check engine YAMAHA FX SVHO 2020 Owner's Manual

Pre-operation checks
68
aged, obstructed, or not connected prop-
erly.
[EWJ00452]
Make sure that the electrolyte level is be-
tween the minimum and maximum level
marks. WARNING! Never operate the wa-
tercraft if the battery does not have suffi-
cient power to start the engine or if it
shows any other signs of decreased pow-
er. Loss of battery power may leave you
stranded.
[EWJ01241]
Make sure that the battery is securely held in
place.
EJU32614Steering system checks
Turn the handlebars to the right and left sev-
eral times to make sure that operation is
smooth and unrestricted throughout thewhole range, and that the free play is not ex-
cessive.
Turn the handlebars as far as possible to the
right and left to make sure that the jet thrust
nozzle moves as the handlebars are turned,
and that there is no difference between the
1Negative (–) battery terminal: Black lead
2Positive (+) battery terminal: Red lead
3Breather hose
1Maximum level mark
2Minimum level mark
1
32
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Pre-operation checks
70
throttle lever returns automatically to its fully
closed (idle) position when released.
EJU45350Yamaha Security System check
Make sure that the Yamaha Security System
operates properly. (See page 25 for Yamaha
Security System setting procedures.)
EJU32664Engine 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.
[EWJ01221]
EJU32676
Switch checks
NOTICE
ECJ01311
Do not run the engine over 4000 r/min on
land. Also, do not run the engine for morethan 15 seconds without supplying water,
otherwise the engine could overheat.
Check the start switch, the engine stop
switch, and the engine shut-off switch for
proper operation. (See pages 26 to 26 for in-
formation on operating each switch.)
To check the operation of the switches:
(1) If the lock mode is selected for the
Yamaha Security System setting, select
the unlock mode. (See page 25 for
Yamaha Security System setting proce-
dures.)
(2) Push the start switch to make sure that
the engine starts.
(3) As soon as the engine starts running,
push the engine stop switch to make
sure that the engine stops immediately.
(4) Restart the engine, and then pull the en-
gine shut-off cord (lanyard) to remove
the clip from the engine shut-off switch
to make sure that the engine stops im-
mediately.
EJU45370Electric trim system check
Turn on the multifunction information center,
and then operate the “TRIM/T.D.E.” switch-
es. Check that the jet thrust nozzle moves up
1Clip
2Engine shut-off switch
3Start switch
4Engine stop switch
5Engine shut-off cord (lanyard)
12 3
5 4
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Pre-operation checks
71
and down properly and that the trim setting
indicator and displayed setting level change
according to the operation of the switches.
(See page 40 for information on turning on
the multifunction information center without
starting the engine and page 32 for informa-
tion on the electric trim system.)
EJU40102Storage compartment checks
Make sure that the storage compartments
are not damaged and that water has not col-
lected in the compartments. (See page 52 for
information on the storage compartments.)
EJU41082Fire extinguisher holder, cover, and band
checks
Make sure that the fire extinguisher holder,
cover, and band are not damaged and that
the cover is securely held in place using the
band. (See page 56 for information on the fire
extinguisher holder, cover, and band.)
EJU32544Fire extinguisher check
Check that there is a full fire extinguisher on
board.
To check the fire extinguisher, see the in-
structions supplied by the fire extinguisher
manufacturer. Always keep the fire extin-
guisher secured in the holder with its cover in
place.
Always carry a fire extinguisher on board. A
fire extinguisher is not standard equipment
with this watercraft. If you do not have one,
contact a Yamaha dealer or a fire extinguish-
er dealer to obtain one meeting the proper
specifications.
EJU40122Safety equipment check
Check that safety equipment meeting the ap-
plicable regulations is on board.
EJU32353Hull and deck check
Check the hull and deck for damage or other
problem.
EJU32657Jet intake checks
Make sure that the jet intake is not damaged
or clogged with weeds or debris. If the jet in-
take is clogged, clean it. (See page 100 for in-
formation on the jet intake.)
EJU43221Jet thrust nozzle and reverse gate check
Check the jet thrust nozzle and reverse gate
for damage or other problem.
0
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Pre-operation checks
72
EJU44250Stern drain plug checks
Loosen the stern drain plugs and remove
them, and then make sure that the plugs and
O-rings on the plugs are not damaged and
that there is no foreign material on the
threads or O-rings on the plugs. NOTICE:
Before installing the stern drain plugs,
clean the drain plug threads and the O-
rings on the plugs to remove any foreign
materials, such as dirt or sand. Otherwise,
the stern drain plugs could be damaged,
allowing water to enter the engine com-
partment. Check the O-rings on the stern
drain plugs and make sure that the plugs
are tightened securely before launching
the watercraft. Otherwise, water may
flood the engine compartment and cause
the watercraft to submerge.
[ECJ00363]
Securely install the stern drain plugs by tight-
ening them until they stop.
EJU41441Hood check
Push down on the rear of the hood and make
sure that it is securely closed.
EJU40146Post-launch checks
Perform the post-launch checks in the pre-
operation checklist while the watercraft is in
the water and the engine is running.
To perform the post-launch checks:
(1) Launch the watercraft. (See page 75 for
information on launching the watercraft.)
(2) Perform the checks and make sure that
there are no malfunctioning items or oth-
er problems.
1Stern drain plug
2O-ring
2
1
1Stern drain plug
1
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Pre-operation checks
73
EJU41811Cooling water pilot outlet check
Make sure that water is discharged from the
port (left) cooling water pilot outlet while the
engine is running. (See page 29 for informa-
tion on the cooling water pilot outlets.)
EJU45260Multifunction information center check
Make sure that the multifunction information
center operates properly. (See page 40 for in-
formation on proper operation of the multi-
function information center.)
EJU43392Shift system check
Operate the throttle lever and RiDE lever, and
check that the watercraft moves or does not
move according to the displayed shift indica-
tor. (See page 30 for shift system operation
procedures.) WARNING! To avoid colli-
sions, operate at safe speeds and keep asafe distance away from people, objects,
and other watercraft.
[EWJ01860]
EJU40172
Engine idling speed check
Start the engine and warm it up. Use the ta-
chometer in the multifunction information
center to make sure that the engine idling
speed is not significantly above or below the
specified range.
1Shift indicator
2“F” (Forward position)
3“N” (Neutral position)
4“R” (Reverse position)
Engine idling speed:
1250 ±100 r/min
0
N13.6Vx100
RPM
100%
km/h
R NF4
3
2
1
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Operation
75
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 17 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.
EJU36346Starting the engine on water
WARNING
EWJ01531
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 the
Yamaha Security System setting, select
the unlock mode. (See page 25 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
26 for information on operating the en-
gine shut-off switch.) WARNING! Check
that the engine shut-off cord (lanyard)
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Operation
79
proximately 120 m (390 ft) after the throttle le-
ver is released or the engine is stopped,
although this distance will vary depending on
many factors, including gross weight, water
surface conditions, and wind direction.
If the RiDE lever is squeezed to slow down,
the stopping distance is approximately 30%
shorter than when the RiDE lever is not used.
However, this distance will vary depending
on many factors, including gross weight, wa-
ter surface conditions, and wind direction.
WARNING
EWJ01793
Allow adequate stopping distance. Stay
far enough away from others so you can
always safely coast to a stop.
Take early action to avoid collisions. Re-
member, watercraft and other boats do
not have brakes.
Operate defensively at safe speeds and
keep a safe distance away from people,
objects, and other watercraft to give you
time to stop.
Do not shut the engine off when slowing
down in case you need engine power to
steer away from a boat or other obstacle
that comes into your path.
To avoid rear-end collisions while oper-
ating the watercraft, check behind you
before using the RiDE lever to slow
down or stop the watercraft.
EJU43445Operating the watercraft in reverse or
neutral
Operating in reverse
When the RiDE lever is squeezed, the “R” (re-
verse) shift indicator will be displayed and the
watercraft will move in reverse. (See page 30
for shift system operation procedures.)
Make sure that there are no obstacles or peo-
ple behind you before shifting into reverse.
TIP:
This model is equipped with a function which
limits the engine speed in reverse.
Operating in neutral
When the RiDE lever is squeezed lightly and
released, the “N” (neutral) shift indicator will
be displayed and the watercraft will stop in its
1“R” (Reverse position)
0
R13.6Vx100
RPM
100%
km/h
1
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Care and storage
87
ter flows out continually from the jet
thrust nozzle.
(8) Run the engine at idling speed for about
3 minutes watching the engine condition.
If the engine stops while flushing, turn
the water supply off immediately and
perform the procedure again from step 7.
NOTICE: Do not supply water to the
cooling water passages when the en-
gine is not running. The water could
flow back through the muffler into the
engine, causing severe engine dam-
age.
[ECJ00123]
(9) Turn the water supply off.
(10) Discharge the remaining water out of the
cooling water passages by alternately
squeezing and releasing the throttle lever
quickly for 10 to 15 seconds.
(11) Stop the engine.
(12) Remove the garden hose adapter, and
then securely install the flushing hose
connector cap by tightening it until it
stops.
(13) Securely close the stern storage com-
partment.
(14) Securely install the removable watertight
storage compartment and seats in their
original positions.
EJU33736Cleaning the watercraft
(1) Remove the seats. (See page 49 for seat
removal and installation procedures.)(2) Rinse the engine and engine compart-
ment with a small amount of water.
NOTICE: Do not use high-pressure
water when rinsing the engine or en-
gine compartment as severe engine
damage could result.
[ECJ00572]
(3) Drain the water from the engine com-
partment. (See page 61 for information
on draining the bilge water.)
(4) Wipe the engine and engine compart-
ment with a dry cloth.
(5) Wash down the hull, deck, and jet pump
with fresh water.
(6) Wipe the hull, deck, and jet pump with a
dry cloth.
(7) Wipe all vinyl and rubber components,
such as the seats and engine compart-
ment seals, with a vinyl protectant.
(8) To minimize corrosion, spray metallic
parts of the hull, deck, and engine with a
rust inhibitor.
(9) Allow the engine compartment to air dry
completely before installing the seats.
(10) Securely install the seats in their original
positions.
EJU33688Battery care
If the watercraft will not be used for more than
a month, remove the battery from the water-
craft, check it, and then store it in a cool, dry
place.
WARNING
EWJ00792
Battery electrolyte is poisonous and dan-
gerous, causing severe burns, etc. Elec-
trolyte contains sulfuric acid. Avoid
contact with skin, eyes, or clothing.
Antidotes
External: Flush with water.
Internal: Drink large quantities of water or
milk. Follow with milk of magnesia, beaten
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Maintenance
91
EJU33769
Maintenance
Periodic checks and lubrication will keep
your watercraft in the safest and most effi-
cient condition possible. Therefore, make
sure to carry out the periodic maintenance.
Safety is an obligation of the watercraft own-
er. Proper maintenance must be carried out
to keep the exhaust emission and sound lev-
els within the regulated limits. The most im-
portant points of watercraft inspection and
lubrication are explained on the following
pages.
See a Yamaha dealer for genuine Yamaha re-
placement parts and optional accessories
designed for your watercraft.
Remember, failures that are the result of the
installation of parts or accessories which are
not qualitatively equivalent to genuine
Yamaha parts are not covered by the limited
warranty.
Maintenance, replacement, or repair of
the emission control devices and system
may be performed by any marine SI engine
repair establishment or individual. War-
ranty repair, however, must be performed
at an authorized Yamaha marine dealer-
ship.
WARNING
EWJ00312
Be sure to turn off the engine when you
perform maintenance unless otherwise
specified. If you are not familiar with ma-
chine servicing, this work should be done
by a Yamaha dealer or other qualified me-
chanic.
EJU42023Removing and installing the engine
cover
The engine cover is removable.To remove the engine cover:
(1) Remove the seats. (See page 49 for seat
removal and installation procedures.)
(2) Remove the engine cover screws.
(3) Lift up the engine cover to remove it.
To install the engine cover:
(1) Place the engine cover in its original po-
sition, and then push it down.
(2) Install the engine cover screws.
1Engine cover screw
1Engine cover
1
1
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Maintenance
93
EJU43101Periodic maintenance chart
The periodic maintenance chart gives general guidelines for periodic maintenance. Have a
Yamaha dealer perform the checks in the following chart. However, maintenance may need
to be performed more frequently depending on your operating conditions. If you have any
questions, consult a Yamaha dealer.
This “√” mark indicates items to be checked and serviced by a Yamaha dealer.
Item OperationInitial Thereafter every
Page
10 hours50 hours
or 12
months
*1100
hours or
12
months
*1200
hours or
24
months
*1
Fuel lineCheck fuel hoses and
clamps√—
Fuel filler cap/Wa-
ter separatorCheck O-rings for cracks
and deformation√—
Fuel tankCheck installation and
straps√—
Water inlet strainerCheck for clogs and dam-
age√—
Cooling water hos-
esCheck for damage and
leakage, and check
clamps√—
Engine oilReplace√√95
Oil filterReplace√95
Intermediate hous-
ingLubricate√—
Spark plugsCheck√√—
BatteryCheck state of charge,
terminals, bands, and
breather hose√—
Battery leadsCheck terminals√—
Steering masterCheck operation and for
looseness√√—
Steering cableCheck exterior and con-
nections, and lubricate√—
Electric trim rodCheck exterior and con-
nections, and lubricate√—
Shift rod and re-
verse gate Check exterior and con-
nections, and lubricate√—
Air filter elementCheck for damage and
dirt√—
Air intake hosesCheck for damage, and
check clamps√
—
Throttle bodyLubricate throttle valve√—
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