check engine YAMAHA TW125 2001 Owner's Manual

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EAU02962
Checking and lubricating the
cablesThe operation of all control cables
and the condition of the cables
should be checked before each ride,
and the cables and cable ends
should be lubricated if necessary. If a
cable is damaged or does not move
smoothly, have a Yamaha dealer
check or replace it.
EW000112
wDamage to the outer sheath may
interfere with proper cable opera-
tion and will cause the inner cable
to rust. Replace a damaged cable
as soon as possible to prevent
unsafe conditions.
Recommended lubricant:
Engine oil
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EAU03209
Checking and lubricating the
throttle grip and cableThe operation of the throttle grip and
the condition of the throttle cable
should be checked before each ride,
and the cable should be lubricated or
replaced if necessary.NOTE:
Since the throttle grip must be
removed to access the throttle cable
end, the throttle grip and the cable
should always be lubricated at the
same time.1. Remove the throttle grip by
removing the screws.
2. Disconnect the throttle cable,
hold it up, and then apply several
drops of oil to the cable end,
allowing it to trickle into the
sheath.
3. Connect the throttle cable, and
then grease the inside of the
throttle grip housing.
EAU03370
Checking and lubricating the
brake and shift pedalsThe operation of the brake and shift
pedals should be checked before
each ride, and the pedal pivots
should be lubricated if necessary.
Recommended lubricant:
Lithium-soap-based grease
(all-purpose grease)
4. Grease the metal-to-metal con-
tact surface of the throttle grip,
and then install the grip by
installing the screws.
Recommended lubricant:
Throttle cable:
Engine oil
Throttle grip housing and grip:
Lithium-soap-based grease
(all-purpose grease)
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EAU02939
Checking the front forkThe condition and operation of the
front fork must be checked as follows
at the intervals specified in the peri-
odic maintenance and lubrication
chart.
To check the condition
EW000115
wSecurely support the motorcycle
so that there is no danger of it
falling over.Check the inner tubes for scratches,
damage and excessive oil leakage.To check the operation
1. Place the motorcycle on a level
surface and hold it in an upright
position.
2. While applying the front brake,
push down hard on the handle-
bars several times to check if the
front fork compresses and
rebounds smoothly.
EC000098
cCIf any damage is found or the front
fork does not operate smoothly,
have a Yamaha dealer check or
repair it.
EAU00794
Checking the steeringWorn or loose steering bearings may
cause danger. Therefore, the opera-
tion of the steering must be checked
as follows at the intervals specified in
the periodic maintenance and lubrica-
tion chart.
1. Place a stand under the engine
to raise the front wheel off the
ground.
EW000115
wSecurely support the motorcycle
so that there is no danger of it
falling over.
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EAU01579
Supporting the motorcycleSince this model is not equipped with
a centerstand, follow these precau-
tions when removing the front and
rear wheel or performing other main-
tenance requiring the motorcycle to
stand upright. Check that the motor-
cycle 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 motorcy-
cle by using a motorcycle stand
or, if an additional motorcycle
stand is not available, by placing
a jack under the frame in front of
the rear wheel.
2. Raise the front wheel off the
ground by using a motorcycle
stand. 2. Remove the defective bulb by
pushing it in and turning it coun-
terclockwise.
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
screws.
EC000108
cCDo not overtighten the screws,
otherwise the lens may break.1. Bulb
1
EAU01623
Replacing the tail/brake light
bulb1. Remove the tail/brake light lens
by removing the screws.1. Screw (´2)
1
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EAU03009
Troubleshooting chart
EW000125
wKeep away open flames and do not smoke while checking or working on the fuel system.1. Fuel
2. Compression
3. Ignition
4. Battery
Use the electric starter.Remove spark
There is compression.
Go to ignition check.
No compression.
Ask a Yamaha dealer to inspect.Wet.
Dry.Wipe clean with dry cloth and Open throttle half-way and start
Ask a Yamaha dealer to inspect.
Engine turns over
Engine turns overBattery good.
Check fluid, recharge,
Use the electric starter.Check if there is fuel
Enough fuel.
No fuel.
Go to compression check.Supply fuel.
in the fuel tank.
electrodes. plug and check
quickly.
slowly. check connections.Engine doesn’t start, go to battery
check.the engine. correct spark gap or replace plug.
Engine doesn’t start, ask a Yamahadealer to inspect.
Engine doesn’t start, go to compression check.
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