2010 YAMAHA PW80 wheel

PERIODIC MAINTENANCE AND ADJUSTMENT
7-16
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EAU22760
Drive chain slack
The drive chain slack should be
checked before each ride and adjusted
if necessary.
EAU22773
To check the drive chain slack
1. Place the motorcycle on the side-
stand.
TIP

When checking and adjusting the drive
chain slack, there should be no weight
on the motorcycle.
2. Shift the transmission into the neu-
tral position.
3. Move the rear wheel by pushing
the motorcycle to locate the tight-
est portion of the drive chain, and
then measure the drive chain slack
as shown.4. If the drive chain slack is incorrect,
adjust it as follows.
EAU40111
To adjust the drive chain slack
1. Loosen the brake pedal free play
adjusting nut, axle nut, and locknut
at each end of the swingarm.2. To tighten the drive chain, turn the
drive chain slack adjusting nut at
each end of the swingarm in direc-
tion (a). To loosen the drive chain,
turn the adjusting nut at each end
of the swingarm in direction (b),
and then push the rear wheel for-
ward.
NOTICE:
Improper drive
chain slack will overload the en-
gine as well as other vital parts
of the motorcycle and can lead
to chain slippage or breakage.
To prevent this from occurring,
keep the drive chain slack with-

Drive chain slack:
40.0–53.0 mm (1.57–2.09 in)
1. Drive chain slack
1

1. Brake pedal free play adjusting nut
2. Locknut
3. Drive chain slack adjusting nut
4. Wheel axle
2
14 3

PERIODIC MAINTENANCE AND ADJUSTMENT
7-17
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9 in the specified limits.

[ECA10571]

TIP

Using the alignment marks on each
side of the swingarm, make sure that
both adjusting nuts are in the same po-
sition for proper wheel alignment.
3. Tighten both locknuts and the axle
nut to the specified torques.4. Adjust the brake pedal free play.
(See page 7-14.)
EAU23013
Cleaning and lubricating the
drive chain
The 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

ECA10581
The drive chain must be lubricated
after washing the motorcycle and
riding in the rain.
1. Remove all dirt and mud from the
drive chain with a brush or cloth.
TIP

For a thorough cleaning, have a
Yamaha dealer remove the drive chain
and soak it in solvent.
2. Spray Yamaha Chain and Cable
Lube or a high-quality spray-type
drive chain lubricant on both sides
and on the middle of the chain,
making sure that all side plates and
rollers have been sufficiently oiled.
1. Alignment marks
2. Drive chain slack adjusting nut
3. Locknut
4. Washer
5. Axle nut
5
42
1
(a)
(b)3

Tightening torques:
Locknut:
6.5 Nm (0.7 m·kgf, 4.7 ft·lbf)
Axle nut:
60 Nm (6.0 m·kgf, 43.4 ft·lbf)

PERIODIC MAINTENANCE AND ADJUSTMENT
7-20
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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 operation
1. 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.
EAU23283
Checking the steering
Worn or loose steering bearings may
cause danger. Therefore, the operation
of the steering must be checked as fol-
lows at the intervals specified in the pe-
riodic maintenance and lubrication
chart.
1. Place a stand under the engine to
raise the front wheel off the
ground. (See page 7-21 for more
information.)
WARNING! To
avoid injury, securely support
the vehicle so there is no danger
of it falling over.
[EWA10751]

2. Hold the lower ends of the front
fork legs and try to move them for-
ward and backward. If any free
play can be felt, have a Yamaha
dealer check or repair the steering.

PERIODIC MAINTENANCE AND ADJUSTMENT
7-21
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9

EAU23290
Checking the wheel bearings
The front and rear wheel bearings must
be checked at the intervals specified in
the periodic maintenance and lubrica-
tion chart. If there is play in the wheel
hub or if the wheel does not turn
smoothly, have a Yamaha dealer check
the wheel bearings.
EAU24350
Supporting the motorcycle
Since this model is not equipped with a
centerstand, follow these precautions
when removing the front and rear
wheel or performing other maintenance
requiring the motorcycle to stand up-
right. Check that the motorcycle is in a
stable and level position before starting
any maintenance. A strong wooden
box can be placed under the engine for
added stability.
To service the front wheel
1. Stabilize the rear of the motorcycle
by using a motorcycle stand or, if
an additional motorcycle stand is
not available, by placing a jack un-
der the frame in front of the rear
wheel.
2. Raise the front wheel off the
ground by using a motorcycle
stand.
To service the rear wheel
Raise the rear wheel off the ground by
using a motorcycle stand or, if a motor-
cycle stand is not available, by placing
a jack either under each side of the

PERIODIC MAINTENANCE AND ADJUSTMENT
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frame in front of the rear wheel or under
each side of the swingarm.

EAU24360
Front wheel
EAU41532
To remove the front wheel
WARNING

EWA10821
To avoid injury, securely support the
vehicle so there is no danger of it
falling over.
1. Remove the brake cable holder by
removing the bolt.
2. Loosen the brake cable locknut at
the front wheel hub, and then turn
the brake cable free play adjusting
bolt fully in direction (a).3. Loosen the locknut at the brake le-
ver, and then turn the adjusting
bolt fully in direction (a).
1. Brake cable holder
2. Bolt
2
1

1. Adjusting nut
2. Locknut
3. Washer
4. Axle nut
5. Brake camshaft lever
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PERIODIC MAINTENANCE AND ADJUSTMENT
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4. Disconnect the brake cable from
the front brake lever.
5. Disconnect the brake cable from
the brake camshaft lever.
6. Remove the brake cable free play
adjusting bolt and the brake cable
locknut at the front wheel hub.
7. Remove the axle nut and washer.8. Lift the front wheel off the ground
according to the procedure on
page 7-21.
9. Pull the wheel axle out, and then
remove the wheel.

EAU41550
To install the front wheel
1. Install the brake shoe plate into the
wheel hub as shown.2. Lift the wheel up between the fork
legs.
TIP

Make sure that the slot in the brake
shoe plate fits over the retainer on the
fork leg.
1. Adjusting bolt
2. Locknut
2 1
(a)

1. Washer
2. Axle nut
2
1

1. Brake shoe plate
1

PERIODIC MAINTENANCE AND ADJUSTMENT
7-24
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3. Insert the wheel axle, and then in-
stall the washer and axle nut.
4. Lower the front wheel so that it is
on the ground.
5. Connect the brake cable at the
wheel hub.
6. Connect the brake cable at the
front brake lever.
7. Install the brake cable holder by in-
stalling the bolt.
8. Tighten the axle nut to the speci-
fied torque.
9. Adjust the brake lever free play.(See page 7-13.)
10. Push down hard on the handlebar
several times to check for proper
fork operation.

EAU25080
Rear wheel
EAU41562
To remove the rear wheel
WARNING

EWA10821
To avoid injury, securely support the
vehicle so there is no danger of it
falling over.
1. Loosen the axle nut.
2. Remove the brake pedal free play
adjusting nut, and then disconnect
1. Retainer
Tightening torque:
Axle nut:
35 Nm (3.5 m·kgf, 25.3 ft·lbf)
1

1. Drive chain slack adjusting nut
2. Locknut
3. Chain puller
4. Washer
5. Axle nut
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3

PERIODIC MAINTENANCE AND ADJUSTMENT
7-25
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the brake rod from the brake cam-
shaft lever.
3. Disconnect the brake torque rod
from the brake shoe plate by re-
moving the cotter pin, the nut, and
the bolt.
4. Loosen the locknut and drive chain
adjusting nut on each end of the
swingarm.5. Lift the rear wheel off the ground
according to the procedure on
page 7-21.
6. Remove the axle nut and washer,
and then pull the wheel axle out.
7. Push the wheel forward, and then
remove the drive chain from the
rear sprocket.
TIP

The drive chain does not need to be
disassembled in order to remove and
install the wheel.
8. Remove the spacer, chain pullers
and wheel by pulling it back.
EAU41571
To install the rear wheel
1. Install the drive chain onto the rear
sprocket.
2. Install the wheel by inserting the
chain pullers, spacer and then in-
sert the wheel axle from the
right-hand side.
3. Install the brake rod onto the brake
camshaft lever, and then install the
brake pedal free play adjusting nut
onto the brake rod.
4. Connect the brake torque rod onto
the brake shoe plate by installing
the bolt and nut, and then tighten
the nut to the specified torque.
5. Insert a new cotter pin into the
brake torque rod bolt.
WARNING!
Always use a new cotter
pin.
[EWA10831]

6. Install the washer and axle nut,
and then lower the rear wheel so
that it is on the ground.
7. Adjust the drive chain slack. (See
page 7-16.)
1. Brake pedal free play adjusting nut
2. Spacer
3. Chain puller
4. Wheel axle
5. Drive chain slack adjusting nut
6. Locknut
7. Brake torque rod
8. Brake torque rod bolt
9. Cotter pin
10.Brake torque rod nut
165
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98
10
3

Tightening torque:
Brake torque rod nut:
15.5 Nm (1.6 m·kgf, 11.2 ft·lbf)