
Instrument and control functions
3-8
3 The tripmeters show the distance trav-
eled since they were last set to zero.
Push the “SELECT” button to switch
the display between the odometer
mode “ODO”, the tripmeter modes
“TRIP 1” and “TRIP 2”, the oil change
tripmeter mode “OIL TRIP” and the V-
belt replacement tripmeter mode
“BELT TRIP” in the following order:
ODO
→ TRIP 1 → TRIP 2 → OIL TRIP
→ BELT TRIP → ODO
When approximately 1.6 L (0.42 US
gal, 0.35 Imp.gal) of fuel remains in the
fuel tank, the bottom segment of the
fuel meter and fuel level warning indi-
cator will start flashing, and the display
will automatically change to the fuel re-
serve tripmeter mode “F” and start
counting the distance traveled from
that point. In this case, pushing the
“SELECT” button switches the display
in the following order:
F → TRIP 1 → TRIP 2 → OIL TRIP →
BELT TRIP → ODO → F
To reset tripmeters 1, 2, or the fuel re-
serve tripmeter, select the tripmeter
you want to reset with the “SELECT”
button, and then push the “RESET”
button for one second. If you do not re- set the fuel reserve tripmeter manually,
it will reset automatically and the dis-
play will return to the prior mode after
refueling and traveling 5 km (3 mi).
To reset the oil change tripmeter or V-
belt replacement tripmeter, select it by
pushing the “SELECT” button, and
then push the “RESET” button for
three to four seconds.
TIP
The odometer will lock at 999999.
The tripmeters will reset and con-
tinue counting after 9999.9 is
reached.Oil chan ge in dicator “OIL CHANGE” This indicator will come on at the initial
1000 km (600 mi), then at 4000 km
(2500 mi) and every 4000 km (2500 mi)
thereafter to indicate that the engine oil
should be changed.
After changing the engine oil, reset the
oil change indicator and the oil change
tripmeter. To reset them both, select
the oil change tripmeter, and then push
the “RESET” button for one second.
While “OIL CHANGE” is flashing, push
the “RESET” button for three seconds.
The oil change tripmeter will be reset
and the oil change indicator will go off.
If the engine oil is changed before the
oil change indicator comes on (i.e., be-
fore the periodic oil change interval has
been reached), the oil change tripmeter
must be reset for the next periodic oil
change to be indicated at the correct
time.1. Oil change indicator “OIL CHANGE”
2. Oil change tripmeter
12
U2CME2E0.book Page 8 Friday, August 21, 2015 9:16 AM

Instrument and control functions
3-11
3
TIP As the unified brake system is me-
chanical, additional free play can
be felt in the front brake lever
when the rear brake lever is being
pulled.
The unified brake system does not
function when the front brake is
applied alone.
EAU70900
ABS (for ABS mo dels)Your leaning multi-wheel vehicle’s ABS
(Anti-lock Brake System) features an
electronic control system, which acts
on each of the front and rear brakes in-
dependently.
Operate the brakes with ABS as you
would conventional brakes. If the ABS
is activated, a pulsating sensation may
be felt at the brake levers. In this situa-
tion, continue to apply the brakes and
let the ABS work; do not “pump” the
brakes as this will reduce braking ef-
fectiveness.
WARNING
EWA16051
Always keep a sufficient d istance
from the vehicle ahead to match the
ri din g speed even with ABS.
The ABS performs best with
lon g b rakin g d istances.
On certain surfaces, such as
rou gh or g ravel roa ds, the b rak-
in g d istance may be lon ger with
the ABS than without.The ABS is monitored by an ECU,
which will revert the system to conven-
tional braking if a malfunction occurs.
TIP The ABS performs a self-diagno-
sis test each time the vehicle first
starts off after the key is turned to
“ON” and the vehicle has traveled
at a speed of 10 km/h (6 mi/h) or
higher. During this test, a “click-
ing” noise can be heard from the
front of the vehicle, and if either
brake lever is even slightly ap-
plied, a vibration can be felt at the
lever, but these do not indicate a
malfunction.
This ABS has a test mode which
allows the owner to experience
the pulsation at the brake levers
when the ABS is operating. How-
ever, special tools are required, so
please consult your Yamaha deal-
er.NOTICE
ECA20100
Be careful not to d amage the wheel
sensor or wheel sensor rotor; other-
wise, improper performance of the
ABS will result.
U2CME2E0.book Page 11 Friday, August 21, 2015 9:16 AM

Instrument and control functions
3-12
3
EAU37473
Fuel tank capTo remove the fuel tank cap
1. Open the seat. (See page 3-15.)
2. Turn the fuel tank cap counter- clockwise and pull it off.
To install the fuel tank cap 1. Insert the fuel tank cap into the tank opening and turn it clockwise
until the “ ” marks on the cap
and tank are aligned.
2. Close the seat.
WARNING
EWA11092
Make sure that the fuel tank cap is
properly close d after fillin g fuel.
Leakin g fuel is a fire hazar d.
1. Front wheel sensor
1. Rear wheel sensor
11
1. Fuel tank cap
2. “ ” mark
2
2
1
U2CME2E0.book Page 12 Friday, August 21, 2015 9:16 AM

Instrument and control functions
3-15
3
EAU60621
SeatTo open the seat
1. Place the vehicle on the center- stand.
2. Insert the key into the main switch, and then turn it counterclockwise
to “SEAT OPEN”.
MW125 MW125A
TIPDo not push inward when turning the
key.3. Fold the seat up.
To close the seat 1. Fold the seat down, and then push it down to lock it in place.
2. Remove the key.TIPMake sure that the seat is properly se-
cured before riding.
EAUT3711
Passen ger footrestTo use the passenger footrest, pull it
out as shown.
To retract the passenger footrest, push
it back to original position.
1. Open.
1
1. Open.
1
1. Passenger footrest
1
U2CME2E0.book Page 15 Friday, August 21, 2015 9:16 AM

Periodic maintenance an d a djustment
6-21
6
Rear
brake
WARNING
EWA16011
Improper maintenance can result in
loss of b raking a bility. O bserve
these precautions: Insufficient brake flui d may al-
low air to enter the brake sys-
tem, re ducin g brakin g
performance.
Clean the filler cap before re-
movin g. Use only DOT 4 brake
flui d from a seale d container.
Use only the specified b rake flu-
i d ; otherwise, the ru bber seals
may deteriorate, causin g leak-
a g e.
Refill with the same type of
brake flui d. A dding a brake fluid
other than DOT 4 may result in a
harmful chemical reaction.
Be careful that water or d ust
d oes not enter the brake flui d
reservoir when refillin g. Water
will si gnificantly lower the boil-
in g point of the flui d an d may re-
sult in vapor lock, an d d ir t may
cl
o g the ABS hy draulic unit
valves.
NOTICE
ECA17641
Brake flui d may d amage painte d
surfaces or plastic parts. Always
clean up spilled fluid imme diately.As the brake pads wear, it is normal for
the brake fluid level to gradually go
down. A low brake fluid level may indi-
cate worn brake pads and/or brake
system leakage; therefore, be sure to
check the brake pads for wear and the
brake system for leakage. If the brake fluid level goes down suddenly, have a
Yamaha dealer check the cause before
further riding.
1. Minimum level markSpecifie
d b rake flui d:
DOT 4
1
U2CME2E0.book Page 21 Friday, August 21, 2015 9:16 AM

Periodic maintenance an d a djustment
6-28
6 MW125 MW125A
If a fuse is blown, replace it as follows.1. Turn the key to “OFF” and turn off the electrical circuit in question.
2. Open the seat. (See page 3-15.)
3. Remove the fuse box cover as shown. 4. Remove the blown fuse, and then
install a new fuse of the specified
amperage. WARNING! Do not
use a fuse of a hi gher ampera ge
ratin g than recommen ded to
avoi d causin g extensive d am-
a g e to the electrical system an d
possi bly a fire.
[EWA15132]
1. Backup fuse (for clock)
2. Signaling system fuse
3. Headlight fuse
4. Spare fuse
123
4
1. Backup fuse (for clock)
2. Signaling system fuse
3. Headlight fuse
4. ABS control unit fuse
5. ABS motor fuse
6. ABS solenoid fuse
7. Spare fuse
12345
6
7
1. Fuse box cover
1
U2CME2E0.book Page 28 Friday, August 21, 2015 9:16 AM

Periodic maintenance an d a djustment
6-33
6
En
gine overheatin g
WARNING
EWAT1041
Do not remove the ra diator cap when the en gine an d ra diator are hot. Scal din g hot flui d an d steam may be
b lown out un der pressure, which coul d cause serious injury. Be sure to wait until the en gine has coole d.
Place a thick rag , like a towel, over the ra diator cap, an d then slowly rotate the cap counterclockwise to the
d etent to allow any resi dual pressure to escape. When the hissin g soun d has stopped , press down on the cap
while turnin g it counterclockwise, an d then remove the cap.TIPIf coolant is not available, tap water can be temporarily used instead, provided that it is changed to the recommended cool-
ant as soon as possible.
Wait until the
engine has cooled.
Check the coolant level in the
reservoir and radiator.
The coolant level
is OK.The coolant level is low.
Check the cooling system
for leakage.
Have a Yamaha dealer checkand repair the cooling system.Add coolant. (See TIP.)
Start the engine. If the engine overheats again,
have a
Yamaha dealer check
and repair the cooling system.
There is
leakage.
There is
no leakage.
U2CME2E0.book Page 33 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