wheel YAMAHA TW125 2001 User Guide

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PERIODIC MAINTENANCE AND MINOR REPAIR
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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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6-38
PERIODIC MAINTENANCE AND MINOR REPAIR
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9 To service the rear wheel
Raise the rear wheel off the ground
by using a motorcycle stand or, if a
motorcycle stand is not available, by
placing a jack either under each side
of the frame in front of the rear wheel
or under each side of the swingarm.
1
2
EAU03517
Front wheelTo remove the front wheel
EW000122
w8It is advisable to have a
Yamaha dealer service the
wheel.
8Securely support the motorcy-
cle so that there is no danger
of it falling over.1. Disconnect the speedometer
cable from the front wheel.
2. Loosen the axle nut.1. Speedometer cable
2. Axle nut
3. Lift the front wheel off the ground
according to the procedure on
page 6-37.
4. Remove the axle nut, pull the
wheel axle out, and then remove
the wheel.
ECA00048
cCDo not apply the brake after the
wheel has been removed together
with the brake disc, otherwise the
brake pads will be forced shut.
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EAU03519
Rear wheelTo remove the rear wheel
EW000122
w8It is advisable to have a
Yamaha dealer service the
wheel.
8Securely support the motorcy-
cle so that there is no danger
of it falling over.1. Loosen the axle nut.1. Axle nut
2. Chain adjusting plate
3. Brake adjusting nut
4. Brake rod
21
a3
4
EAU03518
To install the front wheel
1. Install the speedometer gear unit
into the wheel hub so that the
projections mesh with the slots.
2. Lift the wheel up between the
fork legs.NOTE:
Make sure that there is enough
space between the brake pads
before inserting the brake disc and
that the slot in the speedometer gear
unit fits over the retainer on the fork
leg.
3. Insert the wheel axle, and then
install the axle nut.
4. Lower the front wheel so that it is
on the ground.
5. Tighten the axle nut to the speci-
fied torque.
6. Connect the speedometer cable.Tightening torque:
Axle nut:
90 Nm (9.0 mákg)
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6-40
PERIODIC MAINTENANCE AND MINOR REPAIR
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9 2. Remove the brake pedal free
play adjusting nut, and then dis-
connect the brake rod from the
brake camshaft lever.
3. Turn the drive chain adjusting
plate on each side of the
swingarm fully in direction a.
4. Lift the rear wheel off the ground
according to the procedure on
page 6-37.
5. Remove the axle nut, and then
pull the wheel axle out.
6. Push the wheel forward, and
then remove the drive chain from
the rear sprocket.
NOTE:
The drive chain does not need to be
disassembled in order to remove and
install the wheel.7. Remove the wheel.
EAU03520
To install the rear wheel
1. Insert the wheel axle from the
left-hand side.NOTE:
Make sure that the drive chain adjust-
ing plates are installed with the
punched sides facing to the outside
and that the slot in the brake shoe
plate fits over the retainer on the
swingarm.2. Install the drive chain onto the
rear sprocket, and then adjust
the drive chain slack. (See page
6-26 for drive chain slack adjust-
ment procedures.)3. Install the axle nut, and then
lower the rear wheel so that it is
on the ground.
4. Tighten the axle nut to the speci-
fied torque.
5. Install the brake rod onto the
brake camshaft lever, and then
install the brake pedal free play
adjusting nut onto the brake rod.
6. Adjust the brake pedal free play.
(See page 6-21 for brake pedal
free play adjustment proce-
dures.)
EW000103
wAfter adjusting the brake pedal
free play, check the operation of
the brake light.
Tightening torque:
Axle nut:
90 Nm (9.0 mákg)
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7-1
EAU03521
MOTORCYCLE CARE AND STORAGE
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CareWhile the open design of a motorcy-
cle reveals the attractiveness of the
technology, it also makes it more vul-
nerable. Rust and corrosion can
develop even if high-quality compo-
nents are used. A rusty exhaust pipe
may go unnoticed on a car, however,
it detracts from the overall appear-
ance of a motorcycle. Frequent and
proper care does not only comply
with the terms of the warranty, but it
will also keep your motorcycle looking
good, extend its life and optimize its
performance.Before cleaning
1. Cover the muffler outlet with a
plastic bag after the engine has
cooled down.
2. Make sure that all caps and cov-
ers as well as all electrical cou-
plers 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
ECA00010
cC8Avoid using strong acidic
wheel cleaners, especially on
spoked wheels. If such prod-
ucts are used on hard-to-
remove dirt, do not leave the
cleaner on the affected area
any longer than instructed.
Also, thoroughly rinse the area
off with water, immediately dry
it, and then apply a corrosion
protection spray.
8Improper cleaning can damage
windshields, cowlings, panels
and other plastic parts. Use
only a soft, clean cloth or
sponge with mild detergent
and water to clean plastic.
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MOTORCYCLE CARE AND STORAGE
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7-2
8Do not use any harsh chemical
products on plastic parts. Be
sure to avoid using cloths or
sponges which have been in
contact with strong or abra-
sive cleaning products, sol-
vent or thinner, fuel (gasoline),
rust removers or inhibitors,
brake fluid, antifreeze or elec-
trolyte.
8Do not use high-pressure
washers or steam-jet cleaners
since they cause water seep-
age and deterioration in the
following areas: seals (of
wheel and swingarm bearings,
fork and brakes), electric com-
ponents (couplers, connec-
tors, instruments, switches
and lights), breather hoses
and vents.8For motorcycles equipped
with a windshield: Do not use
strong cleaners or hard
sponges as they will cause
dulling or scratching. Some
cleaning compounds for plas-
tic may leave scratches on the
windshield. Test the product
on a small hidden part of the
windshield to make sure that it
does not leave any marks. If
the windshield is scratched,
use a quality plastic polishing
compound after washing.
After normal useRemove dirt with warm water, a mild
detergent, and a soft, clean sponge,
and then rinse thoroughly with clean
water. Use a toothbrush or bottle-
brush for hard-to-reach areas.
Stubborn dirt and insects will come
off more easily if the area is covered
with a wet cloth for a few minutes
before cleaning.After riding in the rain, near the sea
or on salt-sprayed roadsSince sea salt or salt sprayed on
roads during winter are extremely
corrosive in combination with water,
carry out the following steps after
each ride in the rain, near the sea or
on salt-sprayed roads.NOTE:
Salt sprayed on roads in the winter
may remain well into spring.1. Clean the motorcycle with cold
water and a mild detergent, after
the engine has cooled down.
ECA00012
cCDo not use warm water since it
increases the corrosive action of
the salt.2. Apply a corrosion protection
spray on all metal, including
chrome- and nickel-plated, sur-
faces to prevent corrosion.
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7-5
MOTORCYCLE CARE AND STORAGE
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96. Lubricate all control cables and
the pivoting points of all levers
and pedals as well as of the
sidestand/centerstand.
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.
Alternatively, turn the wheels a
little every month in order to pre-
vent the tires from becoming
degraded in one spot.
8. Cover the muffler outlet with a
plastic bag to prevent moisture
from entering it.
9. Remove the battery and fully
charge it. Store it in a cool, dry
place and charge it once a
month. Do not store the battery
in an excessively cold or warm
place (less than 0 ¡C or more
than 30 ¡C). For more informa-
tion on storing the battery, see
page 6-33.
NOTE:
Make any necessary repairs before
storing the motorcycle.
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8-1
EAU01038
SPECIFICATIONS
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Specifications
Model TW125
Dimensions
Overall length 2,140 mm
Overall width 810 mm
Overall height 1,120 mm
Seat height 805 mm
Wheelbase 1,330 mm
Ground clearance 260 mm
Minimum turning radius 2,100 mm
Basic weight (with oil and full
fuel tank)125 kg
Engine
Engine type Air-cooled 4-stroke, SOHC
Cylinder arrangement Forward inclined
single cylinder
Displacement 124 cm
3
Bore ´Stroke 57.0 ´48.8 mm
Compression ratio 10:1
Starting system Electric starter
Lubrication system Wet sumpEngine oil
Type
Recommended engine oil
classification API Service SE, SF, SG type
or higher
cCBe sure to use motor oils that do not contain anti-friction
modifiers. Passenger car motor oils (often labeled ÒEnergy
ConservingÓ) contain anti-friction additives which will cause
clutch and/or starter clutch slippage, resulting in reduced
component life and poor engine performance.
Capacity
Without oil filter element
removal 1.0 L
With oil filter element removal 1.1 L
Total amount (dry engine) 1.3 L
Air filterWet type element
–10° 0° 10° 20° 30°
40°
SAE 10W/30
SAE 10W/40
SAE 20W/40
SAE 20W/50
–20°
SAE 15W/40 50°C
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8-3
SPECIFICATIONS
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Maximum load* 180 kg
Air pressure (cold tire)
up to 80 kg load*
Front
150 kPa (1.50 kg/cm
2, 1.50 bar)
Rear
150 kPa (1.50 kg/cm
2, 1.50 bar)
80 kg loadÐMaximum
load*
Front
150 kPa (1.50 kg/cm
2, 1.50 bar)
Rear
175 kPa (1.75 kg/cm
2, 1.75 bar)
Off-road riding
Front
125 kPa (1.25 kg/cm
2, 1.25 bar)
Rear
125 kPa (1.25 kg/cm
2, 1.25 bar)
*Load is total weight of cargo, rider, passenger and accessories.Wheels
Front
Type Spoke wheel
Size 2.50 ´18
Rear
Type Spoke wheel
Size 14M/C ´MT4.50
Brakes
Front
Type Single disc brake
Operation Right hand operation
Fluid DOT 4Rear
Type Drum brake
Operation Right foot operation
Suspension
Front
Type Telescopic fork
Rear
Type Swingarm (Monocross
suspension)
Spring/shock absorber
Front Coil spring/oil damper
Rear Coil-gas spring/oil damper
Wheel travel
Front 160 mm
Rear 150 mm
Electrical
Ignition system C.D.I.
Charging system
Type C.D.I. magneto
Nominal output 12 V, 170W @ 5,000 r/min
Battery
Type GM7CZ-3D
Voltage, capacity 12 V, 7 AH
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