2013 YAMAHA WR 450F brake

PERIODIC MAINTENANCE AND ADJUSTMENT
6-24
2
3
4
567
8
9
Rear brake
WARNING
EWA15990
Improper maintenance can result in
loss of braking ability. Observe
these precautions:
Insufficient brake fluid may al-
low air to enter the brake sys-
tem, reducing braking
performance.

Clean the filler cap before re-
moving. Use only DOT 4 brake
fluid from a sealed container.

Use only the specified brake flu-
id; otherwise, the rubber seals may deteriorate, causing leak-
age.

Refill with the same type of
brake fluid. Adding a brake fluid
other than DOT 4 may result in a
harmful chemical reaction.

Be careful that water does not
enter the brake fluid reservoir
when refilling. Water will signifi-
cantly lower the boiling point of
the fluid and may result in vaporlock.
NOTICE
ECA17640
Brake fluid may damage painted sur-
faces or plastic parts. Always cleanup 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 sys-
tem 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.
EAU52952
Changing the brake fluid Have 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 every
20000 km (12000 mi) or every two
years or whenever they are damaged
or leaking.
1. Minimum level markSpecified brake fluid:
DOT 41
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PERIODIC MAINTENANCE AND ADJUSTMENT
6-27
1
2
3
4
56
7
8
9
EAU23095
Checking and lubricating the
cables The operation of all control cables and
the condition of the cables should be
checked before each ride, and the ca-
bles and cable ends should be lubricat-
ed if necessary. If a cable is damaged
or does not move smoothly, have a
Yamaha dealer check or replace it.
WARNING! Damage to the outer
housing of cables may result in in-
ternal rusting and cause interfer-
ence with cable movement. Replace
damaged cables as soon as possi-
ble to prevent unsafe condi-
tions.
[EWA10711]

EAU23114
Checking and lubricating the
throttle grip and cable The operation of the throttle grip should
be checked before each ride. In addi-
tion, the cable should be lubricated by a
Yamaha dealer at the intervals speci-
fied in the periodic maintenance chart.
The throttle cable is equipped with a
rubber cover. Make sure that the cover
is securely installed. Even though the
cover is installed correctly, it does not
completely protect the cable from water
entry. Therefore, use care not to pour
water directly onto the cover or cable
when washing the vehicle. If the cable
or cover becomes dirty, wipe clean with
a moist cloth.
EAU23143
Checking and lubricating the
brake and clutch levers The operation of the brake and clutch
levers should be checked before each
ride, and the lever pivots should be lu-
bricated if necessary.
Brake lever
Recommended lubricant: Yamaha Chain and Cable Lube or
engine oil
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PERIODIC MAINTENANCE AND ADJUSTMENT
6-28
2
3
4
567
8
9
Clutch lever
EAU23183
Checking and lubr
icating the
brake pedal The operation of the brake pedal
should be checked before each ride,
and the pedal pivot should be lubricat-
ed if necessary.
EAU23202
Checking and lubricating the
sidestand The operation of the sidestand should
be checked before each ride, and the
sidestand pivot and metal-to-metal
contact surfaces should be lubricated if
necessary.
WARNING
EWA10731
If the sidestand does not move up
and down smoothly, have a Yamaha
dealer check or repair it. Otherwise,
the sidestand could contact the
ground and distract the operator, re-sulting in a possible loss of control.
Recommended lubricants: Brake lever: Silicone grease
Clutch lever: Lithium-soap-based grease
Recommended lubricant:Lithium-soap-based grease
Recommended lubricant:
Lithium-soap-based grease
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PERIODIC MAINTENANCE AND ADJUSTMENT
6-29
1
2
3
4
56
7
8
9
EAUM1652
Lubricating the swingarm
pivots The swingarm pivots must be lubricat-
ed by a Yamaha dealer at the intervals
specified in the periodic maintenance
and lubrication chart.
EAU23272
Checking the front fork The condition and operation of the front
fork must be checked as follows at the
intervals specified in the periodic main-
tenance and lubrication chart.
To check the condition
Check the inner tubes for scratches,
damage and excessive oil leakage.
To check the operation1. Place the vehicle on a level sur- face and hold it in an upright posi-
tion. WARNING! To avoid injury,
securely support the vehicle so
there is no danger of it falling
over.
[EWA10751]

2. While applying the front brake, push down hard on the handlebars
several times to check if the front
fork compresses and rebounds
smoothly.
NOTICE
ECA10590
If any damage is found or the front
fork does not operate smoothly,
have a Yamaha dealer check or re-pair it.
Recommended lubricant:Lithium-soap-based grease
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PERIODIC MAINTENANCE AND ADJUSTMENT
6-34
2
3
4
567
8
9
EAU24181
Tail/brake light This 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.
EAU24204
Replacing a turn signal light
bulb 1. Remove the turn signal light lensby removing the screw.
2. Remove the burnt-out bulb by pushing it in and turning it counter-
clockwise. 3. Insert a new bulb into the socket,
push it in, and then turn it clock-
wise until it stops.
4. Install the lens by installing the screw. NOTICE: Do not over-
tighten the screw, otherwise the
lens may break.
[ECA11191]

1. Screw
2. Turn signal light lens
1
2
1. Turn signal light bulb
1
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PERIODIC MAINTENANCE AND ADJUSTMENT
6-37
1
2
3
4
56
7
8
9
EAU24360
Front wheel
EAU49332
To remove the front wheel
WARNING
EWA10821
To avoid injury, securely support the
vehicle so there is no danger of itfalling over.1. Remove the rubber cap, and then loosen the front wheel axle pinch
bolts and the axle nut. 2. Lift the front wheel off the ground
according to the procedure in the
previous section “Supporting the
motorcycle”.
3. Remove the axle nut.
4. Pull the wheel axle out.
5. Remove the spacers and the wheel. NOTICE: Do not apply the
brake after the wheel has been
removed together with the
brake disc, otherwise the brake
pads will be forced shut.
[ECA11071]

EAU49342
To install the front wheel 1. Install the spacers into both sides of the wheel hub. NOTICE: When installing the spacers, be sure
to install them on the correct
side.
[ECA17700]

2. Lift the wheel up between the fork legs.
TIPMake sure that there is enough space
between the brake pads before install-
ing the brake caliper onto the brakedisc.
3. Insert the wheel axle from the right-hand side.
4. Install the axle nut.
5. Lower the front wheel so that it is on the ground, and then put the
sidestand down.
6. Tighten the axle nut to the speci- fied torque.
7. Tighten the front wheel axle pinch bolts to the specified torque, and
then install the rubber cap.
1. Front wheel axle pinch bolt
2. Axle nut
3. Rubber cap
23
1
1. Front wheel axle pinch bolt
2. Wheel axle1
2
Tightening torque: Axle nut:
90 Nm (9.0 m·kgf, 65 ft·lbf)
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PERIODIC MAINTENANCE AND ADJUSTMENT
6-38
2
3
4
567
8
9
8. Push down hard on the handlebar
several times to check for proper
fork operation.
EAU25080
Rear wheel
EAU45183
To remove the rear wheel
WARNING
EWA10821
To avoid injury, securely support the
vehicle so there is no danger of itfalling over.
1. Loosen the axle nut.
2. Lift the rear wheel off the ground according to the procedure on
page 6-36.
3. Remove the axle nut and washer.
4. Loosen the locknut on each side of the swingarm. 5. Turn the drive chain slack adjust-
ing bolts fully in direction (a).
6. Push the wheel forward, and then remove the drive chain from the
rear sprocket.
Tightening torque:Front wheel axle pinch bolt: 21 Nm (2.1 m·kgf, 15 ft·lbf)
1. Axle nut
2. Washer1
2
1. Drive chain slack adjusting bolt
2. Locknut
3. Brake caliper
12
3
(a)
1DX-9-E1.book 38 ページ ２０１２年７月３１日　火曜日　午前９時３１分

PERIODIC MAINTENANCE AND ADJUSTMENT
6-39
1
2
3
4
56
7
8
9
TIPThe drive chain does not need to be
disassembled in order to remove andinstall the rear wheel.7. While supporting the brake caliper, pull the wheel axle out.
8. Remove the drive chain pullers, spacers and the wheel. NOTICE:
Do not apply the brake after the
wheel has been removed to-
gether with the brake disc, oth-
erwise the brake pads will be
forced shut.
[ECA11071]

EAU45193
To install the rear wheel 1. Install the spacers into both sides of the wheel hub. NOTICE: When
installing the spacers, be sure
to install them on the correct
side.
[ECA17700]

2. Install the wheel, drive chain pull- ers and the brake caliper bracket
by inserting the wheel axle from
the left-hand side.
TIP
Make sure that the retainer on the
brake caliper bracket is inserted into the slot in the swingarm.

Make sure that there is enough
space between the brake pads be-fore installing the wheel.
3. Install the drive chain onto the rear sprocket.
4. Install the washer and the axle nut.
5. Lower the rear wheel so that it is on the ground, and then put the
sidestand down.
6. Adjust the drive chain slack. (See page 6-25.)
7. Tighten the axle nut, and then the locknuts to their specified torques.
1. Brake caliper bracket
2. Retainer
3. Slot
1
2
3
Tightening torques:Axle nut:125 Nm (12.5 m·kgf, 90 ft·lbf)
Locknut:
19 Nm (1.9 m·kgf, 14 ft·lbf)
1DX-9-E1.book 39 ページ ２０１２年７月３１日　火曜日　午前９時３１分