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a. Pedal height
EAU00712
Rear brake pedal height
adjustment
The top of the brake pedal should be
positioned 40 mm below the top of the
footrest. If not, ask a Yamaha dealer to
adjust it.
EW000109
A soft or spongy feeling in the brake
pedal can indicate the presence of
air in the brake system. This air
must be removed by bleeding the
brake system before the motorcycle
is operated. Air in the system will
cause greatly diminished braking
capability and can result in loss of
control and an accident. Have a
Yamaha dealer inspect and bleed
the system if necessary.
1. Brake light switch
2. Adjusting nut
EAU00713
Brake light switch adjustment
The rear brake light switch is activated
by the brake pedal and is properly ad-
justed when the brake light comes on
just before braking takes effect. To ad-
just the rear brake light switch, hold the
switch body so it does not rotate while
turning the adjusting nut. Turn the ad-
justing nut in direction a
to make the
brake light come on earlier. Turn the
adjusting nut in direction b
to make the
brake light come on later.
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1. Wear indicator groove (´ 2)
EAU00721
Checking the front and rear
brake pads
EAU00725
Front brake
A wear indicator groove is provided on
each brake pad. This indicator allows
checking of brake pad wear without
disassembling the brake. Inspect the
groove. If the groove has almost disap-
peared, ask a Yamaha dealer to re-
place the pads.
1. Wear indicator (´ 2)
EAU00728
Rear brake
Apply the brake and inspect the wear
indicator. If the wear indicator is
ALMOST in contact with the disc plate,
ask a Yamaha dealer to replace the
pads.
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1. Minimum level mark
EAU00732
Inspecting the brake fluid
level
Insufficient brake fluid may let air enter
the brake system, possibly causing the
brakes to become ineffective.
Before riding, check that the brake fluid
is above the minimum level and fill
when necessary.
Observe these precautions:
lWhen checking the fluid level,
make sure the top of the master
cylinder is level by turning the han-
dlebars.
1. Minimum level mark
l
Use only the designated quality
brake fluid. Otherwise, the rubber
seals may deteriorate, causing
leakage and poor brake perfor-
mance.
NOTE:
If DOT 4 is not available, DOT 3 can be
used.Recommended brake fluid: DOT 4
lRefill with the same type of brake
fluid. Mixing fluids may result in a
harmful chemical reaction and
lead to poor brake performance.
lBe careful that water does not en-
ter the master cylinder when refill-
ing. Water will significantly lower
the boiling point of the fluid and
may result in vapor lock.
lBrake fluid may deteriorate paint-
ed surfaces or plastic parts. Al-
ways clean up spilled fluid
immediately.
lHave a Yamaha dealer check the
cause if the brake fluid level goes
down.
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EAU00742
Brake fluid replacement
The brake fluid should be replaced only
by trained Yamaha service personnel.
Have the Yamaha dealer replace the
following components during periodic
maintenance or when they are dam-
aged or leaking:
loil seals (every two years)
lbrake hoses (every four years)a. Chain slack
EAU00745
Drive chain slack check
NOTE:
Spin the wheel several times and find
the tightest position of the chain. Check
and/or adjust the chain slack while itÕs
in this tightest position.
Inspect the drive chain when the motor-
cycle is on the centerstand. Check the
slack at the position shown in the illus-
tration. Normal slack is approximately
30 ~ 40 mm. If the slack exceeds
40 mm, adjust.
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1. Axle nut
2. Locknut
3. Adjusting nut
4. Alignment marks
EAU00762
Drive chain slack adjustment
1. Loosen the axle nut.
2. Loosen the locknuts on each side.
To tighten the chain, turn the chain
adjusting nuts in direction a
. To
loosen the chain, turn the adjust-
ing nuts in direction b
and push
the wheel forward. Turn each ad-
justing nut exactly the same
amount to maintain correct axle
alignment. There are marks oneach side of the swingarm. Use
these marks to align the rear
wheel.
EC000096
CAUTION:
Too little chain slack will overload
the engine and other vital parts.
Keep the slack within the specified
limits.
3. After adjusting, tighten the lock-
nuts. Then tighten the axle nut to
the specified torque.
Tightening torque:
Axle nut:
105 Nm (10.5 mákg)
EAU00769
Drive chain lubrication
The chain consists of many parts which
work with each other. If the chain is not
maintained properly, it will wear out
quickly. Therefore, the chain must be
serviced regularly. This service is es-
pecially necessary when riding in dusty
areas. This motorcycle is equipped
with a sealed type chain. Steam clean-
ing, high-pressure washes, and sol-
vents can damage chain so do not use
these for cleaning it. Use only kerosene
to clean the drive chain. Wipe it dry,
and thoroughly lubricate it with SAE 30
~ 50W motor oil. Do not use any other
lubricants on the drive chain. They may
contain solvents that could damage the
sealed chain.
EC000097
CAUTION:
Be sure to oil the chain after wash-
ing the motorcycle or riding in the
rain.
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EAU02962
Cable inspection and
lubrication
EW000112
Damage to the outer housing of ca-
bles may lead to internal rusting and
interfere with the cable movement.
Replace damaged cables as soon as
possible to prevent unsafe condi-
tions.
Lubricate the cables and cable ends. If
a cable does not operate smoothly, ask
a Yamaha dealer to replace it.
Recommended lubricant:
Engine oil
EAU00773
Throttle cable and grip
lubrication
The throttle twist grip assembly should
be greased at the time that the cable is
lubricated, since the grip must be re-
moved to get at the end of the throttle
cable. After removing the screws, hold
the end of the cable up in the air and
put in several drops of lubricant. With
the throttle grip disassembled, coat the
metal surface of the grip assembly with
a suitable all-purpose grease.
EAU02984
Brake and shift pedal
lubrication
Lubricate the pivoting parts.
Recommended lubricant:
Engine oil
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EAU02985
Brake and clutch lever
lubrication
Lubricate the pivoting parts.
Recommended lubricant:
Engine oil
EAU02965
Center and sidestand
lubrication
Lubricate the pivoting and mating
joints.
Check to see that the center and side-
stand move up and down smoothly.
EW000114
If the center and/or sidestand does
not move smoothly, consult a
Yamaha dealer.Recommended lubricant:
Engine oil
EAU00790
Rear suspension lubrication
Lubricate the pivoting parts.
Recommended lubricant:
Molybdenum disulfide grease
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EAU02939
Front fork inspection
Visual checkEW000115
Securely support the motorcycle so
there is no danger of it falling over.
Check for scratches or damage on the
inner tube and excessive oil leakage
from the front fork.
Operation check
1. Place the motorcycle on a level
place.
2. Hold the motorcycle in an upright
position and apply the front brake.
3. Push down hard on the handle-
bars several times and check if the
fork rebounds smoothly.
EC000098
CAUTION:
If any damage or unsmooth move-
ment is found with the front fork,
consult a Yamaha dealer.
EAU00794
Steering inspection
Periodically inspect the condition of the
steering. Worn out or loose steering
bearings may be dangerous. Place a
stand under the engine to raise the
front wheel off the ground. Hold the
lower end of the front forks and try to
move them forward and backward. If
any free play can be felt, ask a Yamaha
dealer to inspect and adjust the steer-
ing. Inspection is easier if the front
wheel is removed.
EW000115
Securely support the motorcycle so
there is no danger of it falling over.
