Page 126 - LIT-18626-13-46

SportsBoat_F4X13.book Page 119 Friday, May 21, 2021 4:49 PM

Operation

To cross a wake or swell, change your speed Post-operation checks
and choose the angle at which you cross the These post-operation procedures are devel-
wake or swell. Usually, a slower speed and oped to help preserve the long-term appear-
“quartering” the wake (crossing at an angle) ance and reliability of your boat. Perform
will reduce the jolt. these procedures as soon as possible after
Two other things you may notice. The first is the boat is loaded back on the trailer after the
that crossing a group of wakes or swells is day’s use.
not as easy or smooth as crossing just one Some owners prefer to moor their boat sea-
wake. The second is that when you quarter sonally, rather than keeping it on the trailer
the wake or swell, the boat will try to steer between uses. Extended mooring is not
away from the wake or swell. When crossing recommended by Yamaha, but can be
at a 45° angle, you may not notice this, but at performed if proper precautions are taken
a smaller angle, say 10°, it can be very strong. to help guard against prolonged environ-
Be prepared to steer and balance as neces- mental exposure and marine growth.
sary. Proper flushing of the cooling system on
each engine is not possible with the boat in
Wake
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
90˚
the rate of normal deterioration of the ex-
45˚ posed drive components.
10˚ 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 125 for the cooling system flushing
procedure.
(2) Drain residual water from the exhaust
system by starting the engine, and then

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