Yamaha TTR125 (Y) E(Y) LW(Y) LWE(Y) 2009 Owner's manual
Read this manual carefully before operating this vehicle.
Il convient de lire attentivement ce manuel avant la première
utilisation du véhicule.
Bitte lesen Sie diese Bedienungsanleitung sorgfalfig durch,
bevor Sie das Fahrzeug in Betrieb nehmen.
OWNER´S MANUAL
MANUEL DU PROPRIÉTAIRE
BEDIENUNGSANLEITUNG
TT-R125(Y)
TT-R125E(Y)
TT-R125LW(Y)
TT-R125LWE(Y)
1B2-F8199-84
Read this manual carefully before operating this vehicle.
OWNER´S MANUAL
TT-R125(Y)
TT-R125E(Y)
TT-R125LW(Y)
TT-R125LWE(Y)
1B2-F8199-84-E0
EAUW0770
Read this manual carefully before operating this vehicle. This manual should stay with this vehicle if it is sold.
INTRODUCTION
Congratulations on your purchase of the YamahaTT-R125/ TT-R125E/ TT-R125LW/TT-R125LWE. This model is the result of
EAU41662
Yamaha’s vast experience in the production of fine sporting, touring, and pacesetting racing machines. It represents the high
degree of craftsmanship and reliability that have made Yamaha a leader in these fields.
This manual will give you an understanding of the operation, inspection, and basic maintenance of this motorcycle. If you
have any questions concerning the operation or maintenance of your motorcycle, please consult a Yamaha dealer.
The design and manufacture of this Yamaha motorcycle fully comply with the emissions standards for clean air applicable at
the date of manufacture. Yamaha has met these standards without reducing the performance or economy of operation of the
motorcycle. To maintain these high standards, it is important that you and your Yamaha dealer pay close attention to the
recommended maintenance schedules and operating instructions contained within this manual.
Yamaha continually seeks advancements in product design and quality. Therefore, while this manual contains the most
current product information available at the time of printing, there may be minor discrepancies between your motorcycle and
this manual. If there is any question concerning this manual, please consult a Yamaha dealer.
EWA10031
Please read this manual carefully and completely before operating this motorcycle.
EWA14351
This motorcycle is designed and manufactured for off-road use only. It is illegal to operate this motorcycle on any
public street, road or highway. Such use is prohibited by law. This motorcycle complies with almost all state offhighway noise level and spark arrester laws and regulations. Please check your local riding laws and regulations
before operating this motorcycle.
INTRODUCTION
AN IMPORTANT SAFETY MESSAGE:
z Read this manual completely before operating your motorcycle. Make sure you understand all instructions.
z Pay close attention to the warning and notice labels on the motorcycle.
z Never operate a motorcycle without proper training or instruction.
z Weight of the rider should not exceed 150 kg (331 lb).
AN IMPORTANT NOTE TO PARENTS:
This motorcycle is not a toy. Before you let your child ride this motorcycle, you should understand the instructions and
warnings in this Owner’s Manual. Then be sure your child understands and will follow them. Children differ in skills, physical
abilities, and judgment. Some children may not be able to operate a motorcycle safely. Parents should supervise their child’s
use of the motorcycle at all times. Parents should permit continued use only if they determine that the child has the ability to
operate the motorcycle safely.
Motorcycles are single track vehicles. Their safe use and operation are dependent upon the use of proper riding
techniques as well as the expertise of the operator. Every operator should know the following requirements before
riding this motorcycle.
He or she should:
z Obtain thorough instructions from a competent source on all aspects of motorcycle operation.
z Observe the warnings and maintenance requirements in this Owner’s Manual.
z Obtain qualified training in safe and proper riding techniques.
z Obtain professional technical service as indicated in this Owner’s Manual and/or when made necessary by mechanical
conditions.
IMPORTANT MANUAL INFORMATION
Particularly important information is distinguished in this manual by the following notations:
This is the safety alert symbol. It is used to alert you to potential personal injury hazards. Obey
all safety messages that follow this symbol to avoid possible injury or death.
A WARNING indicates a hazardous situation which, if not avoided, could result in death or
serious injury.
NOTICE
TIP
A NOTICE indicates special precautions that must be taken to avoid damage to the vehicle or
other property.
A TIP provides key information to make procedures easier or clearer.
EAU10132
IMPORTANT MANUAL INFORMATION
TT-R125(Y) / TT-R125E(Y) /
TT-R125LW(Y) / TT-R125LWE(Y)
OWNER’S MANUAL
© 2008 by Yamaha Motor da Amazônia Ltda
1st edition, May 2008
All rights reserved
Any reprinting or unauthorized use
without the written permission of
Yamaha Motor da Amazônia Ltda
is expressly prohibited.
Printed in Brazil.
EAUW0710
TABLE OF CONTENTS
SAFETY INFORMATION ....................1-1
DESCRIPTION ...................................2-1
Left view (TT-R125 / TT-R125E) ... 2-1
Left view
(TT-R125LW / TT-R125LWE) ..... 2-2
Right view
(TT-R125 / TT-R125E) ................ 2-3
Right view
(TT-R125LW / TT-R125LWE) ..... 2-4
Controls and instruments ............. 2-5
INSTRUMENT AND CONTROL
FUNCTIONS .................................3-1
Main switch .................................... 3-1
Handlebar switches ...................... 3-1
Clutch lever ................................... 3-2
Shift pedal ..................................... 3-2
Brake lever .................................... 3-2
Brake pedal ................................... 3-3
Fuel tank cap ................................. 3-3
Fuel ................................................ 3-3
Fuel tank breather hose ............... 3-5
Fuel cock ....................................... 3-5
Starter (choke) knob ..................... 3-6
Kickstarter...................................... 3-6
Seat ................................................ 3-6
Adjusting the front fork
(TT-R125LWE)............................ 3-7
Adjusting the shock absorber
assembly .................................... 3-8
Sidestand....................................... 3-9
Starting circuit cut-off system .... 3-10
FOR YOUR SAFETY
- PRÉ-OPERATION CHECKS ......4-1
Pre-operation checks ................... 4-2
OPERATION AND IMPORTANT
RIDING POINTS ............................5-1
Starting a cold engine .................. 5-1
Starting a warm engine ................ 5-2
Shifting ........................................... 5-2
Engine break-in ............................ 5-3
Parking .......................................... 5-4
PERIODIC MAINTENANCE AND
ADJUSTMENT.............................. 6-1
Periodic maintenance chart for
the emission control system ..... 6-2
General maintenance and
lubrication chart......................... 6-3
Removing and installing panels.. 6-6
Checking the spark plug .............. 6-7
Engine oil ...................................... 6-8
Cleaning the air filter element
and check hoses ..................... 6-10
Cleaning the spark arrester ....... 6-11
Adjusting the carburetor............. 6-12
Adjusting the engine idling
speed........................................ 6-12
Adjusting the throttle cable
free play.................................... 6-13
Valve clearance .......................... 6-14
Tires ............................................. 6-14
Spoke wheels.............................. 6-16
Adjusting the clutch lever
free play.................................... 6-16
Adjusting the brake lever free
play (TT-R125 / TT-R125E) ...... 6-17
Adjusting the brake lever
free play
(TT-R125LW / TT-R125LWE) ... 6-17
Adjusting the brake pedal
position and free play ............. 6-18
Checking the front brake shoes
(TT-R125 / TT-R125E) .............. 6-19
Checking the front brake pads
(TT-R125LW / TT-R125LWE)
and rear brake shoes .............. 6-19
Checking the front brake fluid
level .......................................... 6-20
Changing the brake fluid ........... 6-21
Drive chain slack ........................ 6-21
Cleaning and lubricating the
drive chain ............................... 6-22
Checking and lubricating the
cables ....................................... 6-22
Checking and lubricating the
throttle grip and cable ............. 6-23
Checking and lubricating the
brake and shift pedals ............ 6-23
TABLE OF CONTENTS
Checking and lubricating the
brake and clutch levers
(TT-R125 / TT-R125E) .............. 6-23
Checking and lubricating the
brake and clutch levers
(TT-R125LW / TT-R125LWE) ... 6-24
Checking and lubricating the
sidestand .................................. 6-24
Checking the front fork ............... 6-24
Checking the steering ................ 6-25
Checking the wheel bearings .... 6-25
Battery .......................................... 6-26
Replacing the fuse...................... 6-27
Supporting the motorcycle ......... 6-28
Front wheel .................................. 6-28
To remove the front wheel
(TT-R125 / TT-R125E) .............. 6-28
To install the front wheel
(TT-R125 / TT-R125E) .............. 6-29
To remove the front wheel
(TT-R125LW / TT-R125LWE) ... 6-29
To install the front wheel
(TT-R125LW / TT-R125LWE) ... 6-29
Rear wheel .................................. 6-30
Troubleshooting .......................... 6-31
Troubleshooting chart ................ 6-33
SPECIFICATIONS ..............................8-1
CONSUMER INFORMATION .............9-1
Identification numbers .................. 9-1
Key identification number ........... 9-1
Vehicle identification number ...... 9-1
Model label.................................... 9-1
MOTORCYCLE CARE AND
STORAGE .....................................7-1
Care ............................................... 7-1
Storage .......................................... 7-3
SAFETY INFORMATION
Be a Responsible Owner
EAU41214
As the vehicle’s owner, you are
responsible for the safe and proper
operation of your motorcycle.
Motorcycles are single-track vehicles.
Their safe use and operation are
dependent upon the use of proper riding
techniques as well as the expertise of
the operator. Every operator should know
the following requirements before riding
this motorcycle.
He or she should:
z Obtain thorough instructions from
a competent source on all aspects
of motorcycle operation.
z Observe the warnings and
maintenance requirements in this
Owner’s Manual.
z Obtain qualified training in safe and
proper riding techniques.
z Obtain professional technical
service as indicated in this Owner’s
Manual and/or when made
necessary by mechanical
conditions.
Safe Riding
Perform the pre-operation checks each
time you use the vehicle to make sure
it is in safe operating condition. Failure
to inspect or maintain the vehicle
properly increases the possibility of an
accident or equipment damage. See
page 4-1 for a list of pre-operation
checks.
z This motorcycle is designed for off-
road use only, therefore, it is illegal
to operate it on public streets,
roads, or highways, even a dirt or
gravel one. Off-road use on public
lands may be illegal. Please check
local regulations before riding.
z This motorcycle is designed to
carry the operator only. No
passengers.
z The failure of motorists to detect
and recognize motorcycles in traffic
is the predominating cause of
automobile/motorcycle accidents.
Many accidents have been caused
by an automobile driver who did not
see the motorcycle. Making
yourself conspicuous appears to be
very effective in reducing the
chance of this type of accident.
Therefore:
z Wear a brightly colored jacket.
1-1
z Use extra caution when you are
approaching and passing through
intersections, since intersections
are the most likely places for
motorcycle accidents to occur.
z Ride where other motorists can
see you. Avoid riding in another
motorist’s blind spot.
z Many accidents involve
inexperienced operators.
z Make sure that you are qualified
and that you only lend your
motorcycle to other qualified
operators.
z Know your skills and limits.
Staying within your limits may
help you to avoid an accident.
z We recommend that you
practice riding your motorcycle
until you have become
thoroughly familiar with the
motorcycle and all of its controls.
z Many accidents have been caused
by error of the motorcycle operator.
A typical error made by the operator
is veering wide on a turn due to
excessive speed or undercornering
(insufficient lean angle for the
speed). Never travel faster than
warranted by conditions.
1
SAFETY INFORMATION
z Ride cautiously in unfamiliar areas.
You may encounter hidden
obstacles that could cause an
1
accident.
z The posture of the operator is
important for proper control. The
operator should keep both hands on
the handlebar and both feet on the
operator footrests during operation
to maintain control of the
motorcycle.
z Never ride under the influence of
alcohol or other drugs.
z Be sure the transmission is in
neutral before starting the engine.
Protective apparel
The majority of fatalities from
motorcycle accidents are the result of
head injuries. The use of a safety helmet
is the single most critical factor in the
prevention or reduction of head injuries.
z Always wear an approved helmet.
z Wear a face shield or goggles. Wind
in your unprotected eyes could
contribute to an impairment of
vision that could delay seeing a
hazard.
z The use of a jacket, heavy boots,
trousers, gloves, etc., is effective
in preventing or reducing abrasions
or lacerations.
z Never wear loose-fitting clothes,
otherwise they could catch on the
control levers, footrests, or wheels
and cause injury or an accident.
z Always wear protective clothing
that covers your legs, ankles, and
feet. The engine or exhaust system
become very hot during or after
operation and can cause burns.
Avoid Carbon Monoxide Poisoning
All engine exhaust contains carbon
monoxide, a deadly gas. Breathing
carbon monoxide can cause headaches,
dizziness, drowsiness, nausea,
confusion, and eventually death.
Carbon Monoxide is a colorless,
odorless, tasteless gas which may be
present even if you do not see or smell
any engine exhaust. Deadly levels of
carbon monoxide can collect rapidly and
you can quickly be overcome and unable
to save yourself. Also, deadly levels of
carbon monoxide can linger for hours or
days in enclosed or poorly ventilated
areas. If you experience any symptoms
1-2
of carbon monoxide poisoning, leave the
area immediately, get fresh air, and
SEEK MEDICAL TREATMENT.
z Do not run engine indoors. Even if
you try to ventilate engine exhaust
with fans or open windows and
doors, carbon monoxide can rapidly
reach dangerous levels.
z Do not run engine in poorly
ventilated or partially enclosed
areas such as barns, garages, or
carports.
z Do not run engine outdoors where
engine exhaust can be drawn into
a building through openings such
as windows and doors.
Loading
Adding accessories to your motorcycle
can adversely affect stability and
handling if the weight distribution of the
motorcycle is changed. To avoid the
possibility of an accident, use extreme
caution when adding accessories to
your motorcycle. Use extra care when
riding a motorcycle that has added
accessories. Here are some general
guidelines to follow if adding accessories
to your motorcycle:
SAFETY INFORMATION
Operation of an overloaded vehicle
could cause an accident.
z The weight of the operator must not
exceed 150 kg (331 lb).
z Accessory weight should be kept
as low and close to the motorcycle
as possible. Securely pack your
heaviest items as close to the
center of the vehicle as possible
and make sure to distribute the
weight as evenly as possible on
both sides of the motorcycle to
minimize imbalance or instability.
z Shifting weights can create a
sudden imbalance. Make sure that
accessories are securely attached
to the motorcycle before riding.
Check accessory mounts
frequently.
z Properly adjust the suspension
for your load, and check the
condition and pressure of your
tires.
z Never attach any large or heavy
items to the handlebar, front fork,
or front fender.
Genuine Yamaha Accessories
Choosing accessories for your vehicle
is an important decision. Genuine
Yamaha accessories, which are
available only from a Yamaha dealer,
have been designed, tested, and
approved by Yamaha for use on your
vehicle.
Many companies with no connection to
Yamaha manufacture parts and
accessories or offer other modifications
for Yamaha vehicles. Yamaha is not in a
position to test the products that these
aftermarket companies produce.
Therefore, Yamaha can neither endorse
nor recommend the use of accessories
not sold by Yamaha or modifications not
specifically recommended by Yamaha,
even if sold and installed by a Yamaha
dealer
Aftermarket Parts, Accessories, and
Modifications
While you may find aftermarket products
similar in design and quality to genuine
Yamaha accessories, recognize that
some aftermarket accessories or
modifications are not suitable because
of potential safety hazards to you or
others. Installing aftermarket products
or having other modifications performed
to your vehicle that change any of the
1-3
vehicle’s design or operation
characteristics can put you and others
at greater risk of serious injury or death.
You are responsible for injuries related
to changes in the vehicle.
Keep the following guidelines in mind,
as well as those provided under
“Loading” when mounting accessories.
z Never install accessories that would
impair the performance of your
motorcycle. Carefully inspect the
accessory before using it to make
sure that it does not in any way
reduce ground clearance or
cornering clearance, limit
suspension travel, steering travel
or control operation.
z Accessories fitted to the
handlebar or the front fork area
can create instability due to
improper weight distribution. If
accessories are added to the
handlebar or front fork area, they
must be as lightweight as
possible and should be kept to a
minimum.
z Bulky or large accessories may
seriously affect the stability of the
motorcycle. Wind may attempt to
1
SAFETY INFORMATION
lift the motorcycle, or the
motorcycle may become
unstable in cross winds.
1
z Certain accessories can displace
the operator from his or her normal riding position. This improper
position limits the freedom of
movement of the operator and
may limit control ability,
therefore, such accessories are
not recommended.
z Use caution when adding electrical
accessories. If electrical
accessories exceed the capacity of
the motorcycle’s electrical system,
an electric failure could result,
which could cause a dangerous
loss of lights or engine power.
Aftermarket Tires and Rims
The tires and rims that came with your
motorcycle were designed to match the
performance capabilities and to provide
the best combination of handling,
braking, and comfort. Other tires, rims,
sizes, and combinations may not be
appropriate. Refer to page 6-14 for tire
specifications and more information on
replacing your tires.
1-4
Left view (TT-R125 / TT-R125E)
1. Fuel cock (page 3-5)
2. Drive chain (page 6-21)
3. Shift pedal (page 3-2)
4. Front suspension (page 3-7)
DESCRIPTION
EAU32220
2
2-1
DESCRIPTION
Left view (TT-R125LW / TT-R125LWE)
2
1. Fuel cock (page 3-5)
2. Drive chain (page 6-21)
3. Shift pedal (page 3-2)
4. Front suspension (page 3-7)
2-2
Right view (TT-R125 / TT-R125E)
1. Air filter (page 6-10)
2. Kickstarter (page 3-6)
3. Fuel tank (page 3-3)
4. Engine oil dipstick (page 6-8)
5. Rear brake pedal (page 3-3)
DESCRIPTION
EAU32230
2
2-3
DESCRIPTION
Right view (TT-R125LW / TT-R125LWE)
2
1. Air filter (page 6-10)
2. Kickstarter (page 3-6)
3. Fuel tank (page 3-3)
4. Engine oil dipstick (page 6-8)
5. Rear brake pedal (page 3-3)
2-4
Controls and instruments
1. Clutch lever (page 3-2)
2. Engine stop switch (page 3-1)
3. Main switch (page 3-1)
4. Starter (choke) (page 3-6)
5. Start switch (TT-R125E / TT-R125LWE) (page 3-1)
6. Front brake lever (page 3-2)
7. Throttle grip (page 6-13)
8. Fuel tank cap (page 3-3)
DESCRIPTION
EAU10430
2
2-5
INSTRUMENT AND CONTROL FUNCTIONS
Main switch
3
The main switch controls the ignition
system. The main switch positions are
described below.
ON
All electrical systems are supplied with
power, and the engine can be started.
The key cannot be removed.
OFF
All electrical systems are off. The key
can be removed.
Never turn the key to “OFF” while the
vehicle is moving, otherwise the
electrical systems will be switched off,
which may result in loss of control
or an accident.
EAU40340
EAU10630
EAU45751
EWA10072
EAU12347
Handlebar switches
1. Engine stop switch
EAU12670
“ENGINE STOP” button
Hold this button pushed until the engine
stops in case of an emergency, such
as when the vehicle overturns or when
the throttle cable is stuck.
1. Start switch
EAU12711
Start switch “ ”
Push this switch to crank the engine with
the starter. See page 5-1 for starting
instructions prior to starting the engine.
3-1
INSTRUMENT AND CONTROL FUNCTIONS
EAU31640
Clutch lever
1. Clutch lever
The clutch lever is located at the left
handlebar grip. To disengage the clutch,
pull the lever toward the handlebar grip.
To engage the clutch, release the lever.
The lever should be pulled rapidly and
released slowly for smooth clutch
operation.
The clutch lever is equipped with a clutch
switch, which is part of the starting
circuit cut-off system. (See page 3-10.)
EAU12870
Shift pedal
1. Shift pedal
The shift pedal is located on the left side
of the engine and is used in combination
with the clutch lever when shifting the
gears of the 5-speed constant-mesh
transmission equipped on this
motorcycle.
EAU12890
Brake lever
3
1. Front brake lever
The brake lever is located at the right
handlebar grip. To apply the front brake,
pull the lever toward the handlebar grip.
3-2
INSTRUMENT AND CONTROL FUNCTIONS
Brake pedal
3
1. Rear brake pedal
The brake pedal is on the right side of
the motorcycle. To apply the rear brake,
press down on the brake pedal.
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EAU13182
Fuel tank cap
1. Fuel tank cap
To remove the fuel tank cap, turn it
counterclockwise, and then pull it off.
To install the fuel tank cap, insert it into
the tank opening, and then turn it
clockwise.
EWA11091
Make sure that the fuel tank cap is
properly closed after filling fuel.
Leaking fuel is a fire hazard.
3-3
EAU13212
Fuel
1. Fuel tank filler tube
2. Fuel level
Make sure there is sufficient gasoline
in the tank.
EWA10881
Gasoline and gasoline vapors are
extremely flammable. To avoid fires
and explosions and to reduce the risk
of injury when refueling, follow these
instructions.
1. Before refueling, turn off the engine
and be sure that no one is sitting
on the vehicle. Never refuel while
smoking, or while in the vicinity of
sparks, open flames, or other
sources of ignition such as the
pilot lights of water heaters and
clothes dryers.
INSTRUMENT AND CONTROL FUNCTIONS
2. Do not overfill the fuel tank. Stop
filling when the fuel reaches the
bottom of the filler tube. Because
fuel expands when it heats up,
heat from the engine or the sun can
cause fuel to spill out of the fuel
tank.
3. Wipe up any spilled fuel
immediately.
NOTICE:
Immediately wipe off spilled
fuel with a clean, dry, soft cloth,
since fuel may deteriorate
painted surfaces or plastic
parts. [ECA10071]
4. Be sure to securely close the fuel
tank cap.
EWA15151
Gasoline is poisonous and can cause injury or death. Handle gasoline
with care. Never siphon gasoline by
mouth. If you should swallow some
gasoline or inhale a lot of gasoline
vapor, or get some gasoline in your
eyes, see your doctor immediately. If
gasoline spills on your skin, wash
with soap and water. If gasoline spills
on your clothing, change your
clothes.
For Canada
EAU44781
Recommended fuel:
REGULAR UNLEADED
GASOLINE ONLY
Fuel tank capacity:
6.0 L (1.59 US gal, 1.32 Imp.gal)
Fuel reserve amount:
0.83 L (0.22 US gal, 0.18 Imp.gal)
ECA11400
NOTICE
Use only unleaded gasoline. The use
of leaded gasoline will cause severe
damage to internal engine parts, such
as the valves and piston rings, as well
as to the exhaust system.
Your Yamaha engine has been designed
to use regular unleaded gasoline with a
pump octane number [(R+M)/2] of 86 or
higher, or a research octane number of
91 or higher. If knocking (or pinging)
occurs, use a gasoline of a different
brand or premium unleaded fuel. Use of
unleaded fuel will extend spark plug life
and reduce maintenance cost.
Gasohol
There are two types of gasohol: gasohol
3-4
containing ethanol and that containing
methanol. Gasohol containing ethanol
can be used if ethanol content does not
exceed 10% (E10). Gasohol containing
methanol is not recommended by
Yamaha because it can cause damage
to the fuel system or vehicle
performance problems.
For Europe and Oceania
Recommended fuel:
For Europe: REGULAR
UNLEADED GASOLINE ONLY
For Oceania: UNLEADED
GASOLINE ONLY
Fuel tank capacity:
6.0 L (1.59 US gal, 1.32 Imp.gal)
Fuel reserve amount:
0.83 L (0.22 US gal, 0.18 Imp.gal)
ECA11400
NOTICE
Use only unleaded gasoline. The use
of leaded gasoline will cause severe
damage to internal engine parts, such
as the valves and piston rings, as well
as to the exhaust system.
Your Yamaha engine has been designed
to use regular unleaded gasoline with a
3
INSTRUMENT AND CONTROL FUNCTIONS
research octane number of 91 or higher.
If knocking (or pinging) occurs, use a
gasoline of a different brand or premium
unleaded fuel. Use of unleaded fuel will
extend spark plug life and reduce
maintenance costs.
3
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Fuel tank breather hose
1. Breather hose
Before operating the motorcycle:
z Check the fuel tank breather hose
connection.
z Check the fuel tank breather hose
for cracks or damage, and replace
it if damaged.
z Make sure that the fuel tank
breather hose is not blocked, and
clean it if necessary.
3-5
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Fuel cock
The fuel cock supplies fuel from the tank
to the carburetor while filtering it also.
The fuel cock has three positions:
OFF
With the lever in this position, fuel will
not flow. Always return the lever to this
position when the engine is not running.
ON
With the lever in this position, fuel flows
to the carburetor. Normal riding is done
with the lever in this position.
RES
This indicates reserve. If you run out of
fuel while riding, move the lever to this
position. Fill the tank at the first
opportunity. Be sure to set the lever
back to “ON” after refueling!
INSTRUMENT AND CONTROL FUNCTIONS
EAU13600
Starter (choke) knob “ ”
1. Starter (choke) knob
Starting a cold engine requires a richer
air-fuel mixture, which is supplied by the
starter (choke).
Move the knob in direction (a) to turn on
the starter (choke).
Move the knob in direction (b) to turn off
the starter (choke).
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Kickstarter
1. Kickstarter
If the engine fails to start by pushing
the start switch, try to start it by using
the kickstarter. To start the engine, fold
out the kickstarter lever, move it down
lightly with your foot until the gears
engage, and then push it down smoothly
but forcefully. This model is equipped with
a primary kickstarter, allowing the
engine to be started in any gear if the
clutch is disengaged. However, shifting
the transmission into the neutral position
before starting is recommended.
EAUW0480
Seat
3
1. Bolt
2. Panel C
To remove the seat
1. Remove panel A. (See page 6-6.)
2. Remove the bolt.
3. Remove the bolt that fastens the
seat and panel C.
4. Remove the seat by pulling it off.
3-6
To install the seat
1. Insert the seat into the seat holders
as shown.
INSTRUMENT AND CONTROL FUNCTIONS
2. Place the seat in the original
position, and then tighten the bolts.
3. Install the panel.
TIP
Make sure that the seat is properly
secured before riding.
3
EAU14721
Adjusting the front fork
(TT-R125LWE)
1. Adjusting bolt
EWA10180
Always adjust both fork legs equally,
otherwise poor handling and loss of
stability may result.
This front fork is equipped with spring
preload adjusting bolts.
NOTICE
To avoid damaging the mechanism,
do not attempt to turn beyond the
maximum or minimum settings.
ECA10101
thereby harden the suspension, turn the
adjusting bolt on each fork leg in
direction (a). To decrease the spring
preload and thereby soften the
suspension, turn the adjusting bolt on
each fork leg in direction (b).
Align the appropriate groove on the
adjusting mechanism with the top of the
front fork cap bolt.
Spring preload setting:
Minimum (soft):
4
Standard:
4
Maximum (hard):
1
Adjust the spring preload as follows.
To increase the spring preload and
3-7
INSTRUMENT AND CONTROL FUNCTIONS
EAUW0471
Adjusting the shock
absorber assembly
This shock absorber assembly is
equipped with a spring preload adjusting
nut, a rebound damping force adjusting
dial and a compression damping force
adjusting knob.
ECA10101
NOTICE
To avoid damaging the mechanism,
do not attempt to turn beyond the
maximum or minimum settings.
Spring preload
1. Locknut
2. Adjusting nut
1. Loosen the locknut.
2. To increase the spring preload and
thereby harden the suspension,
turn the adjusting nut in direction
(a). To decrease the spring preload
and thereby soften the suspension,
turn the adjusting nut in direction
(b).
The spring preload setting is
determined by measuring distance
A, shown in the illustration. The
shorter the distance A is, the
higher the spring preload; the
longer distance A is, the lower the
spring preload.
Spring preload:
Minimum (soft):
TT-R125 / TT-R125E / TT-R125LW
Distance A = 175 mm (6.89 in)
TT-R125LWE
Distance A = 167.5 mm (6.59 in)
Standard:
TT-R125 / TT-R125E / TT-R125LW
Distance A = 165 mm (6.50 in)
TT-R125LWE
Distance A = 160.5 mm (6.32 in)
Maximum (hard):
TT-R125 / TT-R125E / TT-R125LW
Distance A = 155 mm (6.10 in)
TT-R125LWE
Distance A = 147.5 mm (5.80 in)
3-8
3. Tighten the locknut to the specified
torque.
NOTICE:
Always tighten
the locknut against the adjusting
nut, and then tighten the locknut
to the specified torque. [ ECA11241]
Tightening torque:
Locknut:
42 Nm (4.2 m.kgf, 30 ft.lbf)
Rebound damping force
(TT-R125LWE)
1. Adjuster
To increase the rebound damping force
and thereby harden the rebound
damping, turn the adjusting dial in
direction (a). To decrease the rebound
damping force and thereby soften the
rebound damping, turn the adjusting dial
in direction (b).
3
INSTRUMENT AND CONTROL FUNCTIONS
Rebound damping setting:
Minimum (soft):
1 clicks in direction (a)*
Standard:
12 clicks in direction (a)*
Maximum (hard):
20 clicks in direction (a)*
* With the adjusting dial fully turned
3
in direction (b)
Compression damping setting:
Minimum (soft):
1 clicks in direction (a)*
Standard:
9 clicks in direction (a)*
Maximum (hard):
12 clicks in direction (a)*
* With the adjusting knob fully
turned in direction (b)
EAU37490
Sidestand
Compression damping force
(TT-R125LWE)
1. Adjusting bolt
To increase the compression damping
force and thereby harden the
compression damping, turn the adjusting
knob in direction (a). To decrease the
compression damping force and thereby
soften the compression damping, turn
the adjusting knob in direction (b).
TIP
To obtain a precise adjustment, it is
advisable to check the actual total
number of clicks or turns of each
damping force adjusting mechanism.
This adjustment range may not exactly
match the specifications listed due to
small differences in production.
3-9
1. Sidestand
The sidestand is located on the left side
of the frame. Raise the sidestand or lower
it with your foot while holding the vehicle
upright.
EWA14190
The vehicle must not be ridden with
the sidestand down, or if the
sidestand cannot be properly moved
up (or does not stay up), otherwise
the sidestand could contact the
ground and distract the operator,
resulting in a possible loss of control.
EAU15391
Starting circuit cut-off
system
The starting circuit cut-off system
(comprising the clutch switch and the
neutral switch) prevents starting when
the transmission is in gear and the
clutch lever is not pulled.
Periodically check the operation of the
starting circuit cut-off system according
to the following procedure.
TIP
This check is most reliable if performed
with a warmed-up engine.
INSTRUMENT AND CONTROL FUNCTIONS
3
3-10
INSTRUMENT AND CONTROL FUNCTIONS
With the engine turned off:
1. Make sure that the engine stop switch is set to “ ”.
2. Turn the key to “ON”.
3. Shift the transmission into the neutral position.
4. Push the start switch.
Does the engine start?
3
5. Turn the engine off.
6. Shift the transmission into gear.
7. Keep the clutch lever pulled.
8. Push the start switch.
Does the engine start?
YES
The system is OK. The motorcycle can be ridden.
NOYES
NO
WARNING
If a malfunction is noted, have a Yamaha
dealer check the system before riding.
The neutral switch may not be working correctly.
The motorcycle should not be ridden until
checked by a Yamaha dealer.
The clutch switch may not be working correctly.
The motorcycle should not be ridden until
checked by a Yamaha dealer.
3-11
FOR YOUR SAFETY - PRE-OPERATION CHECKS
Inspect your vehicle each time you use it to make sure the vehicle is in safe operating condition. Always follow the inspection
EAU15595
and maintenance procedures and schedules described in the Owner’s Manual.
EWA11151
Failure to inspect or maintain the vehicle properly increases the possibility of an accident or equipment damage. Do
not operate the vehicle if you find any problem. If a problem cannot be corrected by the procedures provided in this
manual, have the vehicle inspected by a Yamaha dealer.
Before using this vehicle, check the following points:
4
4-1
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