10.book Page 182 Wednesday, June 14, 2023 9:23 AM

Operation

Post-operation checks
Wake
These post-operation procedures are devel-
oped to help preserve the long-term appear-
ance and reliability of your boat. Perform
these procedures as soon as possible after
the boat is loaded back on the trailer after the
day’s use.
90˚
Some owners prefer to moor their boat sea-
45˚ sonally, rather than keeping it on the trailer
10˚ between uses. Extended mooring is not
recommended by Yamaha, but can be
performed if proper precautions are taken
to help guard against prolonged environ-
mental exposure and marine growth.
Proper flushing of the cooling system on
each engine is not possible with the boat in
the water. In addition, conditions such as
stray electrical voltage in the water, marine
organisms, and saltwater corrosion can ad-
versely affect the life of many boat compo-
nents. NOTICE: Leaving the boat in the
water for extended periods will accelerate
the rate of normal deterioration of the ex-
posed drive components.
If you do decide to moor your boat, be sure to
remove it from the water periodically to clean
the hull and jet pump areas. The frequency of
maintenance required will depend upon
whether the water is salt water or fresh water
and other local water conditions. See your
dealer for additional preventative mainte-
nance recommendations on mooring and/or
saltwater use for your area.
(1) After putting the boat on the trailer, flush
the cooling system on each engine to
prevent the cooling system from clog-
ging up with salt, sand, or dirt. Refer to
page 188 for the cooling system flushing
procedure.
(2) Drain residual water from the exhaust
system by starting the engine, and then

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