oil YAMAHA TW125 2000 User Guide

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PERIODIC MAINTENANCE AND MINOR REPAIR
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9 3. Remove the air filter from the
case.
4. Remove the air filter element
from its frame and clean it
with solvent. After cleaning,
remove the remaining solvent
by squeezing the element.
5. Apply recommended oil to the
entire surface of the element
and squeeze out the excess oil.
The element should be wet but
not dripping.
1. Air filter element
2. Air filter element frame
6. Install the air filter frame onto
the air filter and install the
assembly in the case.
7. Install the air filter case cover
and panel.
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8Make sure the air filter is prop-
erly seated in the air filter
case.
8The engine should never be
run without the air filter
installed. Excessive piston
and/or cylinder wear may
result.
Air filter case drain hose cleaning
Frequently check the hose at the
bottom of the air filter case. If dirt
or water is visible, remove and
clean the hose, then reinstall it.
1. Hose
Recommended oil:
Engine oil
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PERIODIC MAINTENANCE AND MINOR REPAIR
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9 8Use only the designated quali-
ty brake fluid. Otherwise, the
rubber seals may deteriorate,
causing leakage and poor
brake performance.
NOTE:
If DOT 4 is not available, DOT 3 can
be used.
8Refill with the same type of
brake fluid. Mixing fluids may
result in a harmful chemical
reaction and lead to poor
brake performance.
8Be careful that water does not
enter the master cylinder when
refilling. Water will significant-
ly lower the boiling point of
the fluid and may result in
vapor lock.8Brake fluid may deteriorate
painted surfaces or plastic
parts. Always clean up spilled
fluid immediately.
8Have a Yamaha dealer check
the cause if the brake fluid
level goes down.
EAU00742Brake fluid replacement
The brake fluid should be replaced
only by trained Yamaha service
personnel. Have the Yamaha deal-
er replace the following compo-
nents during periodic maintenance
or when they are damaged or leak-
ing:
8oil seals (every two years)
8brake hoses (every four years) Recommended brake fluid:
DOT 4
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PERIODIC MAINTENANCE AND MINOR REPAIR
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Too little chain slack will overload
the engine and other vital parts.
Keep the slack within the specified
limits.
4. Tighten the wheel axle nut to
the specified torque.
5. Adjust the brake pedal free
play.
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Check the operation of the brake
light after adjusting the rear brake.
EAU01106*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 regular-
ly. This service is especially neces-
sary when riding in dusty areas.
The drive chain should be lubri-
cated every 500 km. First, remove
all dirt and mud from the chain
with a brush or cloth. Then, spray
any of the many brands of spray-
type chain lubricant between
both rows of side plates and on
all center rollers.
To clean the chain thoroughly,
remove it from the motorcycle,
dip it in solvent, and clean out as
much dirt as possible. Then, take
the chain out of the solvent to
dry it, and immediately lubricate
it to prevent it from rusting.
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Be sure to oil the chain after wash-
ing the motorcycle or riding in the
rain.
Tightening torque:
Wheel axle nut:
90 Nm (9.0 m·kg)
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6-26
PERIODIC MAINTENANCE AND MINOR REPAIR
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EAU02962Cable inspection and
lubrication
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Damage to the outer housing of
cables may lead to internal rusting
and interfere with the cable move-
ment. Replace damaged cables as
soon as possible to prevent unsafe
conditions.
Lubricate the cables and cable
ends. If a cable does not operate
smoothly, ask a Yamaha dealer to
replace it.EAU00773Throttle 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 removed 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. Recommended lubricant:
Engine oil
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EAU02984Brake and shift pedal
lubrication
Lubricate the pivoting parts.
EAU02985Brake and clutch lever
lubrication
Lubricate the pivoting parts.
EAU02986Sidestand lubrication
Lubricate the sidestand pivoting
point and metal-to-metal contact
surfaces. Check that the sidestand
moves up and down smoothly.
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If the sidestand does not move
smoothly, consult a Yamaha deal-
er.
Recommended lubricant:
Engine oilRecommended lubricant:
Engine oil
Recommended lubricant:
Engine oil
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EAU00791Rear suspension lubrication
Lubricate the pivoting parts.
1. Grease nipple (´2)
EAU02939Front fork inspection
Visual checkEW000115
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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 han-
dlebars several times and
check if the fork rebounds
smoothly.
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If any damage or unsmooth move-
ment is found with the front fork,
consult a Yamaha dealer.
1
Recommended lubricant:
Lithium soap base grease
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EAU01071Battery
Check the level of the battery elec-
trolyte and make sure that the ter-
minals are tight.
Fill with distilled water if the elec-
trolyte level is low.
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When inspecting the battery, be
sure the breather hose is routed
correctly. If the breather hose is
positioned in such a way as to
cause battery electrolyte or gas to
exit onto the frame, structural and
cosmetic damage to the motorcy-
cle can occur.
1. Battery
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Battery electrolyte is poisonous
and dangerous, causing severe
burns, etc. It contains sulfuric acid.
Avoid contact with skin, eyes or
clothing.
ANTIDOTE:
8EXTERNAL: Flush with water.
8INTERNAL: Drink large quanti-
ties of water or milk. Follow
with milk of magnesia, beaten
egg, or vegetable oil. Call a
physician immediately.
8EYES: Flush with water for 15
minutes and get prompt med-
ical attention.
Batteries produce explosive gases.
Keep sparks, flame, cigarettes etc.,
away. Ventilate when charging or
using in an enclosed space.
Always shield your eyes when
working near batteries.
KEEP OUT OF REACH OF CHIL-
DREN.
1
2
Replenishing the battery fluid
A poorly maintained battery will
corrode and discharge quickly. The
battery fluid should be checked at
least once a month. The level
should be between the minimum
level and maximum level marks.
Use only distilled water if refilling
is necessary.
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Normal tap water contains miner-
als which are harmful to a battery;
therefore, refill only with distilled
water.
1. Maximum level mark
2. Minimum level mark
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7-1
EAU01518
MOTORCYCLE CARE AND STORAGE
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Care
The exposure of its technology
makes a motorcycle charming but
also vulnerable. Although high-
quality components are used, they
are not all rust-resistant. While a
rusty exhaust pipe may remain
unnoticed on a car, it does look
unattractive on a motorcycle.
Frequent and proper care, howev-
er, will keep your motorcycle look-
ing good, extend its life and main-
tain its performance. Moreover, the
warranty states that the vehicle
must be properly taken care of. For
all these reasons, it is recommend-
ed that you observe the following
cleaning and storing precautions.Before cleaning
1. Cover up the muffler outlet
with a plastic bag.
2. Make sure that all caps and
covers as well as all electrical
couplers and connectors,
including the spark plug cap,
are tightly installed.
3. Remove extremely stubborn
dirt, like oil burnt onto the
crankcase, with a degreasing
agent and a brush, but never
apply such products onto
seals, gaskets, sprockets, the
drive chain and wheel axles.
Always rinse the dirt and
degreaser off with water.Cleaning
After normal use
Remove dirt with warm water, a
neutral detergent and a soft clean
sponge, then rinse with plenty of
clean water. Use a tooth or bottle
brush for hard-to-reach parts.
Tougher dirt and insects will come
off more easily if the area is cov-
ered with a wet cloth for a few
minutes before cleaning.
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8Avoid using strong acidic
wheel cleaners, especially on
spoked wheels. If you do use
such products for hard-to-
remove dirt, do not leave it on
any longer than instructed,
then thoroughly rinse it off
with water, immediately dry
the area and apply a corrosion
protection spray.
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7-3
MOTORCYCLE CARE AND STORAGE
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9After cleaning
1. Dry the motorcycle with a
chamois or an absorbing cloth.
2. Immediately dry the drive
chain and lubricate it to pre-
vent it from rusting.
3. Use a chrome polish to shine
chrome, aluminum and stain-
less-steel parts, including the
exhaust system. (Even the
thermally induced discoloring
of stainless-steel exhaust sys-
tems can be removed through
polishing.)
4. To prevent corrosion, it is rec-
ommended to apply a corro-
sion protection spray on all
(even chrome- and nickel-plat-
ed) metal surfaces.
5. Use spray oil as a universal
cleaner to remove any remain-
ing dirt.
6. Touch up minor paint damage
caused by stones, etc.
7. Wax all painted surfaces.8. Let the motorcycle dry com-
pletely before storing it or cov-
ering it.
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Make sure that there is no oil or
wax on the brakes and tires. If nec-
essary, clean the brake discs and
linings with a regular brake disc
cleaner or acetone, and wash the
tires with warm water and mild
soap. Then, carefully test the
motorcycle for its braking perfor-
mance and cornering behavior.
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8Apply spray oil and wax spar-
ingly and wipe off any excess.
8Never apply oil or wax on rub-
ber and plastic parts, but treat
them with a suitable care
product.
8Avoid using abrasive polishing
compounds as they wear
away the paint.
NOTE:
Consult a Yamaha dealer for
advice on what products to use.
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7-4
MOTORCYCLE CARE AND STORAGE
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Storage
Short-term
Always store your motorcycle in a
cool, dry place and, if necessary,
protect it against dust with a
porous cover.
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8Storing the motorcycle in a
poorly ventilated room or cov-
ering it with a tarp while it is
still wet will allow water and
humidity to seep in and cause
rust.
8To prevent corrosion, avoid
damp cellars, stables (because
of the presence of ammonia)
and areas where strong chem-
icals are stored.
Long-term
Before storing your motorcycle for
several months:
1. Follow all the instructions in
the “Care” section of this
chapter.
2. 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.
3. Only for motorcycles equipped
with a fuel cock which has an
“OFF” position: Turn the fuel
cock to “OFF”.
4. Fill up the fuel tank and add
fuel stabilizer (if available) to
prevent the fuel tank from rust-
ing and the fuel from deterio-
rating.
5. Perform the following steps to
protect 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 place the
spark plug on the cylinder
head so that the electrodes are
grounded. (This will limit
sparking 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, install the
spark plug and then the spark
plug cap.
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When turning the engine over, be
sure to ground the spark plug elec-
trodes to prevent damage or injury
from sparking.
6. Lubricate all control cables and
the pivoting points of all levers
and pedals as well as of the
sidestand/centerstand.
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