
Instrument and control functions
3-3
3
EAUN0353
Keyhole shutterMW125
MW125A To open the keyhole shutter
Insert the key head into the keyhole
shutter receptacle as shown, and then
turn the key to the right to open the
keyhole shutter.
To close the keyhole shutterPress the “PUSH SHUT” button to
close the keyhole shutter.
EAU49398
In
dicator li ghts an d warnin g
lig hts
EAU11032
Turn si gnal in dicator li ghts “ ”
an d“”
Each indicator light will flash when its
corresponding turn signal lights are
flashing.
1. “PUSH SHUT” button
2. Key head
1. “PUSH SHUT” button
2. Key head
1
2
1
2
1. Left turn signal indicator light “ ”
2. Anti-lock Brake System (ABS) warning light “ ” (for ABS models)
3. Coolant temperature warning light “ ”
4. High beam indicator light “ ”
5. Engine trouble warning light “ ”
6. Right turn signal indicator light “ ”
1
2
3
4
5
6
ABS
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Instrument and control functions
3-4
3
EAU11081
Hi gh beam in dicator li ght “ ”
This indicator light comes on when the
high beam of the headlight is switched
on.
EAU11447
Coolant temperature warnin g
li g ht “ ”
This warning light comes on if the en-
gine overheats. If this occurs, stop the
engine immediately and allow the en-
gine to cool.
The electrical circuit of the warning
light can be checked by turning the key
to “ON”. The warning light should
come on for a few seconds, and then
go off.
If the warning light does not come on
initially when the key is turned to “ON”,
or if the warning light remains on, have
a Yamaha dealer check the electrical
circuit.NOTICE
ECA10022
Do not continue to operate the en-
g ine if it is overheatin g.
TIP For radiator-fan-equipped vehi-
cles, the radiator fan(s) automati-
cally switch on or off according to
the coolant temperature in the ra-
diator.
If the engine overheats, see page
6-33 for further instructions.
EAU11506
Engine trou ble warnin g lig ht “ ”
This warning light comes on or flashes
if a problem is detected in the electrical
circuit monitoring the engine. If this oc-
curs, have a Yamaha dealer check the
self-diagnosis system. (See page 3-5
for an explanation of the self-diagnosis
device.)
The electrical circuit of the warning
light can be checked by turning the key
to “ON”. The warning light should
come on for a few seconds, and then
go off.
If the warning light does not come on
initially when the key is turned to “ON”,
or if the warning light remains on, have
a Yamaha dealer check the electrical
circuit.
EAUU1960
ABS warnin g li ght “ ” (for ABS
mo dels)
In normal operation, the ABS warning
light comes on when the key is turned
to “ON”, and goes off after traveling at
a speed of 10 km/h (6 mi/h) or higher.
If the ABS warning light: does not come on when the key is
turned to “ON”
comes on or flashes while riding
does not go off after traveling at a
speed of 10 km/h (6 mi/h) or high-
er
The ABS may not work correctly. If any
of the above occurs, have a Yamaha
dealer check the system as soon as
possible. (See page 3-11 for an expla-
nation of the ABS.)
WARNING
EWA16041
If the ABS warnin g li ght does not g o
off after travelin g at a speed of 10
km/h (6 mi/h) or hi gher, or if the
warnin g li ght comes on or flashes
while ri din g, the brake system re-
verts to conventional braking . If ei-
ther of the a bove occurs, or if the
warnin g li ght does not come on at
ABS
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Instrument and control functions
3-6
3 settin
gs while ri din g can d istract the
operator an d increase the risk of an
acci dent.
The multi-function meter unit is
equipped with the following:
a speedometer
a fuel meter
a clock
an outside air temperature display
an odometer
two tripmeters
a fuel reserve tripmeter
an oil change tripmeter
a V-belt replacement tripmeter
an oil change indicator
a V-belt replacement indicatorTIPBe sure to turn the key to “ON” be-
fore using the “SELECT” and “RE-
SET” buttons.
For the UK: press the “SELECT”
button for one second to switch
the speedometer and odome-
ter/tripmeter displays between ki-
lometers and miles.
If the coolant temperature warning
light and engine trouble warning
light remain on during the initial
display mode, have the battery
charged by a Yamaha dealer.
Speed ometer
The speedometer shows the vehicle’s
traveling speed. Fuel meter
The fuel meter indicates the amount of
fuel in the fuel tank. The display seg-
ments of the fuel meter disappear to-
wards “E” (empty) as the fuel level
decreases. When the bottom segment
of the fuel meter and fuel level warning
indicator “ ” start flashing, refuel as
soon as possible. When the key is
turned to “ON”, all of the display seg-
ments of the fuel meter will appear for
a few seconds, and then the fuel meter
shows the actual fuel level.1. Speedometer
1
1. Fuel level warning indicator “ ”
2. Fuel meter
1
2
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Operation and important ri din g points
5-1
5
EAU15952
Read the Owner’s Manual carefully to
become familiar with all controls. If
there is a control or function you do not
understand, ask your Yamaha dealer.
WARNING
EWA10272
Failure to familiarize yourself with
the controls can lead to loss of con-
trol, which coul d cause an acci dent
or injury.
EAU45311
TIPThis model is equipped with a lean an-
gle sensor to stop the engine in case of
a turnover. To start the engine after a
turnover, be sure to turn the main
switch to “OFF” and then to “ON”. Fail-
ing to do so will prevent the engine
from starting even though the engine
will crank when pushing the start
switch.
EAUU1950
Startin g the en gineNOTICE
ECA10251
See pag e 5-4 for en gine break-in in-
structions prior to operatin g the ve-
hicle for the first time.In order for the ignition circuit cut-off
system to enable starting, the side-
stand must be up.
See page 3-18 for more information. 1. Turn the key to “ON”. The following warning lights
should come on for a few sec-
onds, then go off. Engine trouble warning light
Coolant temperature warning
lightNOTICE
ECA15485
If a warnin g li ght does not come on
initially when the key is turne d to
“ON”, or if a warnin g lig ht remains
on, see pa ge 3-3 for the correspon d-
in g warnin g lig ht circuit check.
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Specifications
8-3
8
Turn signal indicator light:LED
Coolant temperature warning light: LED
Engine trouble warning light:
LED
ABS warning light: LED (MW125A)Fuse:Main fuse:
20.0 A
Headlight fuse: 15.0 A (MW125)
20.0 A (MW125A)
Signaling system fuse: 10.0 A
ABS control unit fuse: 10.0 A (MW125A)
ABS motor fuse:
30.0 A (MW125A)
ABS solenoid fuse: 20.0 A (MW125A)
Backup fuse: 10.0 A
U2CME2E0.book Page 3 Friday, August 21, 2015 9:16 AM

10-1
10
Index
AABS (for ABS models) .......................... 3-11
ABS warning light (for ABS models) ....... 3-4
Acceleration and deceleration ................ 5-3
Air filter and V-belt case air filter
elements ............................................. 6-14
Auxiliary DC connector ......................... 3-20
Auxiliary lights....................................... 6-30BBattery .................................................. 6-26
Brake fluid, changing............................ 6-22
Brake fluid level, checking.................... 6-20
Brake lever, front .................................. 3-10
Brake lever, rear ................................... 3-10
Brake levers, lubricating ....................... 6-23
Braking ................................................... 5-3CCables, checking and lubricating ......... 6-22
Care ........................................................ 7-1
Catalytic converter ............................... 3-14
Centerstand and sidestand, checking and lubricating .................... 6-23
Coolant ................................................. 6-13
Coolant temperature warning light ......... 3-4DDimmer switch...................................... 3-10EEngine break-in ...................................... 5-4
Engine oil and oil strainer ..................... 6-10
Engine serial number .............................. 9-1
Engine trouble warning light ................... 3-4FFinal transmission oil ............................ 6-12
Front and rear brake pads, checking ... 6-20 Front brake lever free play, checking ... 6-19
Front fork, checking ............................. 6-24
Fuel ...................................................... 3-13
Fuel consumption, tips for reducing ...... 5-3
Fuel tank cap........................................ 3-12
Fuses, replacing ................................... 6-27
HHandlebar switches ............................... 3-9
Headlight bulb, replacing ..................... 6-29
High beam indicator light ....................... 3-4
Horn switch .......................................... 3-10IIdentification numbers ........................... 9-1
Ignition circuit cut-off system .............. 3-18
Indicator lights and warning lights ......... 3-3KKeyhole shutter ...................................... 3-3LLeaning system, checking ................... 6-26
Luggage hook ...................................... 3-17MMain switch/steering lock ...................... 3-1
Maintenance and lubrication, periodic... 6-4
Maintenance, emission control
system ................................................. 6-3
Matte color, caution ............................... 7-1
Model label............................................. 9-1
Multi-function meter unit ........................ 3-5PPanel, removing and installing ............... 6-8
Parking ................................................... 5-4
Part locations ......................................... 2-1
Passenger footrest ............................... 3-15
RRear brake lever free play, checking .... 6-19SSafe-riding points ................................... 1-5
Safety information................................... 1-1
Seat....................................................... 3-15
Self-diagnosis device ............................. 3-5
Sidestand.............................................. 3-17
Spark plug, checking .............................. 6-8
Specifications ......................................... 8-1
Starting off .............................................. 5-2
Starting the engine ................................. 5-1
Start switch ........................................... 3-10
Steering, checking ................................ 6-25
Steering tie rod, checking..................... 6-25
Storage ................................................... 7-4
Storage compartment........................... 3-16TTail/brake light ...................................... 6-30
Throttle grip and cable,
checking and lubricating .................... 6-22
Throttle grip free play, checking ........... 6-16
Tires ...................................................... 6-17
Tool kit .................................................... 6-2
Troubleshooting .................................... 6-31
Troubleshooting charts ......................... 6-32
Turn signal indicator lights...................... 3-3
Turn signal light bulb ............................ 6-31
Turn signal switch ................................. 3-10VValve clearance..................................... 6-16
Vehicle identification number ................. 9-1
U2CME2E0.book Page 1 Friday, August 21, 2015 9:16 AM