YAMAHA FX HO 2007 Manual Online

Operation
74
(5) Flush the cooling system to prevent it
from clogging with salt, sand, or dirt. (See
page 76 for flushing procedures.)
(6) Drain residual water from the exhaust
system by alternately squeezing and re-
leasing the throttle lever for 10 to 15 sec-
onds while the engine is running.
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.
(7) If the watercraft will be stored for a week
or more, lubricate internal engine compo-
nents to help prevent corrosion. (See
page 77 for lubrication procedures.)
(8) Rinse the engine and engine compart-
ment with a small amount of water.
CAUTION:
ECJ00570
Do not use high-pressure water when rins-
ing the engine or engine compartment as
severe engine damage could result.
(9) Wipe the engine and engine compart-
ment dry with a clean cloth (repeat step 3,
if necessary).
(10) Wipe the hull, handlebars, and jet unit dry
with a clean cloth.
(11) Spray a rust inhibitor on metallic parts to
minimize corrosion.(12) Allow the engine compartment to air dry
completely before installing the seat.
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Operation
75
EJU33461
Transporting
When transporting the watercraft on a trailer,
secure the tie downs to the trailer through the
bow eye and stern eyes.
CAUTION:
ECJ00641

Do not attach ropes or tie downs to any
part of the watercraft other than the bow
eye and stern eyes to secure the water-
craft to the trailer. Otherwise, the water-
craft may be damaged.

Do not route ropes or tie downs over the
seat, as they may leave permanent
marks on the seat’s surface. Also, wrap
the ropes or tie downs with towels or
rags where they touch the body of the
watercraft to avoid scratches or dam-
age.

Before putting the watercraft on the trail-
er or transporting it, be sure to put the
shift lever in the forward position, other-
wise the reverse gate may hit an obsta-
cle, which may cause damage.
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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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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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Maintenance and care
78
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.
Add approximately 550 ml (18.6 US oz, 19.4
Imp oz) of Yamaha Fuel Stabilizer and Condi-
tioner to the fuel tank, and then top it off with
fresh gasoline.
CAUTION:
ECJ00140
Use only Yamaha Fuel Stabilizer and Con-
ditioner, otherwise the catalytic converter
could be seriously damaged.
EJU33680Battery
If the watercraft will not be used for more than
a month, remove the battery from the water-
craft and store it in a cool, dry place.
(1) Disconnect the negative (–) battery lead
first, then the positive (+) battery lead and
breather hose, and then remove the bat-
tery from the watercraft.
(2) Clean the battery casing using fresh wa-
ter.
(3) If the battery terminals are dirty or corrod-
ed, clean them with a wire brush.
(4) Fully charge the battery.
(5) Apply Yamaha Marine Grease or
Yamaha Grease A to the battery termi-
nals, and then store the battery in a cool,
dry place.(6) Check the battery at least once every 2
months and fully charge it if necessary.
CAUTION:
ECJ00100
Always keep the battery charged. Storing
a discharged battery can cause permanent
battery damage.
To check the condition of the battery, check
the specific gravity of the electrolyte or mea-
sure the voltage at both battery terminals.
Charge the battery if the voltage is less than
12 volts.
It is recommended to have a Yamaha dealer
check the specific gravity and charge the bat-
tery. If you maintain the battery yourself, be
sure to read and follow the instructions provid-
ed with the battery tester and charger you
use.
EJU33730Cleaning the watercraft
Clean the watercraft before storing it for a long
period.
(1) Wash down the hull, handlebars, and jet
unit with fresh water.
(2) Rinse the engine and bilge area with
fresh water. Drain all of the water and
wipe up any remaining moisture with
clean, dry rags.
CAUTION:
ECJ00110
Do not use high-pressure water when rins-
ing the engine and bilge area as severe en-
gine damage could result.
(3) Spray the engine’s exterior with a rust in-
hibitor and lubricant.
(4) Wax the hull with a non-abrasive wax.Specific gravity (for reference):
1.28 at 20 °C (68 °F)
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Maintenance and care
79
(5) Wipe all vinyl and rubber components,
such as the seat and engine compart-
ment seals, with a vinyl protectant.EJU33761
Maintenance and adjustments
Periodic inspection, adjustment, and lubrica-
tion will keep your watercraft in the safest and
most efficient condition possible. Safety is an
obligation of the watercraft owner. Proper
maintenance must be carried out to keep the
exhaust emission and sound levels within the
regulated limits. The most important points of
watercraft inspection, adjustment, and lubri-
cation are explained on the following pages.
See a Yamaha dealer for genuine Yamaha re-
placement parts and optional accessories de-
signed 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 re-
pair establishment or individual. Warranty
repair, however, must be performed at an
authorized Yamaha marine dealership.
WARNING
EWJ00310

Be sure to shut the engine off when you
perform maintenance unless otherwise
specified, otherwise an accident or inju-
ry could result from unexpected opera-
tion, moving parts, or electric shock. If
the owner is not familiar with watercraft
servicing, this work should be done by a
Yamaha dealer. Improperly serviced
components could fail or stop operating
correctly, which could result in an acci-
dent.

Modifications to this watercraft not ap-
proved by Yamaha may cause loss of
performance or excessive noise and ex-
haust emissions, or render it unsafe for
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Maintenance and care
80
use. Consult a Yamaha dealer before at-
tempting any modifications.
EJU33810Owner’s/operator’s manual and tool
kit
It is advisable to always carry the owner’s/op-
erator’s manual and tool kit with you whenev-
er you use the watercraft. For your
convenience, a storage compartment is pro-
vided on the watercraft for the manual and
tool kit.
NOTE:
To protect these materials from water dam-
age, it would be a good idea to put them in a
waterproof bag.
The service information included in this man-
ual is intended to provide you, the owner, with
the necessary information for completing your
own preventive maintenance and minor re-
pairs. The tools provided in the tool kit are suf-
ficient for this purpose, except that a torquewrench may also be necessary to tighten nuts
and bolts.
1Storage compartment
1Tool bag
2Screwdriver
316 mm box wrench
410/12 mm box wrench
5Pliers
6Open-end wrench
7Garden hose adapter
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Maintenance and care
81
EJU33820Periodic maintenance chart
The following chart gives general guidelines for periodic maintenance. However, maintenance
may need to be performed more frequently depending on your operating conditions.
This “” mark indicates maintenance that you may do yourself.
This “” mark indicates work to be done by a Yamaha dealer.
Item OperationInitial Thereafter every
Page 10
hours50
hours100
hours100
hours200
hours
6
months12
months12
months24
months
Spark plugsCheck, clean, adjust 86
Lubrication pointsLubricate 87
Intermediate hous-
ingLubricate 87
Fuel systemCheck 83
Fuel tankCheck, clean 83
Trolling speedCheck, adjust 90
Throttle shaftCheck—
Cooling water pas-
sagesFlush
*76
Water inlet strain-
erCheck, clean—
Bilge strainerClean—
Electric bilge
pump strainerCheck, clean—
ImpellerCheck—
Jet thrust nozzle
angleCheck, adjust 85
Steering masterCheck—
QSTS mechanismCheck, adjust—
Shift cable and re-
verse gateCheck, adjust 85
Throttle cableCheck, adjust 85
Stern drain plugsCheck, replace 55
BatteryCheck, charge 88
Rubber couplingCheck—
Engine mountCheck—
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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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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)
UF1X71E0.book Page 83 Tuesday, September 26, 2006 9:52 AM