coolant YAMAHA MT-09 2021 Owners Manual

Table of contentsSafety information ............................ 1-1
Description ....................................... 2-1
Left view ......................................... 2-1
Right view ....................................... 2-2
Controls and instruments ............... 2-3
Special features .............................. 3-1
“D-MODE” ...................................... 3-1
“TCS-MODE”.................................. 3-1
QSS ................................................ 3-3
BC................................................... 3-4
Instrument an d control functions ... 4-1
Immobilizer system......................... 4-1
Main switch/steering lock............... 4-2
Handlebar switches ........................ 4-3
Indicator lights and warning lights............................................ 4-5
Display ............................................ 4-9
Settings MENU ............................. 4-14
Clutch lever .................................. 4-18
Shift pedal .................................... 4-18
Brake lever.................................... 4-19
Brake pedal .................................. 4-19
Brake control system (BC)............ 4-20
Fuel tank cap ................................ 4-21
Fuel ............................................... 4-22
Fuel tank overflow hose ............... 4-23
Catalytic converter ....................... 4-24
Seat .............................................. 4-24 Rider footrest position .................. 4-25
Handlebar position ....................... 4-25
Adjusting the front fork ................. 4-26
Adjusting the shock absorber
assembly.................................... 4-28
Luggage strap holders .................. 4-30
Auxiliary DC connectors ............... 4-30
Sidestand ...................................... 4-30
Ignition circuit cut-off system ....... 4-31
For your safety – pre-operation
checks ............................................... 5-1
Operation an d important ri din g
points ................................................. 6-1
Engine break-in ............................... 6-1
Starting the engine .......................... 6-2
Shifting ............................................ 6-3
Tips for reducing fuel consumption ................................ 6-4
Parking ............................................ 6-5
Perio dic maintenance an d
a d justment ........................................ 7-1
Tool kit ............................................ 7-2
Periodic maintenance charts .......... 7-3
Periodic maintenance chart for the emission control system .............. 7-3
General maintenance and
lubrication chart ........................... 7-5
Checking the spark plugs ............... 7-9 Canister ........................................ 7-10
Engine oil ...................................... 7-10
Why Yamalube.............................. 7-12
Coolant ......................................... 7-13
Air filter element ............................ 7-14
Checking the engine idling
speed ........................................ 7-14
Valve clearance............................. 7-15
Tires .............................................. 7-15
Cast wheels .................................. 7-17
Adjusting the clutch lever free
play ............................................ 7-18
Checking the brake lever free play ............................................ 7-18
Brake light switches ..................... 7-19
Checking the front and rear brake pads ................................ 7-19
Checking the brake fluid level ...... 7-20
Changing the brake fluid .............. 7-21
Drive chain slack........................... 7-22
Cleaning and lubricating the drive chain ................................. 7-24
Checking and lubricating the
cables ........................................ 7-24
Checking and lubricating the throttle grip ................................ 7-25
Checking and lubricating the brake and shift pedals............... 7-25
Checking and lubricating the
brake and clutch levers ............. 7-26UB7NE0E0.book Page 1 Friday, October 2, 2020 4:38 PM

Description
2-2
2
EAU10421
Right view
1 2 3,4
5
9
10 6
78
1. Fuses (page 7-30)
2. Fuel tank cap (page 4-21)
3. Spring preload adjuster (page 4-26)
4. Rebound damping force adjuster (page 4-26)
5. Coolant reservoir (page 7-13)
6. Engine oil level check window (page 7-10)
7. Engine oil filler cap (page 7-10)
8. Brake pedal (page 4-19) 9. Rear brake light switch (page 7-19)
10.Rear brake fluid reservoir (page 7-20)UB7NE0E0.book Page 2 Friday, October 2, 2020 4:38 PM

Instrument and control functions
4-5
4 
To turn the traction control system
back on, use the MODE down
switch.
 When “TCS-MODE” has been set
to “OFF”, the TCS, SCS and LIF
systems are all turned off togeth-
er.
 See page 4-11 for more informa-
tion on the MODE display.
 See page 3-1 for more information
on “TCS-MODE”.
 See page 3-1 for more information
on “D-MODE”.
EAU91373
Wheel switch “ ”
When the wheel switch is operated, a
cursor will appear around the previous-
ly selected item on the display.
The wheel switch controls:
 Vehicle information displays
 Settings MENU
 Grip warmer function (Option)
Operate the wheel switch as follows:
Rotate up - rotate the wheel upward to
scroll up or increase a setting value.
Rotate down - rotate the wheel down-
ward to scroll down or decrease a set-
ting value. Push inwar
d - press the wheel switch
in towards the handlebar to select
items indicated by the cursor and con-
firm settings changes. Press and hold
the switch inward to reset selected
items.
TIP If the wheel switch is not operated
for a certain period of time, the
cursor will disappear.
 For items that can be reset, leave
the cursor over the item, press
and hold the switch to reset.
 See page 4-9 for more information
on the main screen and its func-
tions.
 See page 4-14 for more informa-
tion on the MENU screen and how
to make settings changes.
EAU4939P
Indicator li ghts and warning
li g hts1. Immobilizer system indicator light “ ”
2. Left turn signal indicator light “ ”
3. Right turn signal indicator light “ ”
4. High beam indicator light “ ”
5. Neutral indicator light “ ”
6. Stability control indicator light “ ”
7. Auxiliary system warning light “ ”
8. ABS warning light “ ”
9. Fuel level warning light “ ”
10.Oil pressure and Coolant temperature warn-
ing light “ ”
11.Malfunction indicator light “ ”
ABS
3
4
56
7
8
11 11
10 10
9
11 1 12
2 2
10 9 9
UB7NE0E0.book Page 5 Friday, October 2, 2020 4:38 PM

Instrument and control functions
4-8
4
TIPWhen the vehicle is turned on, this light
should come on for a few seconds and
then go off. If the light does not come
on, or if the light remains on, have a
Yamaha dealer check the vehicle.NOTICE
ECA27221
When turnin g the main switch on,
avoi d any movement or vi bration of
the vehicle as it may interfere with
the initialization of the IMU. If this
occurs, the TCS system will not op-
erate an d the “TCS-MODE” display
will rea d “OFF” until the IMU can ini-
tialize.
EAU88362
Oil pressure an d Coolant tempera-
ture warnin g li ght “ ”
This warning light comes on if the en-
gine oil pressure is low or if the coolant
temperature is high. If this occurs, stop
the engine immediately.TIP When the vehicle is first turned on,
this light should come on until the
engine is started. 
If a malfunction is detected, this
light will come on and the oil pres-
sure icon will flash.
NOTICE
ECA22441
If the oil pressure an d coolant warn-
in g li ght does not g o off after start-
in g the en gine or if it comes on while
the en gine is runnin g, stop the vehi-
cle an d en gine imme diately.
 If the en gine is overheatin g, the
coolant temperature warnin g
icon will come on. Let the en-
g ine cool. Check the coolant
level (see pa ge 7-35).
 If the en gine oil pressure is low,
the oil pressure warnin g icon
will come on. Check the oil level
(see pa ge 7-10).
 If the warnin g lig ht remains on
after lettin g the en gine cool an d
confirmin g the proper oil level,
have a Yamaha d ealer check
the vehicle. Do not continue to
operate the vehicle!
EAU88370
Auxiliary system warnin g lig ht “ ”
This warning light comes on if a prob-
lem is detected in a non-engine-related
system.TIPWhen the vehicle is turned on, this light
should come on for a few seconds and
then go off. Otherwise, have a Yamaha
dealer check the vehicle.
UB7NE0E0.book Page 8 Friday, October 2, 2020 4:38 PM

Instrument and control functions
4-9
4
EAU91445
DisplayThe following items can be found on
the display:
TIPThis model uses a thin-film-transistor
liquid-crystal display (TFT LCD) for
good contrast and readability in vari-
ous lighting conditions. However, due
to the nature of this technology, it is
normal for a small number of pixels to
be inactive.
WARNING
EWA18210
Stop the vehicle b efore making any
settin g chan ges. Chan gin g settin gs
while ri din g can d istract the opera-
tor an d increase the risk of an acci-
d ent.Speed ometer
The speedometer shows the vehicle’s
traveling speed.TIPThe display can be switched between

page 4-17.
1. Tachometer
2. Speedometer
3.
4. Transmission gear display
5. Vehicle information displays
6. Settings MENU icon Ž
7. Grip warmer indicator (option)
8.
9. Clock
10.MODE display
11.Lap timer
12.Oil pressure warning Ž
13.Coolant temperature warning Ž
14.Auxiliary system warning Ž
when activated)
LAP 02LATEST
00:12.3 4
00:01.23
4
1
2
7
6
9
10
8
1135
14 13
12
15
UB7NE0E0.book Page 9 Friday, October 2, 2020 4:38 PM

Instrument and control functions
4-10
4
Tachometer
The tachometer shows the engine
speed, as measured by the rotational
velocity of the crankshaft, in revolu-
tions per minute (r/min).
NOTICE
ECA10032
Do not operate the en
gine in the ta-
chometer red zone.
Re d zone: 10600 r/min an d a boveVehicle information displays
The two vehicle information displays
can be individually set to show the fol-
lowing items:  ODO: odometer
 F-TRIP: fuel reserve tripmeter
 TRIP1: tripmeter 
TRIP2: tripmeter
 F.AVE: average fuel economy
 F.CRNT: instantaneous fuel econ-
omy
 A.TEMP: air temperature
 C.TEMP: coolant temperature
 Fuel meter
 FUELCON: amount of fuel con-
sumed
 TRIPTIME: running time
Operate the vehicle information display
as follows:
Rotate the wheel switch to move the
cursor over a display.
Push the wheel switch inward and the
selected display will highlight grey.
Rotate the wheel switch to choose a
different display item.
Push the wheel switch inward to con-
firm the new display item.
TIP ODO will lock at 999999 and can-
not be reset.
 TRIP1 and TRIP2 will reset to 0
and begin counting again after
9999.9 has been reached. 
When the fuel tank reserve level
has been reached, F-TRIP ap-
pears automatically and begins
recording distance traveled from
that point.
 After refueling and traveling some
distance, F-TRIP will automatically
disappear.
 See “Unit” on page 4-17 to chan-
ge the fuel consumption units.
 The air temperature is displayed
from –9 °C (16 °F) to 50 °C (122 °F)
in 1 °C (1 °F) increments.
 The air temperature displayed
may vary from the actual ambient
temperature.
 In LAP TIME mode, the vehicle in-
formation display is replaced by
the lap information.
 TRIP1, TRIP2, F-TRIP, F.AVE, FU-
ELCON and TRIPTIME items can
be individually reset.
 If the vehicle coolant temperature
is below 40 °C (104 °F) the coolant
temperature display will read “Lo”
1. Vehicle information displays
1
UB7NE0E0.book Page 10 Friday, October 2, 2020 4:38 PM

Instrument and control functions
4-11
4 
If the vehicle coolant temperature
is above 124 °C (255 °F) the cool-
ant temperature display will read
“Hi”
To reset information display items1. Rotate the wheel switch to select
one of the two vehicle information
displays.
2. Press the wheel switch inward to highlight the information display.
3. Rotate the wheel switch to select the desired information display
item.
4. Press and hold the wheel switch inward until the highlighted dis-
play item is reset.
Transmission gear display
This shows which gear the transmis-
sion is in. This model has 6 gears and a
neutral position. The neutral position is
indicated by the neutral indicator
light “ ” and by the transmission gear
display “ ”. MODE
display
This display shows the currently se-
lected “D-MODE” and “TCS-MODE”
settings. The mode that is enlarged
and displayed on the right can be ad-
justed using the MODE up/down
switches. Use the “MODE” switch to
toggle left-right between “TCS-MODE”
and “D-MODE”.
See page 3-1 for information on “D-
MODE” and “TCS-MODE” settings.
TIP When the malfunction indicator
light “ ”, the auxiliary system
warning “ ”, or the coolant
temperature warning “ ” are on,
“D-MODE” and “TCS-MODE”
cannot be adjusted. 
The previously selected modes
will be displayed when the vehicle
power is turned on.
To turn off the traction control system,
select “TCS-MODE” with the “MODE”
switch, then push and hold the MODE
up switch until “OFF” is displayed. To
turn TCS back on, press the MODE
down switch (“TCS-MODE” will return
to its previous setting).TIPWhen “TCS-MODE” has been set
to “OFF”, the TCS, SCS and LIF
systems are all turned off togeth-
er.
 The “TCS-MODE OFF” and “TCS-
M OD E M ” se t ti ng s c a n o n l y b e s e -
lected while the vehicle is
stopped.Clock
The clock uses a 12-hour time system.
See page 4-17 to set the clock.
Quick shift in dicator “QS”
When able to shift, the respective QS or turns green.
UB7NE0E0.book Page 11 Friday, October 2, 2020 4:38 PM

Instrument and control functions
4-13
4 To start the timer, press the pass
switch.
Each press of the pass switch will in-
crease the lap count by 1 and reset the
current lap timer.
To pause the lap timer, press the wheel
switch inward.
To unpause the timer, press the pass
switch and the timer will resume with-
out counting a new lap.
To exit the lap time mode, turn it off in
the settings MENU. (See page 4-14.)
TIP
The engine must be running to
start the lap timer.
 The headlight will flash when the
pass switch is pressed.
 Whenever the lap timer is paused,
it can be resumed using the pass
switch.Brake control icon “BC”
This icon is replaced by the auxiliary
system warning and coolant tempera-
ture warning indicators when they are
activated.
For more information on the BC sys-
tem see “BC” on page 3-4. Error mo
de warnin g “Err”
When an internal error occurs (e.g.,
communication with a system control-
ler has been cut off), the error mode
warning will appear as follows.
“Err” and “ ” indicator light indicates
an ECU error.
“Err” only indicates an ABS ECU error.
TIPDepending on the nature of the error,
the display may not function properly
and TCS settings may be impossible to
change. Additionally, ABS may not
function properly. Use extra care when
braking and have a Yamaha dealer
check the vehicle immediately.Auxiliary system warnin g“”
This icon appears if a problem is de-
tected in a non-engine-related system.
Coolant temperature warnin g“”
This icon appears if the coolant tem-
perature reaches 116 °C (241 °F) or
higher. Stop the vehicle and turn off the
engine. Allow the engine to cool.
NOTICE
ECA10022
Do not continue to operate the en-
g ine if it is overheatin g.Oil pressure warnin g“”
This icon appears when the engine oil
pressure is low. When the vehicle is
first turned on, engine oil pressure has
yet to build, so this icon will come on
and stay on until the engine has been
started.TIPIf a malfunction is detected, the oil
pressure warning icon will flash repeat-
edly.NOTICE
ECA26410
Do not continue to operate the en-
g ine if the oil pressure is low.
UB7NE0E0.book Page 13 Friday, October 2, 2020 4:38 PM

For your safety – pre-operation checks
5-1
5
EAU1559B
Inspect your vehicle each time you use it to make sure the vehicle is in safe operating condition. Always follow the inspection
and maintenance procedures and schedules described in the Owner’s Manual.
WARNING
EWA11152
Failure to inspect or maintain the vehicle properly increases the possibility of an acci dent or equipment damag e.
Do not operate the vehicle if you fin d any pro blem. If a pro blem cannot b e corrected b y the proce dures provi ded in
this manual, have the vehicle inspecte d b y a Yamaha dealer.Before using this vehicle, check the following points:
ITEM CHECKS PAGE
Fuel • Check fuel level in fuel tank.
• Refuel if necessary.
• Check fuel line for leakage.
• Check fuel tank overflow hose for obstructions, cracks or damage, and check
hose connection. 4-22, 4-23
En gine oil • Check oil level in engine.
• If necessary, add recommended oil to specified level.
• Check vehicle for oil leakage. 7-10
Coolant • Check coolant level in reservoir.
• If necessary, add recommended coolant to specified level.
• Check cooling system for leakage. 7-13
Front brake • Check operation.
• If soft or spongy, have Yamaha dealer bleed hydraulic system.
• Check brake pads for wear.
• Replace if necessary.
• Check fluid level in reservoir.
• If necessary, add specified brake fluid to specified level.
• Check hydraulic system for leakage. 7-19, 7-20
UB7NE0E0.book Page 1 Friday, October 2, 2020 4:38 PM

Operation and important rid ing points
6-2
6
EAU91411
Startin g the eng ineThe ignition circuit cut-off system will
enable starting when:
 the transmission is in the neutral
position or
 the transmission is in gear, the
sidestand is up, and the clutch le-
ver is pulled.
To start the engine1. Turn the main switch on and set the engine stop switch to the run
position.
2. Confirm the indicator and warning light(s) come on for a few sec-
onds, and then go off. (See page
4-5.)TIPDo not start the engine if the mal-
function indicator light remains on.
 The oil pressure and coolant tem-
perature warning light should
come on and stay on until the en-
gine is started. 
The ABS warning light should
come on and stay on until the ve-
hicle reaches a speed of 5 km/h (3
mi/h).
NOTICE
ECA24110
If a warnin g or in dicator li ght does
not work as d escribed a bove, have a
Yamaha dealer check the vehicle.3. Shift the transmission into the
neutral position.
4. Start the engine by pushing the start switch.
5. Release the start switch when the engine starts, or after 5 seconds.
Wait 10 seconds before pressing
the switch again to allow battery
voltage to restore.TIPIf the engine fails to start, try again with
the throttle grip turned by a 1/4 turn (20
degrees) open.
NOTICE
ECA11043
For maximum en gine life, never ac-
celerate har d when the en gine is
col d!1. 1/4 turn (20 degrees)
1 1 1
UB7NE0E0.book Page 2 Friday, October 2, 2020 4:38 PM