2001 YAMAHA XL 700 cooling

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EJU00326
FEATURES AND
FUNCTIONS
Location of main components............... 2-1
Operation of controls and other
functions.................................................... 2-4
Rear seat................................................. 2-4
Front seat ................................................ 2-5
Hood ........................................................ 2-6
Fuel tank filler cap ................................... 2-6
Oil tank filler cap...................................... 2-6
Fuel cock knob........................................ 2-7
Engine stop switch .................................. 2-8
Engine shut-off switch............................. 2-8
Choke knob ............................................. 2-8
Throttle lever ........................................... 2-9
Start switch.............................................. 2-9
Cooling water pilot outlet ...................... 2-10
Steering system .................................... 2-10
Engine overheat warning system ......... 2-11
Handgrip................................................ 2-12
Oil level warning lamp........................... 2-12
Storage compartments ......................... 2-13
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2-1
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EJU00327
Location of main components
1Cooling water pilot outlet
Use to verify cooling water flow.
2Bow eye
Use to attach rope for transporting, mooring or
towing the watercraft in an emergency.
3Front storage compartment
4Hood
5Fuel cock knob
Use to select either normal or reserve fuel flow
from the fuel tank to the carburetors, or to shut
off fuel flow.
6Handlebars
Use to control direction.
7Fuel tank filler cap
8Rope hole
Use to attach a rope for mooring only.
9Oil tank filler cap
0Choke knob
Use to start a cold engine.AFootwell
Use to place feet for balance.
BFootrest
CFire extinguisher container
Use to store the fire extinguisher.
DIntake grate
Prevents debris from getting into the jet pump.
EHandgrip
Use for suppor t when boarding the watercraft
or when seated facing rearward and acting as
a spotter for a water-skier.
FRear seat
GFront seat
HGlove compartment
ISeat storage compartments
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2-3
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1Silencer
Prevents water from getting into the engine
and reduces air intake noise.
2Spark plugs/caps
3Electrical box
Protects electrical components from water.
4Spark plug lead
5Muffler6Fuel tank
7Oil tank
8Fuel filter
9Flush hose connector
Use to flush the engine cooling water pas-
sages.
0Battery
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2-10
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Cooling water pilot outlet
This watercraft is equipped with a cooling
water pilot outlet.
When the engine is running, cooling
water is circulated in the engine, and then it
is discharged from the pilot outlet.
To check for proper operation of the cool-
ing system, check that water is being dis-
charged from the pilot outlet. If water is not
being discharged from the outlet, cooling
water may not be circulating in the engine.
When this occurs, stop the engine and check
for the cause. (See pages 2-11 and 5-3 for
further instructions.)
NOTE:
If the cooling water passages are dry, it will
take about 20 seconds for the water to reach
the outlet after the engine is started.
EJU00356
Steering system
Your watercraft can be steered by turning
the handlebars 1 the same direction you
wish to travel.
When the handlebars are turned, the
angle of the jet thrust nozzle 2 is changed,
and the direction of the watercraft is
changed accordingly. Since the strength of
the jet thrust determines the speed and
direction of a turn, the throttle must always
be open when attempting a turn, except at
trolling speed.
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2-11
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EJU00366
Engine overheat warning
system
This model is equipped with an engine
overheat warning system.
If the engine starts to overheat, the
engine speed will be limited to about
3,000 r/min.
When this occurs, check for water dis-
charge at the cooling water pilot outlet. If
there is no discharge of water, reduce the
engine speed and beach the watercraft, and
then check the intake grate and impeller for
clogging.
WARNING
Before attempting to remove weeds or
debris from the intake grate or impeller,
shut the engine off and remove the clip
from the engine shut-off switch. Severe
injury or death could result from coming
in contact with the rotating parts of the
jet pump.
CAUTION:
If you cannot locate and correct the
cause of the overheating, consult a
Yamaha dealer. Continuing to operate at
higher speeds could result in severe
engine damage.
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3-5
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EJU00422
Pre-operation checks
Pre-operation check list
Before operating this watercraft, perform the checks in the following check list. See the
accompanying text in this chapter for details on how to perform the checks.
WARNING
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.
NOTE:
Pre-operation checks should be made thoroughly each time the watercraft is used. This pro-
cedure can be completed in a short time. It is worth the time spent to assure safety and reli-
ability.
ITEM ROUTINE PAGE
Engine compartment Remove all seats and front storage compart-
ment to ventilate engine compartment. Check for
fuel vapors or loose electrical connections3-6
Bilge Check for water and fuel residue and remove if
necessary3-7
Throttle Check that the throttle lever springs back 3-10
Steering system Check for proper steering system operation 3-10
Fuel and oil Check fuel and oil level and add if necessary
Check hoses and tanks for leakage3-6
Water separator Check for water and drain if necessary 3-7
Battery Check electrolyte level and battery condition 3-8
Hood Check hood for secure 2-6
Front and rear seats Check that the seats are properly secured 2-4, 2-5
Hull/Deck Check the hull and deck for cracks or other dam-
age—
Jet unit Check for debris and remove if necessary 3-11
Fire extinguisher Check the condition and replace if necessary 3-9
Engine shut-off cord Check condition and replace is frayed or broken 3-11
Switches Check the start switch, engine stop switch and
engine shut-off switch for proper operation when
the watercraft is in the water3-12
Cooling water pilot outlet Check that water is discharged while the engine
is running and the watercraft is in the water3-12
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3-11
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EJU00451a
Jet unit
Carefully check the jet intake for weeds,
debris, or anything else that might restrict
the intake of water. If the intake is clogged,
cavitation could occur, reducing jet thrust,
and possibly damaging the jet pump.
In some cases, the engine may overheat
because of lack of cooling water, and dam-
age to the engine could result. Engine cool-
ing water is fed to the engine by the jet
pump. (See page 5-3 for jet intake cleaning
procedures.)
WARNING
●Keep away from intake grate while
engine is on. Items such as long hair,
loose clothing, or PFD straps can
become entangled in moving parts
resulting in severe injury or drowning.
●Stop the engine and remove the clip
from the engine shut-off switch before
removing any debris or weeds, which
may have collected around the jet
intake.
EJU00004n
Engine shut-off cord (lanyard)
Check that the engine shut-off cord is not
frayed or broken. If the cord is damaged,
replace it; never try to repair it or tie it
together.
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3-12
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Switches
Check the start switch 1, the engine stop
switch 2, and the engine shut-off switch 3
for proper operation.
To check these switches place the water-
craft in the water to provide adequate cooling.
Start the engine, and then pull the engine
shut-off cord 5 to remove the clip 4 from the
engine shut-off switch. Verify that the engine
stops immediately. (See pages 3-15 to 3-18
for information on proper operation of the
start switch the engine stop switch and the
engine shut-off switch.)
EJU00453
Cooling water pilot outlet
Check that water comes out from the out-
let while the engine is running and the
watercraft is in the water.
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