Page 39 - LIT-18626-13-44

UF3Y15E0.book Page 33 Tuesday, July 20, 2021 10:30 AM

Control function operation

always be applied when attempting a turn, TIP
except at trolling speed.  It will take about 60 seconds for the water
This model is equipped with the Yamaha En- to reach the outlet after the engine is start-
gine Management System (YEMS) that in- ed.
cludes an off-throttle steering (OTS) system.  Water discharge may not be constant
It will activate at planing speeds should you when the engine is running at idling speed.
attempt to steer the watercraft after releasing If this occurs, apply a little throttle to make
the throttle lever. The OTS system assists in sure that water discharges properly.
turning by continuing to supply some thrust
while the watercraft is decelerating, but you EJU40323
Water separator
can turn more sharply if you apply throttle The water separator prevents water from en-
while turning the handlebars. The OTS sys- tering the fuel tank by collecting any water
tem does not function below planing speeds that has entered the fuel tank breather hose if
or when the engine is off. Once the engine the watercraft was capsized.
slows down, the watercraft will no longer turn If water has collected in the water separator,
in response to handlebar input until you apply drain it by loosening the drain screw.
throttle again or you reach trolling speed.
EJU35975
Cooling water pilot outlet 1
When the engine is running, some of the
cooling water that is circulated in the engine 2
is discharged from the cooling water pilot
outlet.

1 Water separator
2 Drain screw
To drain water from the water separator:
(1) Place a drain pan or dry cloth under the
water separator.
1
(2) Gradually loosen the drain screw to drain
1 Cooling water pilot outlet
the water. Catch the draining water in the
There is a cooling water pilot outlet on the drain pan or soak it up with the dry cloth
port (left) side of the watercraft. To check for so that it does not spill into the engine
proper operation of the cooling system, make compartment. If any water spills into the
sure that water is being discharged from the watercraft, be sure to wipe it up with a
cooling water pilot outlet. If water is not being dry cloth.
discharged from the outlet, stop the engine (3) Securely tighten the drain screw until it
and check the jet intake for clogging. (See stops.
page 93 for information on the jet intake.)

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