2022 YAMAHA GP1800R SVHO engine overheat

Control function operation
25
EJU46112Engine start/stop switch “ / ”ECJ01311
Do not run the engine over 4000 r/min on
land. Also, do not run the engine for more
than 15 seconds without supplying water,
otherwise the engine could overheat.
The engine start/stop switch (red button)
starts the engine when the switch is pushed
while the engine is stopped, and stops the
engine when the switch is pushed while the
engine is running.
Release the engine start/stop switch as soon
as the engine starts to run. If the engine does
not start in 5 seconds, release the engine
start/stop switch, wait 15 seconds, and then
try again.
The engine will not start under any of the fol-
lowing conditions:
Lock mode of the Yamaha Security System
has been selected. (See page 24 for
Yamaha Security System setting proce- dures.)
Clip is removed from the engine shut-off
switch.
Throttle lever is squeezed.
Throttle lever is malfunctioning.
RiDE lever is squeezed.
RiDE lever is malfunctioning.
EJU31164Engine shut-off switch “ ”
The engine shut-off switch automatically
stops the engine when the clip, on the end of
the engine shut-off cord (lanyard), is removed
from the switch, such as if the operator falls
off the watercraft.
Insert the clip under the engine shut-off
switch before starting the engine.
When the engine is not running, remove the
clip from the engine shut-off switch to pre-
vent accidental starting or unauthorized op-
eration by children or others.
EJU31212Throttle lever
The throttle lever increases the engine speed
when the lever is squeezed.
1 Engine start/stop switch
1
1Engine shut-off switch
2 Clip
3 Engine shut-off cord (lanyard)
1
2
3
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Instrument operation
44
center display. (See page 24 for Yamaha Se-
curity System setting procedures.)
EJU45992Warning function
The multifunction information center can indi-
cate the following warnings.
Fuel level warning
Battery voltage warning
Check engine warning
Engine overheat warning
Oil pressure warning
Other warnings (communication errors, ex-
ceeding the maintenance intervals, and so
on)
To stop the buzzer when a malfunction is ac-
tivated, correct the cause of the problem and
start the engine again, or push the “OK” but-
ton of the touchpad control.
Fuel level warning
If the amount of remaining fuel is low, the low-
est fuel level segment blinks orange, “Low
Fuel” is displayed on the right side of the fuel
level meter, and the buzzer sounds intermit-
tently. If the fuel level warning is activated, refill the
fuel tank as soon as possible. (See page 55
for information on filling the fuel tank.)
Battery voltage warning
If the battery voltage is less than 12 volts or
more than 18 volts when the engine is not
running, the voltage display of the voltmeter
blinks.
If the battery voltage warning is activated,
have the watercraft serviced by a Yamaha
dealer as soon as possible.
Check engine warning “ ”
If a sensor malfunction or a short circuit is
detected, “ ” is shown in the warning bar,
and the buzzer sounds intermittently.
If the check engine warning is activated, im-
mediately reduce the engine speed, return to
1
“OK” button
1
14.3V
RPM
x1000
km/h
Low
Fuel
10.8V
RPM
x1000
km/h
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Instrument operation
45
shore, and have a Yamaha dealer check the
engine.
TIP
Push the “OK” button of the touchpad control
to display a description of the warning in the
center display.
Engine overheat warning “ ”
If the engine temperature rises
significantly, “ ” and “ ” are shown in the
warning bar, and the buzzer sounds continu-
ously.
If the engine overheat warning is activated,
immediately reduce the engine speed, return
to shore, and then make sure that water is
being discharged from the port (left) cooling
water pilot outlet while the engine is running.
If there is no discharge of water, stop the en-
gine, and then check the jet intake for clog-
ging. (See page 98 for information on the jet
intake.) NOTICE: If you cannot locate and
correct the cause of the overheating, con-
sult a Yamaha dealer. Continuing to oper-
ate at higher speeds could result in severe
engine damage.
[ECJ00042]
TIP
While the engine overheat warning is acti-
vated, the maximum engine speed is limit-
ed.
Push the “OK” button of the touchpad con-
trol to display a description of the warning
in the center display.
Oil pressure warning “ ”
If the oil pressure drops significantly, “ ”
and “ ” are shown in the warning bar, and
the buzzer sounds intermittently.
If the oil pressure warning is activated, imme-
diately reduce the engine speed, return to
shore, and then check the engine oil level.
(See page 57 for information on checking the
engine oil level.) If the oil level is sufficient,
have a Yamaha dealer check the watercraft.
TIP
While the oil pressure warning is activated,
the maximum engine speed is limited.
Push the “OK” button of the touchpad con-
trol to display a description of the warning
in the center display.
Other warnings (communication errors,
exceeding the maintenance intervals, and
so on) “ ”
If any other malfunction is detected or if the
engine has been operated for more than 50
hours since the last maintenance, the warn-
ing bar is shown instead of the tachometer
value display, “ ” is shown, and the buzz-
er sounds intermittently.
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Pre-operation checks
67
EJU45351Yamaha Security System checkMake sure that the Yamaha Security System
operates properly. (See page 24 for Yamaha
Security System setting procedures.)
EJU32666Engine shut-off cord (lanyard) check
Make sure that the engine shut-off cord (lan-
yard) is not damaged. If the cord is damaged,
replace it. WARNING! Never try to repair
the engine shut-off cord (lanyard) or tie it
together. The engine shut-off cord (lan-
yard) may not pull free when the operator
falls off, allowing the watercraft to contin-
ue to run and cause an accident.
[EWJ01222]
EJU46050
Switch checksECJ01311
Do not run the engine over 4000 r/min on
land. Also, do not run the engine for more than 15 seconds without supplying water,
otherwise the engine could overheat.
Check the engine start/stop switch and the
engine shut-off switch for proper operation.
(See page 25 for information on operating
each switch.)
To check the operation of the switches:
(1) If the lock mode is selected for the
Yamaha Security System setting, selectthe unlock mode. (See page 24 for
Yamaha Security System setting proce- dures.)
(2) Push the engine start/stop switch to make sure that the engine starts.
(3) As soon as the engine starts running, push the engine start/stop switch to
1Clip
2 Engine shut-off switch
3 Engine shut-off cord (lanyard)
1 Engine start/stop switch
12
3
1
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Operation
72
EJU40212Riding position
Operator riding position
The operator should grip the handlebars firm-
ly with both hands and sit astride the seat
with both feet on the floor of the footwell.
Passenger riding position
The passenger(s) should hold on firmly, either
to the person in front of them or to the hand-
grip provided, and sit astride the seat with
their feet on the floor of the footwell. Never al-
low a passenger to ride in front of the opera-
tor. (See page 16 for information on the riding
position when pulling a wakeboarder or wa-
ter-skier.)
EJU32803Launching the watercraft
When launching the watercraft, make sure
that there are no obstacles around you.
If the watercraft is launched from a trailer,
someone should make sure that waves do
not push the watercraft into the trailer.
EJU46071Starting the engine on waterEWJ01532
Do not apply throttle when anyone is at the
rear of the watercraft. Turn the engine off
or keep it at idle. Water and debris exiting
the jet thrust nozzle can cause severe in-
jury.
To start the engine:
(1) If the lock mode is selected for theYamaha Security System setting, selectthe unlock mode. (See page 24 for
Yamaha Security System setting proce- dures.)
(2) Move the watercraft to an area that is free from weeds and debris, and has a
water depth of at least 60 cm (2 ft) from
the bottom of the watercraft. NOTICE:
Never run the engine in water that is
less than 60 cm (2 ft) deep from the
bottom of the watercraft, otherwise
pebbles or sand could be sucked into
the jet intake, causing impeller dam-
age and engine overheating.
[ECJ00473]
(3) Attach the engine shut-off cord (lanyard) to your left wrist, and then attach the clip
to the engine shut-off switch. (See page
25 for information on operating the en-
gine shut-off switch.) WARNING! Check
that the engine shut-off cord (lanyard)
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Operation
77
EJU42451Boarding the watercraftEWJ01112
Be sure the operator and any passengers
have practiced boarding from the water
while still close to shore before riding. A
person who has made many unsuccessful
attempts to get back on the watercraft
may become fatigued and suffer from ex-
posure, increasing the risk of injury and
drowning.
Board the watercraft in water free from
weeds and debris and at least 60 cm (2 ft)
deep from the bottom of the watercraft.
NOTICE: Never run the engine in water
that is less than 60 cm (2 ft) deep from the
bottom of the watercraft, otherwise peb-
bles or sand could be sucked into the jet intake, causing impeller damage and en-
gine overheating.
[ECJ00473]
EJU42461
Boarding alone
(1) From the rear of the watercraft, lower the reboarding step with one hand and hold
it in place.
(2) Put one foot on the step, and then grasp the reboarding grip with your other hand.
1“N” (Neutral position)
14.3V
RPM
x1000
km/h
1
60 cm (2 ft)
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Operation
80
from objects—as with other power-
boats, you need throttle to steer.
ECJ01341
Never run the engine in water that is less
than 60 cm (2 ft) deep from the bottom of
the watercraft, otherwise pebbles or sand
could be sucked into the jet intake, caus-
ing impeller damage and engine overheat-
ing.
EJU45380Starting off from a trailer
(1) Launch the watercraft.
(2) Attach the engine shut-off cord (lanyard)to your left wrist, and then attach the clip
to the engine shut-off switch.
(3) Look in all directions, and then start the engine.
(4) Squeeze the RiDE lever and move the watercraft back slowly. (See page 29 for
RiDE lever operation procedures.)
TIP
When using the RiDE lever to start off from a
trailer, you can use the reverse assist to tem-
porarily increase the engine speed. (See page
33 for reverse assist operation procedures.)
EJU33114Boarding and starting off from a dock
(1) Board the watercraft from the side. (2) Attach the engine shut-off cord (lanyard)
to your left wrist, and then attach the clip
to the engine shut-off switch.
(3) Push the watercraft away from the dock, grip the handlebars with both hands, and
place both feet on the floor of the foot-
well.
(4) Look in all directions, start the engine, and then start off slowly.
EJU44210Capsized watercraftEWJ00672
Improper uprighting can cause injury.
Be sure to shut the engine off by pulling
on the engine shut-off cord (lanyard) to
remove the clip from the engine shut-off
switch.
Do not put your hands in the intake
grate.
If the watercraft capsizes, turn it over imme-
diately.
To upright the watercraft:
(1) Remove the clip from the engine shut-offswitch.
(2) Swim to the rear of the watercraft. Turn the watercraft over by pulling on the ride
plate with one hand while pushing down
on the gunwale with your other hand or
your foot.
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Operation
81
(3) Start the engine and operate the water-craft at planing speed to drain the bilge
water from the engine compartment.
(See page 59 for information on draining
the bilge water. If the engine does not
start, see “Towing the watercraft” on
page 100 or “Submerged watercraft” on
page 100.) NOTICE: Do not run the en-
gine at full throttle for at least 1 minute
after the engine has been restarted.
Bilge water in the engine compart-
ment can splash into the engine,
which can result in severe damage.
[ECJ00554]
EJU43282
Beaching and docking the watercraft
To beach the watercraft:
(1) Make sure that there are no boats, swim- mers, or obstacles near the beach. (2) Release the throttle lever to reduce
speed about 125 m (410 ft) before you
reach the intended beaching area.
(3) Slowly approach the beach using the throttle lever and RiDE lever to control
the watercraft speed. NOTICE: Never
run the engine in water that is less
than 60 cm (2 ft) deep from the bottom
of the watercraft, otherwise pebbles
or sand could be sucked into the jet
intake, causing impeller damage and
engine overheating.
[ECJ00473]
(4) After reaching land, stop the engine, and then get off the watercraft and pull it up
on the beach.
To dock the watercraft:
(1) Make sure that there are no boats, swim-mers, or obstacles near the dock.
(2) Release the throttle lever to reduce speed about 125 m (410 ft) away from
the dock.
(3) Slowly approach the dock using the throttle lever and RiDE lever to control
the watercraft speed.
(4) After coming alongside the dock, stop the engine, and then get off the water-
craft.
EJU37194Operating in weeded areas
Always avoid using your watercraft in areas
where weed growth is thick. If operating in
weeded areas is unavoidable, alternately
squeeze the throttle lever and relax your grip
on the throttle lever to vary the engine speed.
Weeds tend to become clogged more when
operating at a steady speed and at trolling
speed. If weeds may have clogged the intake
area, clean the jet intake. (See page 98 for in-
formation on the jet intake.)
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