fuel YAMAHA FX HO 2007 User Guide
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Page 46 of 108
Features and functions
39
The fuel level meter has eight segments
which show the amount of fuel remaining in
the fuel tank.
NOTE:
The fuel level is most accurate when the wa-
tercraft is sitting level on a trailer or in the wa-
ter.
EJU35060Hour meter/voltmeter
NOTE:
To switch the display between the hour meter
and the voltmeter, push the “Volt/Hour” button
for at least 1 second after the meter is dis-
played for more than 10 seconds.
Hour meter
The hour meter is provided to make it easy to
follow the maintenance schedule.The meter shows the hours of engine opera-
tion that have elapsed since the watercraft
was new.
Voltmeter
The voltmeter is provided to display the volt-
age of the battery.
When the battery voltage is normal, the volt-
meter displays approximately 12 volts.
If the battery voltage is less than 8.0 volts,
“LO” is displayed on the voltmeter and if the
voltage is above 18.1 volts, “HI” is displayed
on the voltmeter. If “HI” or “LO” is displayed,
return to shore and, if necessary, have a
Yamaha dealer check the charging system
and the battery.
EJU35072Fuel level warning indicator
If the fuel remaining in the fuel tank drops to
about 13 L (3.4 US gal, 2.9 Imp gal), the low-
est two fuel level segments, the fuel level
warning indicator, and the “WARNING” indi-
cator light begin to blink. The buzzer also
starts sounding intermittently.
If this occurs, refill the fuel tank as soon as
possible.
The warning signals will be cleared when the
engine is restarted after the fuel tank is re-
filled.
NOTE:
Press any button on the multifunction informa-
tion center to stop the buzzer.
1Fuel level meter
1Hour meter/voltmeter
2“Volt/Hour” button
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Page 49 of 108
Features and functions
42
check engine warning indicator begin to blink,
and the buzzer sounds intermittently.
If this occurs, reduce the engine speed, return
to shore, and have a Yamaha dealer check
the engine.
NOTE:
Press any button on the multifunction informa-
tion center to stop the buzzer.
EJU35033Right multifunction display and operation
buttons (for FX Cruiser High Output)
The right multifunction display shows the fol-
lowing information.
Compass
Average speed
Tripmeter
Trip timer
Fuel consumption per hour
Fuel consumption per kilometer/mile
Water temperature
Air temperatureThe following operation buttons are on the
right side of the multifunction information cen-
ter.
To switch the display mode, push the
“Mode/Reset” button for less than 1 second.
The display mode changes in the following or-
der.
Compass → Average speed → Tripmeter →
Trip timer → Fuel consumption per hour →
Fuel consumption per kilometer/mile → Water
temperature → Air temperature
NOTE:
To switch the display units between kilome-
ters/liters/degrees Celsius and miles/gal-
lons/degrees Fahrenheit, push the
“Volt/Hour” button for at least 1 second,
within 10 seconds after the multifunction in-
formation center starts operating.
The “SPEED” indicator light blinks three
times if miles/gallons/degrees Fahrenheit
are selected as the display units when the
multifunction information center starts oper-
1“Mode/Reset” button
2“Start/Stop” button
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Page 51 of 108
Features and functions
44
Fuel consumption per hour
This display shows the current fuel consump-
tion in gallons per hour “G/HR” or liters per
hour “L/HR”.
Fuel consumption per kilometer/mile
This display shows the current fuel consump-
tion in gallons per mile “G/MILE” or liters per
kilometer “L/KM”.
NOTE:
The actual fuel consumption varies depend-
ing on the operating conditions. Use this func-
tion as a reference only.
Water temperature
This display shows the ambient water temper-
ature “L TEMP” (lake temperature).
Air temperature
This display shows the ambient air tempera-
ture “E TEMP” (environmental temperature).
Average speed/Tripmeter/Trip timer
modes
Average speed, distance traveled, and trip
time are recorded once measurements have
started, regardless of the current display.
To start the measurements, push the
“Start/Stop” button for less than 1 second.
The beeper sounds once.
To stop the measurements, push the
“Start/Stop” button for less than 1 second.
The beeper sounds once. To restart the mea-
surements, push the “Start/Stop” button for
less than 1 second. The beeper sounds once.
To reset the displays, push the “Mode/Reset”
button for at least 2 seconds while the mea-
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Page 56 of 108
Operation
49
EJU31820
Fuel and oil
This watercraft is equipped with a 4-stroke en-
gine. Conventional 2-stroke engine oil cannot
be used.
The engine utilizes an electronic fuel injection
system to deliver the optimal air-fuel ratio re-
quired by the engine. By ensuring the optimal
combustion conditions, this system is able to
increase startability and improve fuel econo-
my.
EJU36330Gasoline
WARNING
EWJ00280
GASOLINE AND ITS VAPORS ARE HIGH-
LY FLAMMABLE AND EXPLOSIVE!
Do not smoke when refueling, and keep
away from sparks, flames, and other
sources of ignition.
Stop the engine before refueling.
Refuel in a well-ventilated area with the
watercraft in a horizontal position.
Do not stand or sit on the watercraft
while refueling in case of fire.
Take care not to spill gasoline. If gaso-
line spills, wipe it up immediately with
dry rags. Always properly dispose of
gasoline-soaked rags.
Avoid overfilling the fuel tank. Stop fill-
ing when the fuel level reaches approxi-
mately 50 mm (2 in) from the top of the
fuel tank. Fuel expands as it warms up
and could overflow if the fuel tank has
been overfilled. If temporarily leaving
the watercraft with a full fuel tank, do not
leave it in direct sunlight. Leave it in a
well-ventilated area with the watercraft
in a horizontal position.
Tighten the fuel tank filler cap securely
after refueling.
If you should swallow some gasoline, in-
hale a lot of gasoline vapor, or get gaso-
line in your eyes, get immediate medical
attention.
If any gasoline spills on your skin or
clothing, immediately wash the affected
area with soap and water and change
your clothes.
CAUTION:
ECJ00320
Do not use leaded gasoline. Leaded gas-
oline can seriously damage the catalytic
converter.
Use only fresh gasoline that has been
stored in clean containers.
EJU31860Gasohol
There are two types of gasohol: gasohol con-
taining ethanol and that containing methanol.
Gasohol containing ethanol can be used if
ethanol content does not exceed 10% and the
fuel meets the minimum octane ratings.
Gasohol containing methanol is not recom-
mended by Yamaha because it can cause
fuel system damage and engine performance
problems.Recommended gasoline:
Regular unleaded gasoline with a mini-
mum octane rating of
86 (Pump octane number) = (R +
M)/2
90 (Research octane number)
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Page 57 of 108
Operation
50
EJU31890Engine oil
Use a combination of the recommended SAE
and API engine oil classifications shown in the
chart below.
CAUTION:
ECJ00280
Use only 4-stroke engine oil.
EJU31950Filling the fuel tank
CAUTION:
ECJ00290
Be careful when refueling. Avoid getting
water and other contaminants in the fuel
tank. Contaminated fuel can cause poor
running and engine damage.
(1) Remove the seats. (See page 24 for seat
removal and installation procedures.)
(2) Remove the fuel tank filler cap, and then
slowly add fuel to the fuel tank. Stop filling
when the fuel level reaches approximate-ly 50 mm (2 in) from the top of the fuel
tank as indicated in the illustration.
(3) Install the fuel tank filler cap and the
seats.
1Approximately 50 mm (2 in) from top of the
fuel tank
Fuel tank capacity:
70 L (18.5 US gal) (15.4 Imp.gal)
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Page 58 of 108
Operation
51
EJU31980
Pre-operation checks EJU31990Pre-operation check list
Before operating this watercraft, perform the checks in the following check list. See the accom-
panying text in this chapter for details on how to perform the checks.
WARNING
EWJ00410
If any item in the pre-operation check list is not working properly, have it inspected and
repaired before operating the watercraft, otherwise an accident could occur.
ITEM ROUTINE PAGE
BEFORE LAUNCH OR OPERATION
Engine compartmentRemove the seats to ventilate the engine compart-
ment. Check for fuel vapors and loose electrical con-
nections.53
BilgeCheck for water and fuel and drain if necessary. 54
Stern drain plugsCheck for proper installation. 55
Throttle leverCheck that the throttle lever springs back smoothly. 57
Steering systemCheck for proper operation.
Check that the handlebars are locked in place.57
Shift lever and reverse gateCheck for proper operation. 57
QSTSCheck for proper operation. 58
Fuel and oilCheck the fuel and oil levels and replenish if neces-
sary.
Check the hoses and tanks for leakage.53, 53
Water separatorCheck for water and drain if necessary. 54
BatteryCheck the electrolyte level and battery condition. 55
HoodCheck that the hood is securely closed. 25
Front and rear seatsCheck that the seats are securely installed. 24
Hull and deckCheck the hull and deck for cracks and other dam-
age.53
Jet intakeCheck for debris and remove if necessary. 59
Fire extinguisherCheck the condition and replace if necessary. 56
Engine shut-off cordCheck the condition and replace if frayed or broken. 59
SwitchesCheck the start switch, engine stop switch, and en-
gine shut-off switch for proper operation.60
AFTER LAUNCH
Cooling water pilot outletCheck that water is discharged while the engine is
running and the watercraft is in the water.60
Multifunction information
centerCheck for warning indications and proper operation. 60
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Page 60 of 108
Operation
53
EJU32280Pre-operation check points EJU32330Engine compartment
Ventilate the engine compartment before
each use.
To ventilate the engine compartment, remove
the seats. (See page 24 for seat removal and
installation procedures.) Leave the engine
compartment open for a few minutes to allow
any fuel vapors to escape.
While the engine compartment is open, check
for loose electrical connections.
WARNING
EWJ00460
Failure to ventilate the engine compart-
ment could result in a fire or explosion. Do
not start the engine if there is a fuel leak or
a loose electrical connection.
EJU32350Hull and deck
Check the hull and deck for cracks and other
damage. If any damage is found, have a
Yamaha dealer repair the watercraft.
EJU32380Fuel level
Check the fuel system for leakage, cracks,
and malfunctions before each use. (See page
83 for check points and correct procedures.)
(1) Remove the fuel tank filler cap to release
any pressure that might have built up in
the fuel tank.(2) Remove the seats. (See page 24 for seat
removal and installation procedures.)
(3) Check the fuel level in the fuel tank and
replenish if necessary. (See page 50 for
filling procedures.)
(4) Install the fuel tank filler cap and the
seats.
EJU32411Engine oil level
Check the engine oil level before each use.
CAUTION:
ECJ00390
When checking the engine oil level on
water, be careful of other watercraft,
boats, swimmers, and obstacles. The
water current and wind can cause the
watercraft to move and lead to a colli-
sion.
When checking the engine oil level on
land, supply water to the cooling water
passages. (See page 76 for procedures
on supplying water.)
Make sure that the engine has enough
oil, but do not overfill it. If there is too lit-
tle oil, the engine can be damaged. If
there is too much oil, the air filter can be-
come saturated with oil, permanently
damaging the filter and reducing engine
performance. Follow the checking pro-
cedure carefully.
Make sure that debris and water do not
enter the oil tank filler hole. Debris and
water in the engine oil can cause serious
engine damage.
To check the engine oil level:
(1) Place the watercraft in a horizontal posi-
tion or launch the watercraft, and then
start the engine.
(2) Run the engine at trolling speed for 6 min-
utes or more, and then stop the engine.
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Page 61 of 108
Operation
54
NOTE:
If the ambient temperature is 20 °C (68 °F) or
less, warm up the engine for an additional 5
minutes.
(3) Remove the seats. (See page 24 for seat
removal and installation procedures.)
(4) Remove the oil tank filler cap, wipe the
dipstick clean, and then screw the filler
cap into the filler hole completely. Re-
move the filler cap again and check that
the engine oil level is between the mini-
mum level mark and maximum level
mark on the dipstick.
(5) If the engine oil level is below the mini-
mum level mark, add enough oil so that
the oil level is between the minimum and
maximum level marks on the dipstick,and then install the filler cap. If the engine
oil level is significantly above the maxi-
mum level mark, the oil tank is overfilled.
Have a Yamaha dealer remove the ex-
cessive amount of engine oil.EJU32420Water separator
Check the water separator for water. The wa-
ter separator retains any water that may have
entered through the fuel tank breather hose if
the watercraft was capsized. Normally, the
water separator is empty.
If water remains in the water separator, drain
it by removing the drain screw. Place a drain
pan under the water separator to catch the
draining water or use a dry cloth to soak up
any water that could spill into the watercraft. If
any water spills into the watercraft, be sure to
wipe it up with a dry cloth. Also, be sure to in-
stall the drain screw after draining the water
separator.
EJU32450Bilge
Check the bilge for moisture and fuel residue.
This watercraft is equipped with a convention-
al jet vacuum bilge draining system and an
electric bilge draining system. The electric
bilge draining system is operated when the
engine is running. When excess water reach-
es the water inlet of the electric bilge pump,
1Oil tank filler cap
1Minimum level mark
2Maximum level mark
1Water separator
2Drain screw
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Page 83 of 108
Maintenance and care
76
EJU33490
Storage
WARNING
EWJ00330
Always place the watercraft upright in a
horizontal position when storing it, other-
wise fuel could leak out into the engine or
engine compartment, which could create a
fire hazard.
Storage for long periods of time, such as win-
ter storage, requires preventive maintenance
to ensure against deterioration. It is advisable
to have the watercraft serviced by a Yamaha
dealer prior to storage. However, the following
procedures can be performed by the owner.
EJU36371Flushing the cooling system
Flushing the cooling system is essential to
prevent it from clogging with salt, sand, or dirt.
CAUTION:
ECJ00971
Do not supply water to the cooling water
passages when the engine is not run-
ning. The water could flow back through
the muffler into the engine, causing se-
vere engine damage.
Do not run the engine for more than 15
seconds on land without supplying wa-
ter, otherwise the engine could over-
heat.
Do not run the engine over 6000 r/min on
land, otherwise the catalytic converter
could be seriously damaged.
(1) Remove the watercraft from the water
and place it in a horizontal position.
(2) Remove the rear seat and seat storage
compartment. (See page 24 for seat re-
moval and installation procedures.)
(3) Remove the flushing hose connector
cap, and then insert the garden hoseadapter into the flushing hose connector
and turn it until it is securely connected.
(4) Connect the garden hose adapter to a
water tap using a garden hose.
NOTE:
A garden hose is not included and must be
purchased separately.
(5) Start the engine, and then immediately
turn the water supply on until water flows
out continually from the jet thrust nozzle.
(6) 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 repeat
the above steps.
(7) Turn the water supply off, and then force
the remaining water out of the cooling
1Flushing hose connector cap
2Garden hose adapter
3Flushing hose connector
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Page 84 of 108
Maintenance and care
77
water passages by alternately squeezing
and releasing the throttle lever for 10 to
15 seconds, making sure not to run the
engine over 6000 r/min.
(8) Stop the engine.
(9) Remove the garden hose adapter and in-
stall the flushing hose connector cap.
EJU33600Lubrication
WARNING
EWJ00260
Do not spray flammable rust inhibitor
products on engine surfaces while the en-
gine is hot. The sprayed substance or pro-
pellants could catch fire.
(1) Remove the seats. (See page 24 for seat
removal and installation procedures.)
(2) Remove the air filter case cover and the
air filter element. (See page 84 for air fil-
ter case cover and air filter element re-
moval and installation procedures.)
(3) Spray a rust inhibitor into each intake
opening for 3 seconds.
(4) Install the air filter element in the air filter
case, and then install the air filter case
cover.
(5) Start the engine in a well-ventilated area
and let it run at idle for 15 seconds.
CAUTION:
ECJ00160
Do not run the engine for more than 15
seconds, otherwise the engine could over-
heat.
(6) Lubricate all cables such as the throttle
and steering cables.
NOTE:
Use a suitable marine grease applicator to
pressure-lubricate the cables and purge out
any moisture between the inner and outer ca-
bles.
(7) Lubricate the areas of the watercraft
specified in “Lubrication points” on page
87.
EJU36380Fuel system
WARNING
EWJ00280
GASOLINE AND ITS VAPORS ARE HIGH-
LY FLAMMABLE AND EXPLOSIVE!
Do not smoke when refueling, and keep
away from sparks, flames, and other
sources of ignition.
Stop the engine before refueling.
Refuel in a well-ventilated area with the
watercraft in a horizontal position.
Do not stand or sit on the watercraft
while refueling in case of fire.
Take care not to spill gasoline. If gaso-
line spills, wipe it up immediately with
dry rags. Always properly dispose of
gasoline-soaked rags.
Avoid overfilling the fuel tank. Stop fill-
ing when the fuel level reaches approxi-
mately 50 mm (2 in) from the top of the
fuel tank. Fuel expands as it warms up
and could overflow if the fuel tank has
been overfilled. If temporarily leaving
the watercraft with a full fuel tank, do not
1Intake opening
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