check engine YAMAHA PW80 2010 User Guide

PERIODIC MAINTENANCE AND ADJUSTMENT
7-11
2
3
4
5
6
78
9
TIP

If the specified idling speed cannot be
obtained as described above, have a
Yamaha dealer make the adjustment.
EAU21370
Adjusting the throttle cable
free play
The throttle cable free play should mea-
sure 3.0–5.0 mm (0.12–0.20 in) at the
throttle grip. Periodically check the
throttle cable free play and, if neces-
sary, adjust it as follows.
TIP

The engine idling speed must be cor-
rectly adjusted before checking and ad-
justing the throttle cable free play.
1. Loosen the locknut.
2. To increase the throttle cable free
play, turn the adjusting nut in direc-
tion (a). To decrease the throttlecable free play, turn the adjusting
nut in direction (b).
3. Tighten the locknut.
1. Throttle stop screw
Engine idling speed:
1650–1750 r/min
1
(a) (b)

1. Throttle cable free play1
1. Locknut
2. Adjusting nut
1
2
(a)
(b)

PERIODIC MAINTENANCE AND ADJUSTMENT
7-18
1
2
3
4
5
6
7
8
9

EAU41842
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]

EAU23111
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 at
the intervals specified in the periodic
maintenance chart.
EAU23120
Adjusting the Autolube pump
The Autolube pump is a vital and so-
phisticated component of the engine,
which must be adjusted by a Yamaha
dealer at the intervals specified in the
periodic maintenance and lubrication
chart.
Recommended lubricant:
Yamaha Chain and Cable Lube or
4-stroke engine oil

PERIODIC MAINTENANCE AND ADJUSTMENT
7-20
1
2
3
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6
7
8
9

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
2
3
4
5
6
78
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
7-27
2
3
4
5
6
78
9

EAU25972
Troubleshooting chart
Check the fuel level in
the fuel tank.1. Fuel
There is
enough fuel.
There is
no fuel.
Supply fuel.
Operate the kickstarter.2. Compression
There is compression.
There is
no compression.Check the ignition.
Have a Yamaha dealer
check the vehicle.
Remove the spark plug
and check the electrodes.3. Ignition
Wet
DryWipe off with a dry cloth and correct the
spark plug gap, or replace the spark plug.
Have a Yamaha dealer check the vehicle.The engine does not start.
Have a Yamaha dealer check the vehicle.
Open the throttle halfway and operate
the kickstarter.
Check the compression.
The engine does not start.
Check the compression.

MOTORCYCLE CARE AND STORAGE
8-4
2
3
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7
89
“OFF”.
3. Drain the carburetor float chamber
by loosening the drain bolt; this will
prevent fuel deposits from building
up. Pour the drained fuel into the
fuel tank.
4. Fill up the fuel tank and add fuel
stabilizer (if available) to prevent
the fuel tank from rusting and the
fuel from deteriorating.
5. Perform the following steps to pro-
tect the cylinder, piston rings, etc.
from corrosion.
a. Remove the spark plug cap
and spark plug.
b. Pour a teaspoonful of engine oil
into the spark plug bore.
c. Install the spark plug cap onto
the spark plug, and then place
the spark plug on the cylinder
head so that the electrodes are
grounded. (This will limit spark-
ing during the next step.)
d. Turn the engine over several
times with the starter. (This will
coat the cylinder wall with oil.)
e. Remove the spark plug cap
from the spark plug, and theninstall the spark plug and the
spark plug cap.
WARNING! To
prevent damage or injury
from sparking, make sure to
ground the spark plug elec-
trodes while turning the en-
gine over.

[EWA10951]

6. Lubricate all control cables and the
pivoting points of all levers and
pedals as well as of the sidestand.
7. Check and, if necessary, correct
the tire air pressure, and then lift
the motorcycle so that both of its
wheels are off the ground. Alterna-
tively, turn the wheels a little every
month in order to prevent the tires
from becoming degraded in one
spot.
8. Cover the muffler outlet with a
plastic bag to prevent moisture
from entering it.
TIP

Make any necessary repairs before
storing the motorcycle.

INDEX
A
Air filter element, cleaning ......................... 7-8
Autolube pump, adjusting ........................ 7-19
B
Brake lever ................................................ 4-2
Brake lever, checking and lubricating ...... 7-19
Brake lever free play, adjusting ............... 7-14
Brake pedal ............................................... 4-2
Brake pedal, checking and lubricating ..... 7-19
Brake pedal free play, adjusting .............. 7-15
Brake shoes, checking ............................ 7-15
C
Cables, checking and lubricating ............. 7-18
Carburetor, adjusting ............................... 7-10
Care ........................................................... 8-1
D
Drive chain, cleaning and lubricating ....... 7-18
Drive chain slack ..................................... 7-16
E
Engine break-in ......................................... 6-3
Engine idling speed ................................. 7-11
Engine oil ................................................... 4-4
Engine, starting a warm ............................. 6-2
Engine stop switch..................................... 4-1
F
Front fork, checking ................................. 7-20
Fuel............................................................ 4-3
Fuel cock ................................................... 4-5
Fuel tank breather hose............................. 4-4
Fuel tank cap ............................................. 4-2
H
Handlebar switch ....................................... 4-1
I
Identification numbers ............................. 10-1
K
Kickstarter ................................................. 4-6
L
Labels, location ......................................... 1-1
M
Matte color, caution ................................... 8-1
Model label .............................................. 10-1
P
Parking ...................................................... 6-4
Part locations............................................. 3-1
Periodic maintenance and lubrication
chart ........................................................ 7-2
Power reduction plate................................ 4-1
Power reduction plate, removing ............... 7-6
S
Safety information ..................................... 2-1
Seat ........................................................... 4-7
Shifting ...................................................... 6-2
Shift pedal ................................................. 4-1
Shock absorber assembly ......................... 4-7
Sidestand .................................................. 4-8
Sidestand, checking and lubricating ........ 7-20
Spark arrester, cleaning ............................ 7-9
Spark plug, checking ................................. 7-5
Specifications ............................................ 9-1
Starter (choke) lever .................................. 4-6
Starting and warming up a cold engine ..... 6-1
Steering, checking ................................... 7-21
Storage ...................................................... 8-3
Supporting the motorcycle....................... 7-22
T
Throttle cable free play, adjusting ........... 7-11Throttle grip and cable, checking and
lubricating ............................................. 7-18
Tires ........................................................ 7-12
Tool kit ...................................................... 7-1
Transmission oil ........................................ 7-7
Troubleshooting ...................................... 7-26
Troubleshooting chart ............................. 7-28
V
Vehicle identification number .................. 10-1
W
Wheel bearings, checking ....................... 7-21
Wheel (front) ........................................... 7-22
Wheel (rear) ............................................ 7-25
Wheels .................................................... 7-13