Yamaha TT250 RY 2009 Owner's manual
Read this manual carefully before operating this vehicle.
OWNER’S MANUAL
TT250RY
4PX-28199-2E
Q
Read this manual carefully before operating this vehicle. This manual should stay with this vehicle if it is sold.
EAU46090
INTRODUCTION
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Welcome to the Yamaha world of motorcycling!
As the owner of the TT250RY, you are benefiting from Yamaha’s vast experience and newest technology regarding the design and manufacture of high-quality products, which have earned Yamaha a reputation for dependability.
Please take the time to read this manual thoroughly, so as to enjoy all advantages of your TT250RY. The Owner’s Manual
does not only instruct you in how to operate, inspect and maintain your motorcycle, but also in how to safeguard yourself and
others from trouble and injury.
In addition, the many tips given in this manual will help keep your motorcycle in the best possible condition. If you have any
further questions, do not hesitate to contact your Yamaha dealer.
The Yamaha team wishes you many safe and pleasant rides. So, remember to put safety first!
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.
WARNING
Please read this manual carefully and completely before operating this motorcycle.
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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.
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WARNING
NOTICE
TIP
A WARNING indicates a hazardous situation which, if not avoided, could result in
death or serious injury.
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.
IMPORTANT MANUAL INFORMATION
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TT250RY
OWNER’S MANUAL
©2008 by Yamaha Motor Co., Ltd.
1st edition, April 2008
All rights reserved.
Any reprinting or unauthorized use
without the written permission of
Yamaha Motor Co., Ltd.
is expressly prohibited.
Printed in Japan.
TABLE OF CONTENTS
LOCATION OF IMPORTANT
LABELS
SAFETY INFORMATION
DESCRIPTION
INSTRUMENT AND CONTROL
FUNCTIONS
..............................................1-1
...................2-1
...................................3-1
Left view ...........................................3-1
Right view .........................................3-2
Controls and instruments..................3-3
........................................4-1
Main switch ......................................4-1
Indicator lights .................................4-1
Speedometer unit ............................4-2
Handlebar switches .........................4-2
Clutch lever ......................................4-3
Shift pedal ........................................4-4
Brake lever ......................................4-4
Brake pedal .....................................4-4
Fuel tank cap ...................................4-5
Fuel ..................................................4-5
Fuel tank breather hose ...................4-6
Fuel cock .........................................4-7
Starter (choke) knob “1” .................4-8
Kickstarter ........................................4-8
Steering lock ....................................4-8
Seat .................................................4-9
Helmet holder ..................................4-9
Adjusting the front fork ...................4-10
Adjusting the shock absorber
assembly .................................... 4-11
Sidestand ...................................... 4-13
Ignition circuit cut-off system .........4-13
FOR YOUR SAFETY –
PRE-OPERATION CHECKS
Pre-operation check list ................... 5-2
OPERATION AND IMPORTANT
RIDING POINTS
Starting a cold engine ..................... 6-1
Starting a warm engine ...................6-2
Shifting ............................................ 6-2
Tips for reducing fuel
consumption ................................ 6-3
Engine break-in ............................... 6-3
Parking ............................................ 6-4
PERIODIC MAINTENANCE AND
ADJUSTMENT
Owner’s tool kit ................................ 7-1
Periodic maintenance and lubrication
chart ............................................. 7-2
Removing and installing the cowling
and panels ...................................7-6
Checking the spark plug .................. 7-7
Engine oil and oil filter element .......7-8
Cleaning the air filter element ....... 7-11
Adjusting the carburetor ................ 7-13
.................................. 6-1
.................................... 7-1
.............. 5-1
Adjusting the engine idling
speed ......................................... 7-13
Checking the throttle cable free
play ............................................ 7-14
Valve clearance ............................ 7-14
Tires .............................................. 7-14
Spoke wheels ............................... 7-16
Adjusting the clutch lever free
play ............................................ 7-16
Adjusting the brake lever free
play ............................................ 7-17
Adjusting the rear brake light
switch ......................................... 7-18
Checking the front and rear brake
pads ........................................... 7-18
Checking the brake fluid level ....... 7-19
Changing the brake fluid ............... 7-20
Drive chain slack ........................... 7-20
Cleaning and lubricating the drive
chain .......................................... 7-21
Checking and lubricating the
cables ........................................ 7-22
Checking and lubricating the throttle
grip and cable ............................ 7-22
Checking and lubricating the brake
and clutch levers ........................ 7-23
Checking and lubricating the brake
pedal .......................................... 7-23
Checking and lubricating the
sidestand ................................... 7-23
Checking the front fork .................. 7-24
Checking the steering .................... 7-24
Checking the wheel bearings ........7-25
Battery ...........................................7-25
Replacing the fuse ......................... 7-27
Replacing the headlight bulb .........7-27
Replacing the tail/brake light
bulb ............................................7-28
Replacing a turn signal light
bulb ............................................7-29
Replacing the license plate light
bulb ............................................7-30
Supporting the motorcycle ............. 7-31
Front wheel .................................... 7-31
Rear wheel ....................................7-33
Troubleshooting .............................7-34
Troubleshooting chart .................... 7-35
MOTORCYCLE CARE AND
STORAGE
Matte color caution ..........................8-1
Care .................................................8-1
Storage ............................................8-3
...........................................8-1
TABLE OF CONTENTS
SPECIFICATIONS
CONSUMER INFORMATION
Identification numbers ...................10-1
Motorcycle noise regulation
(for Australia) ..............................10-2
..............................9-1
............10-1
LOCATION OF IMPORTANT LABELS
Read and understand all of the labels on your vehicle. They contain important information for safe and proper operation of
your vehicle. Never remove any labels from your vehicle. If a label becomes difficult to read or comes off, a replacement label
is available from your Yamaha dealer.
1
3
21
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1-1
LOCATION OF IMPORTANT LABELS
1
4AA-22259-40
2
Before you operate this vehicle, read the owner’s manual.
Prima di usare il veicolo, leggete il manuale di istruzioni.
Lire le manuel du propri
Lesen Sie die Bedienungsanleitung bevor Sie dieses Fahrzeug fahren.
Antes de conducir este vehículo, lea el Manual del Propietario.
étaire avant d
’utiliser ce v
éhicule.
5PA-21568-01
3
1
2
3
4
3TT-21668-00
5
6
7
8
9
1-2
SAFETY INFORMATION
Be a Responsible Owner
As the vehicle’s owner, you are responsible for the safe and proper operation
1
of your motorcycle.
Motorcycles are single-track vehicles.
2
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:
●
Obtain thorough instructions from
a competent source on all aspects
of motorcycle operation.
●
Observe the warnings and mainte-
nance requirements in this Own-
er’s Manual.
●
Obtain qualified training in safe
and proper riding techniques.
●
Obtain professional technical ser-
vice as indicated in this Owner’s
Manual and/or when made neces-
sary by mechanical conditions.
Safe Riding
Perform the pre-operation checks each
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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 5-1
for a list of pre-operation checks.
●
This motorcycle is designed to carry the operator and a passenger.
●
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:
●
Wear a brightly colored jacket.
●
Use extra caution when you are
approaching and passing
through intersections, since intersections are the most likely
places for motorcycle accidents
to occur.
●
Ride where other motorists can
see you. Avoid riding in another
2-1
motorist’s blind spot.
●
Many accidents involve inexperienced operators. In fact, many operators who have been involved in
accidents do not even have a current motorcycle license.
●
Make sure that you are qualified
and that you only lend your motorcycle to other qualified operators.
●
Know your skills and limits.
Staying within your limits may
help you to avoid an accident.
●
We recommend that you practice riding your motorcycle
where there is no traffic until you
have become thoroughly familiar with the motorcycle and all of
its controls.
●
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).
●
Always obey the speed limit and
never travel faster than warrant-
SAFETY INFORMATION
ed by road and traffic conditions.
●
Always signal before turning or
changing lanes. Make sure that
other motorists can see you.
●
The posture of the operator and
passenger 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.
●
The passenger should always
hold onto the operator, the seat
strap or grab bar, if equipped,
with both hands and keep both
feet on the passenger footrests.
Never carry a passenger unless
he or she can firmly place both
feet on the passenger footrests.
●
Never ride under the influence of
alcohol or other drugs.
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 preven-
tion or reduction of head injuries.
●
Always wear an approved helmet.
●
Wear a face shield or goggles.
Wind in your unprotected eyes
could contribute to an impairment
of vision that could delay seeing a
hazard.
●
The use of a jacket, heavy boots,
trousers, gloves, etc., is effective in
preventing or reducing abrasions
or lacerations.
●
Never wear loose-fitting clothes,
otherwise they could catch on the
control levers, footrests, or wheels
and cause injury or an accident.
●
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.
●
A passenger should also observe
the above precautions.
Avoid Carbon Monoxide Poisoning
All engine exhaust contains carbon
monoxide, a deadly gas. Breathing carbon monoxide can cause headaches,
dizziness, drowsiness, nausea, confu-
sion, 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 of carbon monoxide poisoning, leave the area immediately, get
fresh air, and SEEK MEDICAL TREATMENT.
●
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.
●
Do not run engine in poorly ventilated or partially enclosed areas
such as barns, garages, or carports.
●
Do not run engine outdoors where
engine exhaust can be drawn into
a building through openings such
as windows and doors.
1
2
2-2
SAFETY INFORMATION
Loading
Adding accessories or cargo to your
motorcycle can adversely affect stability and handling if the weight distribution
1
of the motorcycle is changed. To avoid
the possibility of an accident, use extreme caution when adding cargo or
2
accessories to your motorcycle. Use
extra care when riding a motorcycle
that has added cargo or accessories.
Here, along with the information about
accessories below, are some general
guidelines to follow if loading cargo to
your motorcycle:
The total weight of the operator, passenger, accessories and cargo must
not exceed the maximum load limit.
Operation of an overloaded vehicle
could cause an accident.
Maximum load:
180 kg (397 lb)
When loading within this weight limit,
keep the following in mind:
●
Cargo and accessory weight
should be kept as low and close to
the motorcycle as possible. Se-
curely 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.
●
Shifting weights can create a sudden imbalance. Make sure that accessories and cargo are securely
attached to the motorcycle before
riding. Check accessory mounts
and cargo restraints frequently.
●
Properly adjust the suspension
for your load, and check the condition and pressure of your tires.
●
Never attach any large or heavy
items to the handlebar, front
fork, or front fender. These
items, including such cargo as
sleeping bags, duffel bags, or
tents, can create unstable handling or a slow steering response.
●
This vehicle is not designed to
pull a trailer or to be attached to
a sidecar.
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
2-3
SAFETY INFORMATION
or others. Installing aftermarket products or having other modifications performed to your vehicle that change any
of the 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.
●
Never install accessories or carry
cargo 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, or obscure lights or reflectors.
●
Accessories fitted to the handlebar or the front fork area can
create instability due to improper
weight distribution or aerodynamic changes. 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.
●
Bulky or large accessories may
seriously affect the stability of
the motorcycle due to aerodynamic effects. Wind may attempt to lift the motorcycle, or
the motorcycle may become unstable in cross winds. These accessories may also cause
instability when passing or being
passed by large vehicles.
●
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.
●
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 7-14 for tire
specifications and more information on
replacing your tires.
1
2
2-4
DESCRIPTION
Left view
1
2
3
4
5
6
7
8
1. Headlight (page 7-27)
2. Fuel cock (page 4-7)
9
3. Starter (choke) knob (page 4-8)
4. Air filter element (page 7-11)
5. Owner’s tool kit (page 7-1)
6. Helmet holder (page 4-9)
7. Shift pedal (page 4-4)
8. Front fork damping adjusting screw (page 4-10)
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123456
78
3-1
Right view
DESCRIPTION
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12345
1. Battery (page 7-25)
2. Fuse (page 7-27)
3. Kickstarter (page 4-8)
4. Shock absorber assembly compression damping force adjusting
knob (page 4-11)
5. Main switch (page 4-1)
6. Front fork air valve (page 4-10)
7. Steering lock (page 4-8)
7
6
8910
8. Engine oil filter element (page 7-8)
9. Brake pedal (page 4-4)
10. Shock absorber assembly rebound damping force adjusting dial
(page 4-11)
2
3
4
5
6
7
8
9
3-2
DESCRIPTION
Controls and instruments
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1
2
3
4
5
6
7
8
1. Clutch lever (page 4-3)
2. Left handlebar switches (page 4-2)
9
3. Speedometer unit (page 4-2)
4. Right handlebar switches (page 4-2)
5. Brake lever (page 4-4)
6. Throttle grip (page 7-14)
7. Fuel tank cap (page 4-5)
12
3
7
45
6
3-3
INSTRUMENT AND CONTROL FUNCTIONS
12
3
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Main switch
ON
The main switch controls the ignition
and lighting systems. The various main
switch positions are described below.
ON
All electrical systems are supplied with
power, and the headlight, meter lighting, taillight and license plate light come
on, and the engine can be started. The
key cannot be removed.
OFF
All electrical systems are off. The key
can be removed.
OFF
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EWA10072
WARNING
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.
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Indicator lights
1. Turn signal indicator light “”
2. High beam indicator light “”
3. Neutral indicator light “”
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Turn signal indicator light “ ”
This indicator light flashes when the
turn signal switch is pushed to the left or
right.
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Neutral indicator light “ ”
This indicator light comes on when the
transmission is in the neutral position.
2
3
4
5
6
7
8
9
4-1
INSTRUMENT AND CONTROL FUNCTIONS
1
2
3
High beam indicator light “ ”
This indicator light comes on when the
high beam of the headlight is switched
on.
1
2
3
4
5
6
7
8
9
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Speedometer unit
1
4
1. Speedometer
2. Odometer
3. Tripmeter
4. Reset knob
The speedometer unit is equipped with
a speedometer, an odometer and a
tripmeter. The speedometer shows
riding speed. The odometer shows the
total distance traveled. The tripmeter
shows the distance traveled since it
was last set to zero with the reset knob.
The tripmeter can be used to estimate
the distance that can be traveled with a
full tank of fuel. This information will enable you to plan future fuel stops.
2
3
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Handlebar switches
Left
1. Dimmer switch “ / ”
2. Turn signal switch “ / ”
3. Horn switch “”
4-2
INSTRUMENT AND CONTROL FUNCTIONS
1
Right
1
1. Engine stop switch “ / ”
2. Start switch “START”
2
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Dimmer switch “ / ”
Set this switch to “” for the high
beam and to “” for the low beam.
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Turn signal switch “ / ”
To signal a right-hand turn, push this
switch to “”. To signal a left-hand
turn, push this switch to “”. When re-
leased, the switch returns to the center
position. To cancel the turn signal
lights, push the switch in after it has returned to the center position.
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Horn switch “ ”
Press this switch to sound the horn.
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Engine stop switch “ / ”
Set this switch to “” before starting
the engine. Set this switch to “” to
stop the engine in case of an emergency, such as when the vehicle overturns
or when the throttle cable is stuck.
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Start switch “START”
Push this switch to crank the engine
with the starter. See page 6-1 for starting instructions prior to starting the engine.
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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 ignition circuit cut-off system. (See
page 4-13.)
2
3
4
5
6
7
8
9
4-3
INSTRUMENT AND CONTROL FUNCTIONS
1
Shift pedal
1
1
2
3
4
1. Shift pedal
The shift pedal is located on the left
5
side of the engine and is used in combination with the clutch lever when
6
shifting the gears of the 6-speed constant-mesh transmission equipped on
7
this motorcycle.
8
9
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Brake lever
1
1. Brake lever
The brake lever is located at the right
handlebar grip. To apply the front
brake, pull the lever toward the handlebar grip.
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Brake pedal
1. Brake pedal
The brake pedal is on the right side of
the motorcycle. To apply the rear
brake, press down on the brake pedal.
4-4
INSTRUMENT AND CONTROL FUNCTIONS
1
2
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Fuel tank cap
1
2
1. Fuel tank cap
2. Remove.
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.
WARNING
Make sure that the fuel tank cap is
properly closed after filling fuel.
Leaking fuel is a fire hazard.
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Fuel
Make sure there is sufficient gasoline in
the tank.
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WARNING
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.
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.
1. Fuel tank filler tube
2. Fuel level
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
WARNING
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
2
3
4
5
6
7
8
9
4-5
INSTRUMENT AND CONTROL FUNCTIONS
1
your eyes, see your doctor immediately. If gasoline spills on your skin,
wash with soap and water. If gasoline spills on your clothing, change
1
your clothes.
2
3
4
5
6
Recommended fuel:
UNLEADED GASOLINE ONLY
Fuel tank capacity:
9.5 L (2.51 US gal, 2.09 Imp.gal)
Fuel reserve amount:
2.0 L (0.53 US gal, 0.44 Imp.gal)
NOTICE
Use only unleaded gasoline. The use
of leaded gasoline will cause severe
7
damage to internal engine parts,
such as the valves and piston rings,
8
as well as to the exhaust system.
Your Yamaha engine has been de-
9
signed to use regular unleaded gasoline with 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 un-
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ECA11400
leaded fuel will extend spark plug life
and reduce maintenance costs.
Fuel tank breather hose
1. Fuel tank breather hose
Before operating the motorcycle:
●
Check the fuel tank breather hose
connection.
●
Check the fuel tank breather hose
for cracks or damage, and replace
it if damaged.
●
Make sure that the fuel tank
breather hose is not blocked, and
clean it if necessary.
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4-6
INSTRUMENT AND CONTROL FUNCTIONS
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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
RES
OFF
FUEL
ON
1
1. Arrow mark positioned over “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
RES
OFF
FUEL
ON
ON
1. Arrow mark positioned over “ON”
1
With the lever in this position, fuel flows
to the carburetor. Normal riding is done
with the lever in this position.
RES
RES
RES
OFF
ON
FUEL
1
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!
2
3
4
5
6
7
8
9
1. Arrow mark positioned over “RES”
4-7
INSTRUMENT AND CONTROL FUNCTIONS
1
Starter (choke) knob “ ”
1
(a)
2
3
4
1. Starter (choke) knob “”
Starting a cold engine requires a richer
5
air-fuel mixture, which is supplied by
the starter (choke).
6
Move the knob in direction (a) to turn on
the starter (choke).
7
Move the knob in direction (b) to turn off
the starter (choke).
8
9
(b)
1
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Kickstarter
1
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.
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Steering lock
1. Steering lock
To lock the steering
1. Turn the handlebar all the way to
the left.
2. Open the steering lock cover, and
then insert the key.
3. Turn the key 1/8 turn counterclockwise, push it in, and then turn it 1/8
turn clockwise.
4. Check that the steering is locked,
remove the key, and then close the
lock cover.
To unlock the steering
Reverse the above procedure.
4-8
INSTRUMENT AND CONTROL FUNCTIONS
1
EAU13960
Seat
To remove the seat
Remove the bolts, and then pull the
seat off.
1
1. Bolt
To install the seat
1. Insert the projections on the front
of the seat into the seat holders as
shown.
1
2
1. Projection
2. Seat holder
2. Place the seat in the original position, and then tighten the bolts.
TIP
Make sure that the seat is properly secured before riding.
EAU14282
Helmet holder
1. Helmet holder
To open the helmet holder, insert the
key into the lock, and then turn the key
as shown.
To lock the helmet holder, place it in the
original position, and then remove the
key.
WARNING! Never ride with a
helmet attached to the helmet holder, since the helmet may hit objects,
causing loss of control and possibly
an accident.
[EWA10161]
2
3
4
5
6
7
8
9
4-9
INSTRUMENT AND CONTROL FUNCTIONS
1
Adjusting the front fork
WARNING
Always adjust both fork legs equal-
1
ly, otherwise poor handling and loss
of stability may result.
2
The front fork is equipped with air
valves for adjusting the spring rate and
3
screws for adjusting the damping force.
NOTICE
4
To avoid damaging the front fork oil
seals, do not exceed the maximum
5
air pressure.
6
Spring rate
The total spring rate is adjusted by
7
changing the air pressure as follows.
1. Lift the front wheel off the ground
8
9
according to the procedure on
page 7-31.
TIP
When checking and adjusting the air
pressure, there should be no weight on
the front end of the vehicle.
2. Remove the air valve cap from
EAU14673
EWA10180
ECA10091
each fork leg.
1
2
1. Front fork air valve cap
2. Front fork air valve
3. Check the air pressure in each fork
leg with an air pressure gauge.
TIP
An optional air pressure gauge is available at a Yamaha dealer.
4. To increase the spring rate and
thereby harden the suspension, increase the air pressure with an air
pump. To decrease the spring rate
and thereby soften the suspension, decrease the air pressure by
pushing each valve stem down.
Spring rate:
Minimum (soft):
Air pressure = 0 kPa (0 kgf/cm
0 psi)
Standard:
Air pressure = 0 kPa (0 kgf/cm2,
0 psi)
Maximum (hard):
Air pressure = 40 kPa (0.4 kgf/
cm2, 5.8 psi)
5. Securely install the air valve caps.
Damping force
1. Remove the rubber cap from each
fork leg.
1. Rubber cap
2. To increase the damping force and
thereby harden the damping, turn
2
,
4-10
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