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INSTRUMENT AND CONTROL FUNCTIONS
3-18
3
wheel hu
bs may be damag ed , re-
sultin g in improper performance of
the ABS system.
EAU13075
Fuel tank capTo open the fuel tank cap
Open the fuel tank cap lock cover, in-
sert the key into the lock, and then turn
it 1/4 turn clockwise. The lock will be
released and the fuel tank cap can be
opened.
To close the fuel tank cap 1. Push the fuel tank cap into posi- tion with the key inserted in the
lock.
2. Turn the key counterclockwise to the original position, remove it,
and then close the lock cover.
TIPThe fuel tank cap cannot be closed un-
less the key is in the lock. In addition,
the key cannot be removed if the cap is
not properly closed and locked.
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. Unlock.
2. Fuel tank cap lock cover
2
1
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INSTRUMENT AND CONTROL FUNCTIONS
3-20
3
brand. Use of unleaded fuel will extend
spark plug life and reduce mainte-
nance costs.
Gasohol
There are two types of gasohol: gaso-
hol containing ethanol and that con-
taining methanol. Gasohol containing
ethanol can be used if the ethanol con-
tent does not exceed 10% (E10). Gas-
ohol containing methanol is not
recommended by Yamaha because it
can cause damage to the fuel system
or vehicle performance problems.
EAU51193
Fuel tank
breather hose an d
overflow hoseBefore operating the motorcycle:
Check each hose connection.
Check each hose for cracks or
damage, and replace if necessary.
Make sure that the end of each
hose is not blocked, and clean if
necessary.
Make sure that each hose is rout-
ed through the clamp.
EAU13434
Catalytic converterThis model is equipped with a catalytic
converter in the exhaust system.
WARNING
EWA10863
The exhaust system is hot after op-
eration. To prevent a fire hazar d or
b urns:
Do not park the vehicle near
possi ble fire hazar ds such as
g rass or other materials that
easily burn.
Park the vehicle in a place
where pe destrians or chil dren
are not likely to touch the hot
exhaust system.
Make sure that the exhaust sys-
tem has coole d down before
d oin g any maintenance work.
Do not allow the en gine to i dle
more than a few minutes. Lon g
i d lin g can cause a b uild-up of
heat.
1. Fuel tank breather hose and overflow hose
2. Clamp
21
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INSTRUMENT AND CONTROL FUNCTIONS
3-21
3
NOTICE
ECA10702
Use only unleaded g asoline. The use
of lead ed g asoline will cause unre-
pairab le damag e to the catalytic
converter.
EAU57991
SeatTo remove the seat 1. Open the seat lock cover, insert the key into the seat lock, and then
turn the key counterclockwise.
2. While holding the key in that posi- tion, lift the rear of the seat up, and
then pull the seat off.
To install the seat 1. Insert the projections into the seat holders as shown. 2. Push the rear of the seat down to
lock it in place.
3. Remove the key.
TIPMake sure that the seat is properly se-
cured before riding.
1. Seat lock
2. Seat lock cover
3. Unlock.1
32
1. Projection
2. Seat holder
1
2
21
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PERIODIC MAINTENANCE AND ADJUSTMENT
6-22
6
Use only the specifie d 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 ddin g a brake flui d
other than DOT 4 may result in a
harmful chemical reaction.
Be careful that water or dust
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 irt may
clo g the ABS hy draulic unit
valves.
NOTICE
ECA17641
Brake flui d may d amage painte d
surfaces or plastic parts. Always
clean up spille d flui d 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.
EAU22733
Chan
gin g the brake flui dHave a Yamaha dealer change the
brake fluid at the intervals specified in
the periodic maintenance and lubrica-
tion chart. In addition, have the oil seals
of the master cylinders and calipers as
well as the brake hoses replaced at the
intervals listed below or whenever they
are damaged or leaking.
Oil seals: Replace every two
years.
Brake hoses: Replace every four
years.
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PERIODIC MAINTENANCE AND ADJUSTMENT
6-23
6
EAU22762
Drive chain slackThe drive chain slack should be
checked before each ride and adjusted
if necessary.
EAU22775
To check the drive chain slack
1. Place the motorcycle on the side- stand.TIPWhen checking and adjusting the drive
chain slack, there should be no weight
on the motorcycle.2. Shift the transmission into theneutral position.
3. Measure the drive chain slack as shown. 4. If the drive chain slack is incorrect,
adjust it as follows.
EAU57970
To a djust the drive chain slack
Consult a Yamaha dealer before ad-
justing the drive chain slack. 1. Loosen the axle nut and the lock- nut on each side of the swingarm. 2. To tighten the drive chain, turn the
drive chain slack adjusting bolt on
each side of the swingarm in di-
rection (a). To loosen the drive
chain, turn the adjusting bolt on
each side of the swingarm in di-
rection (b), and then push the rear
wheel forward. NOTICE: Improp-
er drive chain slack will over-
loa d the en gine as well as other
vital parts of the motorcycle an d
can lead to chain slippa ge or
b reakag e. If the drive chain
slack is more than 25.0 mm
(0.98 in), the chain can damag e
the frame, swin garm, an d other
parts. To prevent this from oc-
Drive chain slack: 5.0–15.0 mm (0.20–0.59 in)
1. Drive chain slack
1
1. Axle nut
2. Locknut
2
1
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Page 75 of 110
![YAMAHA MT-09 2014 Owners Manual PERIODIC MAINTENANCE AND ADJUSTMENT
6-24
6
currin
g, keep the d rive chain
slack within the specified limits.
[ECA17791]
TIPUsing the alignment marks and notch
on each side of the swingarm, make
sure YAMAHA MT-09 2014 Owners Manual PERIODIC MAINTENANCE AND ADJUSTMENT
6-24
6
currin
g, keep the d rive chain
slack within the specified limits.
[ECA17791]
TIPUsing the alignment marks and notch
on each side of the swingarm, make
sure](/manual-img/51/50895/w960_50895-74.png)
PERIODIC MAINTENANCE AND ADJUSTMENT
6-24
6
currin
g, keep the d rive chain
slack within the specified limits.
[ECA17791]
TIPUsing the alignment marks and notch
on each side of the swingarm, make
sure that both drive chain pullers are in
the same position for proper wheel
alignment.
3. Tighten the axle nut, then the lock-
nuts to their specified torques.
4. Make sure that the drive chain pullers are in the same position,
the drive chain slack is correct,
and the drive chain moves
smoothly.
EAU23026
Cleanin g an d lu bricatin g the
d rive chainThe drive chain must be cleaned and
lubricated at the intervals specified in
the periodic maintenance and lubrica-
tion chart, otherwise it will quickly wear
out, especially when riding in dusty or
wet areas. Service the drive chain as
follows.NOTICE
ECA10584
The drive chain must b e lubricate d
after washin g the motorcycle, ri din g
in the rain or ri din g in wet areas.1. Clean the drive chain with kero-
sene and a small soft brush.
NOTICE: To prevent d amaging
the O-rin gs, do not clean the
d rive chain with steam cleaners,
hi gh-pressure washers or inap-
propriate solvents.
[ECA11122]
2. Wipe the drive chain dry.
3. Thoroughly lubricate the drive chain with a special O-ring chain
lubricant. NOTICE: Do not use
en gine oil or any other lu bri-
cants for the drive chain, as they
1. Drive chain slack adjusting bolt
(a)(b)
1
1. Notch
2. Alignment marks
3. Drive chain puller
Ti ghtenin g torques:
Axle nut:
150 Nm (15 m·kgf, 108 ft·lbf)
Locknut: 16 Nm (1.6 m·kgf, 12 ft·lbf)
3
12
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PERIODIC MAINTENANCE AND ADJUSTMENT
6-32
6
MT09A
3. Place the panel in the original po- sition.
4. Install the bolt and quick fasten- ers.
To access fuse box 2, the main fuse,
and the fuel injection system fuse, re-
move the seat. (See page 3-21.) MT09 MT09A
TIPTo access the fuel injection system
fuse, remove the starter relay cover by
pulling it upward.
1. Ignition fuse
2. ABS control unit fuse
3. Parking lighting fuse
4. Auxiliary fuse
5. Signaling system fuse
6. Headlight fuse
7. Spare fuse
123
7
456
1. Fuse box 2
2. Main fuse
3. Fuel injection system fuse
4. Fuel injection system spare fuse
1. Radiator fan motor fuse
2. Backup fuse (for clock and immobilizer sys-
tem)
3. Electronic throttle valve fuse
4. Spare fuse
2
3
4
1
123
4
1. Radiator fan motor fuse
2. Backup fuse (for clock and immobilizer sys-
tem)
3. Electronic throttle valve fuse
4. ABS solenoid fuse
5. ABS motor fuse
6. Spare fuse
123
6
45
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Page 87 of 110
PERIODIC MAINTENANCE AND ADJUSTMENT
6-36
6
11. Connect the auxiliary light cou-
pler.
12. Align the holes in the headlight unit with the holes in the headlight
unit cover.
13. Install the grommets.
14. Place the headlight unit side cov- ers in their original position, and
then install the bolts.
15. Have a Yamaha dealer adjust the headlight beam if necessary.
EAU24182
Tail/b rake li ghtThis model is equipped with an LED-
type tail/brake light.
If the tail/brake light does not come on,
have a Yamaha dealer check it.
EAU24205
Replacin g a turn sig nal light
b ul b1. Remove the turn signal light lens
by removing the screw.
2. Remove the burnt-out bulb by pushing it in and turning it coun-
terclockwise.
1. Headlight unit
2. Headlight coupler1
2
1. Turn signal light lens
2. Screw
1
2
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