2008 YAMAHA YZF-R125 warning lights

TABLE OF CONTENTSSAFETY INFORMATION ..................1-1
DESCRIPTION ..................................2-1
Left view ..........................................2-1
Right view ........................................2-2
Controls and instruments.................2-3
INSTRUMENT AND CONTROL
FUNCTIONS.......................................3-1
Main switch/steering lock ................3-1
Indicator and warning lights ............3-2
Tachometer ....................................3-3
Multi-function display ......................3-3
Handlebar switches ........................3-4
Clutch lever .....................................3-5
Shift pedal .......................................3-6
Brake lever .....................................3-6
Brake pedal ....................................3-6
Fuel tank cap ..................................3-7
Fuel .................................................3-7
Catalytic converters ........................3-8
Rider seat .......................................3-9
Anti-theft device housing ................3-9
Sidestand ......................................3-10
Ignition circuit cut-off system ........3-10
PRE-OPERATION CHECKS..............4-1
Pre-operation check list ..................4-2OPERATION AND IMPORTANT
RIDING POINTS................................. 5-1
Starting the engine ......................... 5-1
Shifting ........................................... 5-2
Tips for reducing fuel
consumption ............................... 5-3
Engine break-in .............................. 5-3
Parking ........................................... 5-4
PERIODIC MAINTENANCE AND
MINOR REPAIR................................. 6-1
Owner’s tool kit ............................... 6-1
Periodic maintenance and
lubrication chart .......................... 6-2
Removing and installing the
cowlings and panel ..................... 6-6
Checking the spark plug ................. 6-8
Engine oil and oil filter element ...... 6-9
Coolant ......................................... 6-12
Replacing the air filter element
and cleaning the check hose .... 6-14
Adjusting the engine idling
speed ........................................ 6-14
Adjusting the throttle cable free
play ........................................... 6-15
Valve clearance ............................ 6-16
Tires ............................................. 6-16
Cast wheels .................................. 6-18
Adjusting the clutch lever free
play ........................................... 6-19Checking the front brake lever
free play .................................... 6-20
Adjusting the brake pedal free
play ........................................... 6-20
Checking the front and rear
brake pads ................................ 6-20
Checking the brake fluid level ...... 6-21
Changing the brake fluid .............. 6-22
Drive chain slack .......................... 6-22
Cleaning and lubricating the
drive chain ................................ 6-24
Checking and lubricating the
cables ....................................... 6-24
Checking and lubricating the
throttle grip and cable ............... 6-25
Checking and lubricating the
brake and shift pedals .............. 6-25
Checking and lubricating the
brake and clutch levers ............ 6-26
Checking and lubricating the
sidestand .................................. 6-26
Lubricating the swingarm
pivots ........................................ 6-27
Checking the front fork ................. 6-27
Checking the steering .................. 6-28
Checking the wheel bearings ....... 6-28
Battery ......................................... 6-29
Replacing the fuses ..................... 6-30
Replacing a headlight bulb .......... 6-31
Tail/brake light ............................. 6-31U5D7E0E0.book Page 1 Tuesday, December 18, 2007 10:13 AM

INSTRUMENT AND CONTROL FUNCTIONS
3-1
3
EAU10460
Main switch/steering lock The main switch/steering lock controls
the ignition and lighting systems, and is
used to lock the steering. The various
positions are described below.
EAU36870
ON
All electrical circuits are supplied with
power, the meter lighting, taillight, li-
cense plate light and auxiliary lights
come on, and the engine can be start-
ed. The key cannot be removed.NOTE:The headlight comes on automatically
when the engine is started and stays on
until the key is turned to “OFF”, even ifthe engine stalls.
EAU10660
OFF
All electrical systems are off. The key
can be removed.
EAU10690
LOCK
The steering is locked, and all electrical
systems are off. The key can be re-
moved.
To lock the steering1. Turn the handlebars all the way to
the left or right.
2. Push the key in from the “OFF” po-
sition, and then turn it to “LOCK”
while still pushing it.
3. Remove the key.To unlock the steering
Push the key into the main switch, and
then turn it to “OFF” while still pushing
it.
WARNING
EWA10060
Never turn the key to “OFF” or
“LOCK” while the vehicle is moving,
otherwise the electrical systems will
be switched off, which may result in
loss of control or an accident. Make
sure that the vehicle is stopped be-
fore turning the key to “OFF” or“LOCK”.
1. Push.
2. Turn.
1. Push.
2. Turn.
U5D7E0E0.book Page 1 Tuesday, December 18, 2007 10:13 AM

INSTRUMENT AND CONTROL FUNCTIONS
3-2
3
EAU11003
Indicator and warning lights
EAU11020
Turn signal indicator light“”
This indicator light flashes when the
turn signal switch is pushed to the left or
right.
EAU11060
Neutral indicator light“”
This indicator light comes on when the
transmission is in the neutral position.
EAU11080
High beam indicator light“”
This indicator light comes on when the
high beam of the headlight is switched
on.
EAUM2290
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.CAUTION:
ECA10020
Do not operate the engine if it isoverheated.
EAU11500
Engine trouble warning light“”
This warning light comes on or flashes
when an electrical circuit monitoring the
engine is defective. When this occurs,
have a Yamaha dealer check the self-
diagnosis system.
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
circuit.
1. Neutral indicator light“”
2. Turn signal indicator light“”
3. High beam indicator light“”
4. Engine trouble warning light“”
5. Coolant temperature warning light“”U5D7E0E0.book Page 2 Tuesday, December 18, 2007 10:13 AM

OPERATION AND IMPORTANT RIDING POINTS
5-1
5
EAU15950
WARNING
EWA10270


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 lossof control.
EAUM2320
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 sid-
estand up.WARNING
EWA10290


Before starting the engine,
check the function of the igni-
tion circuit cut-off system ac-
cording to the procedure
described on page 3-10.


Never ride with the sidestanddown.
1. Turn the key to “ON” and make
sure that the engine stop switch is
set to“”.
CAUTION:
ECAM1100
The following warning lights and in-
dicator light should come on for a
few seconds, then go off.

Neutral indicator light


Turn signal indicator light


High beam indicator light


Coolant temperature warning
light


Engine trouble warning light
If a warning or indicator light does
not go off, see page 3-2 for the corre-
sponding warning and indicator
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.NOTE:If the engine fails to start, release the
start switch, wait a few seconds, and
then try again. Each starting attempt
should be as short as possible to pre-
serve the battery. Do not crank the en-
gine more than 10 seconds on any oneattempt.
U5D7E0E0.book Page 1 Tuesday, December 18, 2007 10:13 AM

INDEXAAir filter element and check hose,
replacing and cleaning........................ 6-14
Anti-theft device housing......................... 3-9
Auxiliary light bulb, replacing ................ 6-32BBattery................................................... 6-29
Brake and clutch levers, checking and
lubricating ........................................... 6-26
Brake and shift pedals, checking and
lubricating ........................................... 6-25
Brake fluid, changing ............................ 6-22
Brake fluid level, checking .................... 6-21
Brake lever .............................................. 3-6
Brake pedal ............................................. 3-6
Brake pedal free play, adjusting............ 6-20CCables, checking and lubricating .......... 6-24
Care ........................................................ 7-1
Catalytic converters ................................ 3-8
Clutch lever ............................................. 3-5
Clutch lever free play, adjusting ............ 6-19
Coolant.................................................. 6-12
Coolant temperature warning light .......... 3-2
Cowlings and panel, removing and
installing................................................ 6-6DDimmer switch ........................................ 3-5
Drive chain, cleaning and lubricating .... 6-24
Drive chain slack ................................... 6-22EEngine break-in ....................................... 5-3
Engine idling speed............................... 6-14
Engine oil and oil filter element ............... 6-9Engine stop switch.................................. 3-5
Engine trouble warning light ................... 3-2
FFront and rear brake pads, checking .... 6-20
Front brake lever free play, checking ... 6-20
Front fork, checking .............................. 6-27
Fuel......................................................... 3-7
Fuel consumption, tips for reducing........ 5-3
Fuel tank cap .......................................... 3-7
Fuses, replacing ................................... 6-30HHandlebar switches ................................ 3-4
Headlight bulb, replacing ...................... 6-31
High beam indicator light ........................ 3-2
Horn switch ............................................. 3-5IIdentification numbers ............................ 9-1
Ignition circuit cut-off system ................ 3-10
Indicator and warning lights .................... 3-2KKey identification number ....................... 9-1LLicense plate light bulb, replacing ........ 6-32MMain switch/steering lock........................ 3-1
Matte color, caution ................................ 7-1
Model label ............................................. 9-2
Multi-function display .............................. 3-3NNeutral indicator light .............................. 3-2PParking ................................................... 5-4
Part locations .......................................... 2-1
Pass switch............................................. 3-5Periodic maintenance and lubrication
chart ...................................................... 6-2
Pre-operation check list........................... 4-2
RRider seat ................................................ 3-9SSafety information ................................... 1-1
Shifting .................................................... 5-2
Shift pedal ............................................... 3-6
Sidestand .............................................. 3-10
Sidestand, checking and lubricating...... 6-26
Spark plug, checking ............................... 6-8
Specifications .......................................... 8-1
Starting the engine .................................. 5-1
Start switch.............................................. 3-5
Steering, checking................................. 6-28
Storage.................................................... 7-3
Supporting the motorcycle .................... 6-32
Swingarm pivots, lubricating ................. 6-27TTachometer ............................................. 3-3
Tail/brake light ....................................... 6-31
Throttle cable free play, adjusting ......... 6-15
Throttle grip and cable, checking and
lubricating ........................................... 6-25
Tires ...................................................... 6-16
Tool kit..................................................... 6-1
Troubleshooting .................................... 6-36
Troubleshooting charts.......................... 6-37
Turn signal indicator light ........................ 3-2
Turn signal light bulb, replacing ............ 6-31
Turn signal switch ................................... 3-5VValve clearance..................................... 6-16
U5D7E0E0.book Page 1 Tuesday, December 18, 2007 10:13 AM