coolant temperature YAMAHA YZF-R1 2003 Owners Manual

INSTRUMENT AND CONTROL FUNCTIONS
3-4
3
EAU00061
Neutral indicator light “”
This indicator light comes on when the
transmission is in the neutral position.
EAU04896
Engine trouble warning light “”
This warning light comes on or flashes
when an electrical circuit monitoring
the engine is defective. When this oc-
curs, have a Yamaha dealer check the
self-diagnosis system. (See page 3-7
for an explanation of the self-diagnosis
device.)
The electrical circuit of the warning light
can be checked by turning the key to
“ON”. If the warning light does not
come on for a few seconds, then go off,
have a Yamaha dealer check the elec-
trical circuit.
EAU00063
High beam indicator light “”
This indicator light comes on when the
high beam of the headlight is switched
on.
EAU04924
Engine speed indicator light
The electrical circuit of the indicator
light can be checked by turning the key
to “ON”.
If the indicator light does not come on
for a few seconds, then go off, have a
Yamaha dealer check the electrical cir-
cuit. (See pages 3-8–3-10 for a de-
tailed explanation of the function of this
indicator light and on how to set it.)
EAU04923
Coolant temperature warning light
“”
This warning light comes on when the
engine overheats. When this occurs,
stop the engine immediately and allow
the engine to cool.
The electrical circuit of the warning light
can be checked by turning the key to
“ON”.
If the warning light does not come on
for a few seconds, then go off, have a
Yamaha dealer check the electrical cir-
cuit.
EC000002
CAUTION:_ Do not operate the engine if it is
overheated. _
1. Engine speed indicator light
2. Coolant temperature warning light “”
3. Coolant temperature display
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INSTRUMENT AND CONTROL FUNCTIONS
3-5
3
CB-25E
Coolant
temperatureDisplay Conditions What to do0–39 °CMessage “LO” is
displayed.OK. Go ahead with riding.
40–116 °CTemperature is
displayed.OK. Go ahead with riding.
117–139 °CTemperature flashes.
Warning light comes on.Stop the motorcycle and allow it to
idle until the coolant temperature
goes down.
If the temperature does not go
down, stop the engine. (See the
“Engine overheating” section on
page 6-47 for further instructions.)
Above 140 °CMessage “HI” flashes.
Warning light comes on.Stop the engine and allow it to cool.
(See the “Engine overheating” sec-
tion on page 6-47 for further in-
structions.)
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5-1
5
EAU00372
5-OPERATION AND IMPORTANT RIDING POINTS
EAU00373
WARNING
_

Become thoroughly familiar
with all operating controls and
their functions before riding.
Consult a Yamaha dealer re-
garding any control or function
that you do not thoroughly un-
derstand.


Never start the engine or oper-
ate it in a closed area for any
length of time. Exhaust fumes
are poisonous, and inhaling
them can cause loss of con-
sciousness and death within a
short time. Always make sure
that there is adequate ventila-
tion.


Before starting out, make sure
that the sidestand is up. If the
sidestand is not raised com-
pletely, it could contact the
ground and distract the opera-
tor, resulting in a possible loss
of control.
_
EAU04912
Starting the engine In order for the ignition circuit cut-off
system to enable starting, one of the
following conditions must be met:

The transmission is in the neutral
position.


The transmission is in gear with
the clutch lever pulled and the
sidestand up.
EW000054
WARNING
_

Before starting the engine,
check the function of the igni-
tion circuit cut-off system ac-
cording to the procedure
described on page 3-26.


Never ride with the sidestand
down.
_1. Turn the key to “ON” and make
sure that the engine stop switch is
set to “”.
ECA00132
CAUTION:_ The following warning lights and in-
dicator light should come on for a
few seconds, then go off.

Oil level warning light


Fuel level warning light


Coolant temperature warning
light


Engine speed indicator light


Engine trouble warning light
If a warning or indicator light does
not go off, see pages 3-3–3-5 for the
corresponding warning and indica-
tor light circuit check.
_2. Shift the transmission into the neu-
tral position.NOTE:_ When the transmission is in the neutral
position, the neutral indicator light
should be on, otherwise have a
Yamaha dealer check the electrical cir-
cuit. _3. Start the engine by pushing the
start switch.
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PERIODIC MAINTENANCE AND MINOR REPAIR
6-13
6
EAU04897
Coolant The coolant level should be checked
before each ride. In addition, the cool-
ant must be changed at the intervals
specified in the periodic maintenance
and lubrication chart.
To check the coolant level
1. Place the motorcycle on a level
surface and hold it in an upright
position.NOTE:_

The coolant level must be checked
on a cold engine since the level
varies with engine temperature.


Make sure that the motorcycle is
positioned straight up when
checking the coolant level. A slight
tilt to the side can result in a false
reading.
_
2. Check the coolant level in the
coolant reservoir.NOTE:_ The coolant should be between the
minimum and maximum level marks. _
3. If the coolant is at or below the min-
imum level mark, remove panel A
(See page 6-7 for panel removal
and installation procedures.), re-
move the reservoir cap, add cool-
ant to the maximum level mark,
and then install the reservoir cap
and the panel.
1. Maximum level mark
2. Minimum level mark
1. Coolant reservoir cap
Coolant reservoir capacity
(up to the maximum level mark):
0.24 L
U5PWE1.book Page 13 Monday, July 8, 2002 10:28 AM

PERIODIC MAINTENANCE AND MINOR REPAIR
6-14
6
EC000080
CAUTION:_

If coolant is not available, use
distilled water or soft tap water
instead. Do not use hard water
or salt water since it is harmful
to the engine.


If water has been used instead
of coolant, replace it with cool-
ant as soon as possible, other-
wise the engine may not be
sufficiently cooled and the cool-
ing system will not be protected
against frost and corrosion.


If water has been added to the
coolant, have a Yamaha dealer
check the antifreeze content of
the coolant as soon as possible,
otherwise the effectiveness of
the coolant will be reduced.
_
EW000067
WARNING
_ Never attempt to remove the radia-
tor cap when the engine is hot. _NOTE:_

The radiator fan is automatically
switched on or off according to the
coolant temperature in the radia-
tor.


If the engine overheats, see page
6-47 for further instructions.
_
EAU04925
To change the coolant
1. Place the motorcycle on a level
surface and let the engine cool if
necessary.
2. Remove cowlings A and B, and
panel A. (See pages 6-5–6-7 for
cowling and panel removal and in-
stallation procedures.)
3. Place a container under the en-
gine to collect the used coolant.
U5PWE1.book Page 14 Monday, July 8, 2002 10:28 AM

INDEXAAir filter element, replacing ..................... 6-17
Anti-theft alarm ...................................... 3-11BBattery ................................................... 6-34
Brake and clutch levers, checking and
lubricating ............................................ 6-31
Brake fluid, changing ............................. 6-28
Brake fluid level, checking...................... 6-27
Brake lever............................................. 3-13
Brake light switch (rear), adjusting ......... 6-26
Brake pads, checking............................. 6-26
Brake pedal............................................ 3-14
Brake pedal, lubricating.......................... 6-32
Brake pedal position, adjusting .............. 6-25CCables, checking and lubricating............ 6-31
Care.........................................................7-1
Catalytic converter ................................. 3-16
Clutch lever ............................................ 3-13
Clutch lever free play, adjusting ............. 6-24
Conversion table ......................................8-5
Coolant .................................................. 6-13
Changing .......................................... 6-14
Checking .......................................... 6-13
Coolant temperature warning light............3-4
Cowlings and panels, removing and
installing ................................................6-5
DDimmer switch ....................................... 3-11
Drive chain, lubricating .......................... 6-30
Drive chain slack ................................... 6-29
Adjusting .......................................... 6-29
Checking .......................................... 6-29EEngine break-in ....................................... 5-3
Engine idling speed ............................... 6-19
Engine oil and oil filter cartridge ............... 6-9
Engine speed indicator light..................... 3-4
Engine stop switch................................. 3-12
Engine trouble warning light .................... 3-4
EXUP system ........................................ 3-24FFront fork, adjusting ............................... 3-19
Front fork, checking ............................... 6-33
Fuel ....................................................... 3-15
Fuel consumption, tips for reducing ......... 5-3
Fuel level warning light ............................ 3-3
Fuel tank breather hose ......................... 3-16
Fuel tank cap ......................................... 3-14
Fuses, replacing .................................... 6-36HHandlebar switches ............................... 3-11
Hazard switch ........................................ 3-12
Headlight bulb, replacing ....................... 6-37
Helmet holders ...................................... 3-18
High beam indicator light ......................... 3-4
Horn switch ........................................... 3-12
IIdentification numbers ..............................9-1
Ignition circuit cut-off system ..................3-25
Indicator and warning lights......................3-2KKey identification number .........................9-1LLicense plate light bulb, replacing...........6-39
Luggage strap holders ...........................3-23MMain switch/steering lock .........................3-1
Model label ..............................................9-2
Multi-function display................................3-6NNeutral indicator light ...............................3-4OOil level warning light ...............................3-3PParking.....................................................5-4
Part locations ...........................................2-1
Pass switch ............................................3-11
Periodic maintenance and
lubrication chart .....................................6-2
Pre-operation check list ............................4-1
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