engine oil YAMAHA FX HO 2007 User Guide
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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 68 of 108
Operation
61
EJU32740
Operation
WARNING
EWJ00510
Before operating your watercraft, become
familiar with all of the controls. Consult a
Yamaha dealer about any control or func-
tion that you do not fully understand. Fail-
ure to understand how the controls work
could cause an accident or prevent you
from avoiding an accident.
CAUTION:
ECJ00460
Make sure that the stern drain plugs are
tightened securely before launching the
watercraft.
EJU36140Engine break-in
The engine break-in period is essential to al-
low the various components of the engine to
wear and polish themselves to the correct op-
erating clearances. This ensures proper per-
formance and promotes longer component
life.
CAUTION:
ECJ00440
Be sure to check the engine oil level be-
fore operating the watercraft for the first
time. (See page 53 for engine oil checking
procedures.)
(1) Launch the watercraft and start the en-
gine. (See page 61 for engine starting
procedures.)
(2) For the first 5 minutes, run the engine at
trolling speed only. For the 30 minutes of
operation after that, keep the engine
speed below 5000 r/min. For the 1 hour of
operation after that, keep the engine
speed below 8000 r/min.
(3) Proceed with normal operation.
CAUTION:
ECJ00430
Failure to follow the engine break-in pro-
cedure could result in reduced engine life
or even severe engine damage.
EJU32801Launching the watercraft
When launching the watercraft, make sure
that there are no obstacles behind you.
Use the remote control transmitter to select
the unlock mode. (See page 33 for Yamaha
Security System lock and unlock mode selec-
tion procedures.)
After the watercraft is in the water, start the
engine. Shift into reverse and move the water-
craft back slowly. If there are waves, some-
one should make sure that the watercraft is
not pushed into the trailer before backing
away.
EJU36340Starting the engine
WARNING
EWJ00560
Never start the engine or let it run for any
length of time in an enclosed area. Ex-
haust fumes contain carbon monoxide, a
colorless, odorless gas that may cause
loss of consciousness and death within a
short time. Always operate the watercraft
in an open area.
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Page 76 of 108
Operation
69
tion, and then move to the seat and sit
astride to balance the watercraft.
(2) Have a passenger pull him or herself up
onto the boarding platform into a kneeling
position, then move to the seat and sit
astride to balance the watercraft.
(3) Attach the engine shut-off cord to your left
wrist, and then attach the clip to the en-
gine shut-off switch.
(4) Start the engine and keep it at idle.
(5) Have the second passenger pull him or
herself up onto the boarding platform into
a kneeling position, then crawl onto the
seat as the watercraft accelerates.(6) Gradually increase the speed to balance
the watercraft.
EJU33230Capsized watercraft
If the watercraft capsizes, turn it over immedi-
ately.
Be sure to carefully follow the procedures be-
low to prevent injury, or damage to the water-
craft.
WARNING
EWJ00670
IMPROPER UPRIGHTING CAN CAUSE IN-
JURY:
Be sure to shut the engine off by pulling
on the engine shut-off cord to remove
the clip from the engine shut-off switch.
Do not put your hands in the intake
grate.
CAUTION:
ECJ00530
If the watercraft capsizes, release the
throttle lever immediately. Oil could flow
into the air filter case and the engine could
be damaged.
(1) Remove the clip from the engine shut-off
switch.
(2) Swim to the rear of the watercraft. Pull the
watercraft over with your left hand on the
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Page 89 of 108
Maintenance and care
82
* This operation should be performed after every use.
Nuts and boltsCheck—
Air filter elementCheck 84
Engine oilReplace 83
Oil filterReplace 83
Valve clearanceCheck, adjust— Item OperationInitial Thereafter every
Page 10
hours50
hours100
hours100
hours200
hours
6
months12
months12
months24
months
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Page 90 of 108
Maintenance and care
83
EJU34210Checking the fuel system
WARNING
EWJ00380
Gasoline is highly flammable and explo-
sive. Failure to check for and repair any
fuel leakage could result in a fire or explo-
sion. A fire or explosion can cause severe
injury or death. Shut the engine off. Do not
smoke. Avoid spilling gasoline.
Fuel in the fuel lines is pressurized.
Fuel can spray out and cause injury or a
fire hazard if a fuel line is disconnected.
Do not run the engine with a fuel line dis-
connected.
Check the fuel system for leaks, cracks, and
malfunctions. If any problem is found, consult
a Yamaha dealer.
Check:
Fuel tank filler cap and seal for damage.
Fuel in fuel tank for water and dirt.
Fuel tank for damage, cracks, and leakage.
Fuel hoses and joints for damage, cracks,
and leakage.
Air bleeding passages for leakage.EJU34230Fuel tank
Check the fuel tank for leakage and for water
in the tank. If water is found in the fuel system,
or if the fuel tank needs to be cleaned, have a
Yamaha dealer service the watercraft.
EJU34290Engine oil and oil filter
WARNING
EWJ00340
Engine oil is extremely hot immediately af-
ter the engine is turned off. Coming in con-
tact with or getting any engine oil on your
clothes could result in burns.
CAUTION:
ECJ00180
Do not run the engine with too much or
not enough oil in the oil tank. Oil could
spray out and the engine could be dam-
aged.
Be sure to change the engine oil after
the first 10 hours of operation, and every
100 hours thereafter or at the start of a
new season, otherwise the engine will
wear quickly.
The oil filter should be replaced every
year or every 100 hours of operation.
Have a Yamaha dealer replace the oil fil-
ter if necessary.
It is recommended to have a Yamaha dealer
change the engine oil. However, if you choose
to change the oil on your own, consult a
Yamaha dealer.
NOTE:
Dispose of used oil according to local regula-
tions.
1Fuel tank
Recommended engine oil:
See page 50.
Oil quantity:
With oil filter replacement:
2.3 L (2.43 US qt) (2.02 Imp.qt)
Without oil filter replacement:
2.1 L (2.22 US qt) (1.85 Imp.qt)
Total amount:
4.5 L (4.76 US qt) (3.96 Imp.qt)
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Page 91 of 108
Maintenance and care
84
CAUTION:
ECJ00190
If oil is leaking or the oil pressure warning
indicator comes on when the engine is
running, immediately shut the engine off
and have a Yamaha dealer check the wa-
tercraft. Continuing to operate the engine
under such conditions could cause severe
engine damage.
EJU34300Checking the air filter element
The air filter element should be checked every
12 months or every 100 hours of operation.
To check the air filter element:
(1) Remove the seats. (See page 24 for seat
removal and installation procedures.)
(2) Remove the air filter case cover screws,
slide the locks open, and then remove the
air filter case cover.
(3) Remove the air filter element and check it
for dirt and oil. Replace the air filter ele-ment if there is any oil buildup, or every 2
years or every 200 hours of operation.
(4) Install the air filter element in the air filter
case, and then install the air filter case
cover.
(5) Install the seats.
CAUTION:
ECJ00200
Make sure that the air filter element is in-
stalled in the air filter case properly.
Do not start the engine with the air filter
element removed, otherwise the pistons
and cylinders could be damaged.
If cleaning the air filter element, use cold
or lukewarm water and let it air dry com-
pletely. Do not use detergent or solvent
to clean the air filter element, or dry it
with hot or compressed air, otherwise it
could be damaged.
1Air filter case cover screw
2Lock
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Page 93 of 108
Maintenance and care
86
EJU34381Cleaning and adjusting the spark
plugs
The spark plug is an important engine compo-
nent and is easy to inspect. The condition of
the spark plug can indicate something about
the condition of the engine. For example, if
one spark plug has a distinctly different color,
the engine could require servicing. Do not at-
tempt to diagnose any problems yourself.
Have a Yamaha dealer service the watercraft.
Remove and inspect the spark plugs periodi-
cally; heat and deposits will cause the spark
plugs to slowly break down and erode. If elec-
trode erosion becomes excessive, or if carbon
and other deposits are excessive, replace the
spark plug with the specified plug.
To remove a spark plug:
(1) Remove the air filter case cover and air
filter element. (See page 84 for air filter
element removal and installation proce-
dures.)
(2) Remove the spark plug cap.
CAUTION:
ECJ00210
Do not use any tools to remove or install
the spark plug cap, otherwise the ignition
coil coupler could be damaged. The spark
plug cap may be difficult to remove be-
cause the rubber seal on the end of the
cap fits tightly. To remove the spark plug
cap, simply twist it back and forth while
pulling it up; to install it, twist it back and
forth while pushing it down.
(3) Remove the spark plug.
Measure the spark plug gap with a wire
thickness gauge. Replace the spark plugor adjust the gap to specification if neces-
sary.
To install a spark plug:
(1) Clean the gasket surface.
(2) Wipe any dirt from the threads of the
spark plug.
(3) Install the spark plug, and then tighten it
to the specified torque.
(4) Install the spark plug cap.
NOTE:
Wipe off any water on the spark plug or in-
side the spark plug cap before installing the
cap. Push the spark plug cap down until it is
securely installed.
If a torque wrench is not available when you
are installing a spark plug, a good estimate
of the correct torque is 1/4 turn to 1/2 turn
past finger tight using the spark plug
wrench included in the tool kit. Have the
spark plug adjusted to the correct torque
with a torque wrench as soon as possible.
Specified spark plug:
CR9EB
1Spark plug gap
Spark plug gap:
0.7–0.8 mm (0.028–0.031 in)
Spark plug tightening torque:
12.5 Nm (9.2 ft-lb) (1.27 kgf-m)
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Page 98 of 108
Specifications
91
EJU34542
Specifications
Watercraft capacity:
Maximum people on board:
3 person
Maximum load capacity:
240 kg (530 lb)
Dimensions:
Length:
3340 mm (131.5 in)
Width:
1230 mm (48.4 in)
Height:
FX High Output 1160 mm (45.7 in)
FX Cruiser High Output 1240 mm (48.8 in)
Dry weight:
FX High Output 378 kg (833 lb)
FX Cruiser High Output 383 kg (844 lb)
Performance:
Maximum output (according to ISO 8665/SAE
J1228):
104.50 kW@10000 r/min
Maximum fuel consumption:
45.0 L/h (11.9 US gal/h) (9.9 Imp.gal/h)
Cruising range at full throttle:
1.56 hour
Trolling speed:
1650 ±50 r/min
Engine:
Engine type:
Liquid cooled 4-stroke, DOHC
Number of cylinders:
4
Engine displacement:
1052 cm³
Bore & stroke:
76.0 × 58.0 mm (2.99 × 2.28 in)
Compression ratio:
11.9 : 1
Valve clearance-intake (cold):
0.11–0.20 mm (0.0043–0.0079 in)
Valve clearance-exhaust (cold):
0.25–0.34 mm (0.0098–0.0134 in)
Lubrication system:
Dry sump
Cooling system:
Water
Starting system:
ElectricIgnition system:
T.C.I.
Spark plug:
CR9EB
Spark plug gap:
0.7–0.8 mm (0.028–0.031 in)
Battery capacity:
12 V, 19.0 Ah
Charging system:
Flywheel magneto
Drive unit:
Propulsion system:
Jet pump
Jet pump type:
Axial flow, single stage
Impeller rotation:
Counterclockwise
Jet thrust nozzle angle:
24.0+24.0 °
Jet thrust nozzle trim angle:
-10, -5, 0, 5, 10 °
Fuel and oil:
Recommended fuel:
Regular unleaded gasoline
Minimum octane rating (PON):
86
Minimum octane rating (RON):
90
Recommended oil:
SAE 10W-30
Oil grade:
API SE,SF,SG,SH,SJ,SL
Fuel tank total capacity:
70 L (18.5 US gal) (15.4 Imp.gal)
Engine oil quantity with oil filter replacement:
2.3 L (2.43 US qt) (2.02 Imp.qt)
Engine oil quantity without oil filter replacement:
2.1 L (2.22 US qt) (1.85 Imp.qt)
Engine oil total quantity:
4.5 L (4.76 US qt) (3.96 Imp.qt)
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Page 100 of 108
Trouble recovery
93
Engine runs irregu-
larly or stallsFuel Empty Refill as soon as pos-
sible50
Stale or contaminat-
edHave serviced by
Yamaha dealer83
Fuel tank Water or dirt present Have serviced by
Yamaha dealer83
Spark plug Fouled or defective Replace 86
Incorrect heat range Replace 86
Gap incorrect Adjust 86
Spark plug
capLoose Connect properly 86
Cracked, torn, or
damagedReplace
—
Electrical wir-
ingLoose connection Tighten or connect
properly—
Fuel injec-
tion systemFaulty or clogged in-
jectorsHave serviced by
Yamaha dealer—
Warning light or in-
dicator blinksFuel level Empty Refill as soon as pos-
sible50
Engine over-
heatedJet intake clogged Clean
94
Exhaust gas
temperatureGas temperature is
too highCool down engine
41
Check engine
warningFaulty sensors Have serviced by
Yamaha dealer41
Watercraft slow or
loses powerCavitation Jet intake clogged Clean 94
Impeller damaged or
wornHave serviced by
Yamaha dealer94
Engine over-
heat warningEngine speed reduc-
tion control activatedClean jet intake and
cool engine40
Oil pressure
warningEngine speed reduc-
tion control activatedAdd oil
40
Spark plug Fouled or defective Replace 86
Incorrect heat range Replace 86
Gap incorrect Adjust 86
Spark plug
capsLoose Connect properly
86
Electrical wir-
ingLoose connection Tighten or connect
properly—
Fuel Stale or contaminat-
edHave serviced by
Yamaha dealer83
Air filter Clogged Clean or replace 84
Oil buildup Replace 84 TROUBLE POSSIBLE CAUSE REMEDY PAGE
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Page 102 of 108
Trouble recovery
95
CAUTION:
ECJ00660
Place a suitable clean cloth or carpeting
underneath the watercraft to protect it
from abrasions and scratches.
Always turn the watercraft over onto its
port (left) side.
When turning the watercraft on its side,
support the bow so that the handlebars
are not bent or damaged.
(2) Remove any weeds or debris from
around the drive shaft, impeller, jet pump
housing, and jet thrust nozzle.
If debris is difficult to remove, consult a
Yamaha dealer.
CAUTION:
ECJ00670
Always avoid operating your watercraft in
areas where weed growth is thick. If travel-
ing in weeded areas is unavoidable, oper-
ate the engine alternately at partial throttle
and full throttle. Weeds tend to accumu-
late more at a steady speed and at trolling
speed. If weeds clog the jet intake or im-
peller area and cause cavitation, follow the
cleaning procedure above.
EJU34640Jumping the battery
If the watercraft battery has run down, the en-
gine can be started using a 12-volt booster
battery and jumper cables.
WARNING
EWJ00790
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, beatenegg, or vegetable oil. Call a physician im-
mediately.
Eyes: Flush with water for 15 minutes and
get prompt medical attention.
Batteries produce explosive gases. Keep
sparks, flames, cigarettes, etc., well away.
If using or charging the battery in an en-
closed space, make sure that it is well ven-
tilated. Always shield your eyes when
working near batteries.
KEEP OUT OF THE REACH OF CHILDREN.
EJU34660Connecting the jumper cables
(1) Connect the positive (+) jumper cable to
the positive (+) battery terminals of both
batteries.
(2) Connect one end of the negative (–)
jumper cable to the negative (–) battery
terminal of the booster battery.
(3) Connect the other end of the negative (–)
jumper cable to an engine hanger.
CAUTION:
ECJ00680
Do not connect the end of the negative (–)
jumper cable to the negative (–) battery
terminal of the watercraft battery! Make
sure that all connections are secure and
correct before attempting to start the en-
1Positive (+) jumper cable
2Negative (–) jumper cable
3Booster battery
4Engine hanger
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