
Table of contents
Safety information............................1-1
Further safe-riding points ................1-6
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
Keyhole shutter ...............................3-2
Indicator lights and warning 
lights ............................................3-3
Multi-function meter unit .................3-5
Handlebar switches.........................3-9
Front brake lever ...........................3-10
Rear brake lever ............................3-10
ABS (for ABS models) ...................3-11
Fuel tank cap.................................3-12
Fuel................................................3-12
Fuel tank overflow hose ................3-14
Catalytic converter ........................3-14
Seat ...............................................3-15
Passenger footrest ........................3-15
Storage compartment ...................3-16
Accessory box...............................3-17
Luggage hook ...............................3-18
Sidestand ......................................3-18
Ignition circuit cut-off system........3-19
Auxiliary DC jack  ..........................3-21
Auxiliary DC connector .................3-22
For your safety – pre-operation 
checks...............................................4-1
Operation and important riding 
points.................................................5-1
Starting the engine ..........................5-1
Starting off.......................................5-2
Acceleration and deceleration.........5-3
Braking ............................................5-3
Tips for reducing fuel 
consumption ................................5-4
Engine break-in ...............................5-4
Parking ............................................5-5Periodic maintenance and 
adjustment........................................ 6-1
Owner’s tool kit ............................... 6-2
Periodic maintenance chart for the 
emission control system.............. 6-3
General maintenance and 
lubrication chart........................... 6-4
Removing and installing the 
panel ............................................ 6-7
Checking the spark plug ................. 6-8
Engine oil and oil strainer................ 6-9
Final transmission oil .................... 6-11
Coolant ......................................... 6-12
Air filter and V-belt case air filter 
elements .................................... 6-14
Checking the throttle grip 
free play ..................................... 6-16
Valve clearance ............................. 6-17
Tires .............................................. 6-17
Cast wheels .................................. 6-19
Checking the front brake lever 
free play ..................................... 6-20
Checking the rear brake lever 
free play ..................................... 6-20
Checking the front and rear 
brake pads................................. 6-21
Checking the brake fluid level....... 6-22
Changing the brake fluid............... 6-23
Checking the V-belt ...................... 6-23
Checking and lubricating the 
cables ........................................ 6-24
Checking and lubricating the 
throttle grip and cable ............... 6-24
Lubricating the front and rear 
brake levers ............................... 6-25
Checking and lubricating the 
centerstand and sidestand ........ 6-25
Checking the front fork ................. 6-26
Checking the steering ................... 6-26
Checking the wheel bearings ....... 6-27
Checking the steering tie rod........ 6-27
Checking the leaning system ........ 6-28
Battery .......................................... 6-28
Replacing the fuses ...................... 6-30
Headlight....................................... 6-31
Auxiliary lights ............................... 6-32
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Instrument and control functions
3-3
3
EAU4939C
Indicator lights and warning 
lights
EAU11032Turn signal indicator lights “ ” 
and“”
Each indicator light will flash when its
corresponding turn signal lights are
flashing.
EAU11081High beam indicator light “ ”
This indicator light comes on when the
high beam of the headlight is switched
on.
EAUN0711Eco indicator light “ECO”
This indicator light comes on when the
vehicle is being operated in an environ-
mentally friendly, fuel-efficient manner.
The indicator light goes off when the
vehicle is stopped.
TIP
Consider the following tips to reduce
fuel consumption: zAvoid high engine speeds during
acceleration.
 zTravel at a constant speed.
EAU67441Coolant temperature warning 
light “ ”
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
main switch 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 main switch is turned 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-
gine if it is overheating.
TIP
If the engine overheats, see page 6-36
for further instructions.
EAU73171Engine trouble warning light “ ”
This warning light comes on if a prob-
lem is detected in the engine or other
vehicle control system. If this occurs,
have a Yamaha dealer check the on-
board diagnostic system.
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.
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. Eco indicator light “ECO”
6. Engine trouble warning light “ ”
7. Right turn signal indicator light “ ”
1234567
ABS
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Instrument and control functions
3-4
3If 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 vehicle.
EAUU1961ABS warning light “ ” (for ABS 
models)
In normal operation, the ABS warning
light comes on when the main switch is
turned on, and goes off after traveling
at a speed of 10 km/h (6 mi/h) or high-
er.
If the ABS warning light:
 zdoes not come on when the main
switch is turned on
 zcomes on or flashes while riding
 zdoes 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 warning light does not go
off after traveling at a speed of 10
km/h (6 mi/h) or higher, or if the
warning light comes on or flashes
while riding, the brake system re-
verts to conventional braking. If ei-
ther of the above occurs, or if the
warning light does not come on at
all, use extra caution to avoid possi-
ble wheel lock during emergency
braking. Have a Yamaha dealer
check the brake system and electri-
cal circuits as soon as possible.
TIP
The ABS warning light may come on
while accelerating the engine with the
vehicle on its centerstand, but this
does not indicate a malfunction.
ABS
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Instrument and control functions
3-11
3
EAU70900
ABS (for ABS models)
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 distance
from the vehicle ahead to match the
riding speed even with ABS.
 zThe ABS performs best with
long braking distances.
 zOn certain surfaces, such as
rough or gravel roads, the brak-
ing distance may be longer 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
 zThe 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. zThis 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 damage the wheel
sensor or wheel sensor rotor; other-
wise, improper performance of the
ABS will result.
1. Front wheel sensor
2. Front wheel sensor rotor
1. Rear wheel sensor
2. Rear wheel sensor rotor
12
12
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Operation and important riding 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 could cause an accident
or injury.
EAU74430
Starting the engine
NOTICE
ECA10251
See page 5-4 for engine break-in in-
structions prior to operating 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 3-19 for more information.
1. Turn the key to “ON”.
The following warning lights and
indicator light should come on for
a few seconds, then go off.
 zEngine trouble warning light
 zCoolant temperature warning
light
 zECO indicator light
NOTICE
ECA11834
If a warning or indicator light does
not come on initially when the key is
turned to “ON”, or if a warning or in-
dicator light remains on, see page
3-3 for the corresponding warning
and indicator light circuit check.
For ABS models:
The ABS warning light should
come on when the main switch is
turned to “ON” and then go off af-
ter traveling at a speed of 10 km/h
(6 mi/h) or higher.
NOTICE
ECA17682
If the ABS warning light does not
come on and then go off as ex-
plained above, see page 3-3 for the
warning light circuit check.
2. Close the throttle completely.
UBR7E0E0.book  Page 1  Tuesday, October 25, 2016  2:44 PM 

Periodic maintenance and adjustment
6-5
6
12*Steering system• Check bearing play and steer-
ing for roughness.
• Check steering tie rod, and re-
place if necessary.√√√√√
• Lubricate with lithium-soap-
based grease.Every 24000 km (14000 mi)
13*Leaning system• Check bearing for looseness or 
damage.√√√√√
14*Chassis fasteners• Make sure that all nuts, bolts 
and screws are properly tight-
ened.√√√√√
15Front and rear 
brake lever pivot 
shaft• Lubricate with silicone grease.√√√√√
16*Unified brake sys-
tem• Lubricate link pivots and mov-
ing parts with silicone grease.
• Lubricate cable end with lithi-
um-soap-based grease.√√√√
17Sidestand, center-
stand• Check operation.
• Lubricate with lithium-soap-
based grease.√√√√√
18*Sidestand switch• Check operation and replace if 
necessary.√√√√√√
19*Front fork• Check operation and for oil 
leakage.
• Replace if necessary.√√√√
20*Shock absorber 
assemblies• Check operation and for oil 
leakage.
• Replace if necessary.√√√√
21 Engine oil• Change (warm engine before 
draining).
• Check oil level and vehicle for 
oil leakage.√√√√√√
22
*Engine oil strainer• Clean.√√√
23*Cooling system• Check coolant level and vehicle 
for coolant leakage.√√√√√
• Change. Every 3 years NO. ITEM
X 1000 km CHECK OR 
MAINTENANCE JOB
X 1000 miODOMETER 
READING
ANNUAL CHECK
1481216
0.6 2.4 4.8 7.2 9.6
UBR7E0E0.book  Page 5  Tuesday, October 25, 2016  2:44 PM 

Periodic maintenance and adjustment
6-22
6
EAU40262
Checking the brake fluid level
Before riding, check that the brake fluid
is above the minimum level mark.
Check the brake fluid level with the top
of the reservoir level. Replenish the
brake fluid if necessary.
Front brake
Rear brake
WARNING
EWA16011
Improper maintenance can result in
loss of braking ability. Observe
these precautions:
 zInsufficient brake fluid may al-
low air to enter the brake sys-
tem, reducing braking
performance. zClean the filler cap before re-
moving. Use only DOT 4 brake
fluid from a sealed container.
 zUse only the specified brake flu-
id; otherwise, the rubber seals
may deteriorate, causing leak-
age.
 zRefill with the same type of
brake fluid. Adding a brake fluid
other than DOT 4 may result in a
harmful chemical reaction.
 zBe careful that water or dust
does not enter the brake fluid
reservoir when refilling. Water
will significantly lower the boil-
ing point of the fluid and may re-
sult in vapor lock, an
d dirt may
clog the ABS hydraulic unit
valves.
NOTICE
ECA17641
Brake fluid may damage painted
surfaces or plastic parts. Always
clean up spilled fluid immediately.
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 mark
1. Minimum level mark
Specified brake fluid:
DOT 4
1
1
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Periodic maintenance and adjustment
6-30
6
EAU74670
Replacing the fuses
The fuse box is located under the seat.
(See page 3-15.)
MWS125-CMWS125-A
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 higher amperage
rating than recommended to
avoid causing extensive dam-
age to the electrical system and
possibly a fire.
 [EWA15132]
1. Fuse box
2. ABS motor fuse (for ABS models)
1. Main fuse 2
2. Main fuse
3. Signaling system fuse
4. Terminal fuse 1 (for auxiliary DC jack)
5. Spare fuse
2
1
51
234
1. Main fuse 2
2. ABS solenoid fuse
3. Main fuse
4. ABS control unit fuse
5. Signaling system fuse
6. Terminal fuse 1 (for auxiliary DC jack)
7. Spare fuse
1. Fuse box cover
71
23456
1
UBR7E0E0.book  Page 30  Tuesday, October 25, 2016  2:44 PM