Read this manual carefully before operating this vehicle.
OWNER’S MANUAL
SX-4 225
54D-F8199-E0
EAU46090
Read this manual carefully before operating this vehicle. This manual should stay with this vehicle if it sold.
EAU10050
INTRODUCTION
EAU10102
Welcome to the Yamaha world of motorcycling!
As the owner of the SCORPIO (54D), 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 SCORPIO (54D). 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.
EWA10031
WARNING
Please read this manual carefully and completely before operating this motorcycle.
IMPORTANT MANUAL INFORMATION
Particularly important information is distinguished in this manual by the following notations:
This is the safety alert simbol. It is used to alert you to potential personal injury
hazards. Obey all safety messages that follow this simbol to avoid possible injury
or death.
EAU10122
EAU10132
WARNING
NOTICE:
TIP:
A WARNING indicates a hazardous situation which, if not avoid, could result
in death or serious injury.
NOTICE indicates special precautions that must be taken to avoid damage to
A
the vehicle or other property.
A TIP provides key information to make procedures easier or clearer.
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
EAU10222
EAU10313
Be a Responsible Owner
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:
● Obtain thorough instructions from
a competent source on all aspects
of motorcycle operation.
● Observe the warnings and mainte-
nance requirements in this Owner’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 necessary by mechanical conditions.
SAFETY INFORMATION
Safe Ridingtersections are the most likely
Perform the pre-operation checks eachplaces for motorcycle accidents
time you use the vehicle to make sure itto occur.
is in safe operating condition. Failure to• Ride where other motorists can
inspect or maintain the vehicle properlysee you. Avoid riding in another
increases the possibility of an accidentmotorist’s blind spot.
or equipment damage. See page 5-1
for a list of pre-operation checks.enced operators. In fact, many op-
● This motorcycle is designed toerators who have been involved in
carry the operator and a passen-accidents do not even have a curger.rent motorcycle license.
● The failure of motorists to detect• Make sure that you are qualified
and recognize motorcycles in traf-and that you only lend your mofic is the predominating cause oftorcycle to other qualified operaautomobile/motorcycle accidents.tors.
Many accidents have been• Know your skills and limits.
caused by an automobile driverStaying within your limits may
who did not see the motorcycle.help you to avoid an accident.
Making yourself conspicuous ap-• We recommend that you pracpears to be very effective in reduc-tice riding your motorcycle
ing the chance of this type ofwhere there is no traffic until you
accident.have become thoroughly familTherefore:iar with the motorcycle and all of
• Wear a brightly colored jacket.its controls.
• Use extra caution when you are
approaching and passingcaused by error of the motorcycle
through intersections, since in-operator. A typical error made by
1-1
● Many accidents involve inexperi-
● Many accidents have been
1
SAFETY INFORMATION
the operator is veering wide on a
● Never ride under the influence oftem become very hot during or af-
turn due to excessive speed or un-alcohol or other drugs.ter operation and can cause
dercornering (insufficient lean an-burns.
1
gle for the speed).
• Always obey the speed limit and
never travel faster than warranted 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
Protective apparel
The majority of fatalities from motorcy-
● A passenger should also observe
the above precautions.
cle accidents are the result of head injuries. The use of a safety helmet is theAvoid Carbon Monoxide Poisoning
single most critical factor in the preven-All engine exhaust contains carbon
tion or reduction of head injuries.monoxide, a deadly gas. Breathing car-
● Always wear an approved helmet.bon monoxide can cause headaches,
● Wear a face shield or goggles.dizziness, drowsiness, nausea, confu-
Wind in your unprotected eyession, and eventually death.
could contribute to an impairmentCarbon Monoxide is a colorless, odorof vision that could delay seeing aless, tasteless gas which may be
hazard.present even if you do not see or smell
● The use of a jacket, heavy boots,any engine exhaust. Deadly levels of
trousers, gloves, etc., is effectivecarbon monoxide can collect rapidly
in preventing or reducing abra-and you can quickly be overcome and
sions or lacerations.unable to save yourself. Also, deadly
● Never wear loose-fitting clothes,levels of carbon monoxide can linger
otherwise they could catch on thefor hours or days in enclosed or poorly
control levers, footrests, or wheelsventilated areas. If you experience any
and cause injury or an accident.symptoms of carbon monoxide poison-
● Always wear protective clothinging, leave the area immediately, get
that covers your legs, ankles, andfresh air, and SEEK MEDICAL TREATfeet. The engine or exhaust sys-MENT.
feet on the passenger footrests.
1-2
SAFETY INFORMATION
● Do not run engine indoors. Even ifguidelines to follow if loading cargo toattached to the motorcycle before
you try to ventilate engine exhaustyour motorcycle:riding. Check accessory mounts
with fans or open windows andThe total weight of the operator,and cargo restraints frequently.
doors, carbon monoxide can rap-passenger, accessories and cargo• Properly adjust the suspension
idly reach dangerous levels.must not exceed the maximum loadfor your load, and check the
● Do not run engine in poorly venti-limit. Operation of an overloaded ve-condition and pressure of your
lated or partially enclosed areashicle could cause an accident.tires.
such as barns, garages, or car-• Never attach any large or heavy
ports.
● Do not run engine outdoors where
engine exhaust can be drawn intoitems, including such cargo as
a building through openings suchsleeping bags, duffel bags, or
as windows and doors.tents, can create unstable han-
Loading
Adding accessories or cargo 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 cargo or
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
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. 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.
● Shifting weights can create a sud-
den imbalance. Make sure that accessories and cargo are securely
items to the handlebar, front
fork, or front fender. These
dling 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.
1
1-3
SAFETY INFORMATION
Many companies with no connection to
Yamaha manufacture parts and accessories or offer other modifications for
1
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 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 aerody-
namic 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 electri-
cal 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.
4. Main switch/steering lock(Page 3-1)9. Fuek tank cap(Page 3-6)
5. Tachometer/Fuel gauge(Page 3-3)
.
2-3
INSTRUMENT AND CONTROL FUNCTIONS
3-
EAU10460
Main switch/steering lock
To lock the steering
EAU1044H
To unlock the steering
3
The main switch/steering lock controls
the ignition and lighting systems, and is
used to lock the steering. The various
positions are described below.
ON
All electrical systems are supplied with
power, and the meter lighting comes
on, and the engine can be started. The
key cannot be removed.
OFF
All electrical systems are off. The key
can be removed.
EAU37441
EAU10660
1. Push.
2. Turn
EAU10700
LOCK
The steering is locked, and all electrical
systems are off. The key can be removed.
1. Turn the handlebars all the way to
the left or right.
2. Push the key in from the “OFF” po-
sition, and then turn it to "LOCK"
while still pushing it.
3. Remove the key.
3-1
1. Push.
2. Turn
Push the key in to the main switch,
and then turn it to "OFF" while still pu-
shing it.
EWA10060
W
ARNING
W
ARNINGNG
WARNING
W
ARNI
Never turn the key to “OFF” or
“LOCK” while the vehicle is moving,
otherwise the electrical systems will
be switched off, which may result in
loss of control or an accident. Make
sure that the vehicle is stopped before turning the key to “OFF” or
“LOCK”.
3
Indicator lights
EAU10981
INSTRUMENT AND CONTROL FUNCTIONS
EAU11080
High beam indicator light “”
This indicator light comes on when the
high beam of the headlight is switched
.
on
Speedometer unit
1
2
EAU11630
1231
1. Turn signal indicator light " "
2. Neutral indicator light "N"
3. High beam indicator light " "
5
&
EAU11040
Turn signal indicator light “ ”
This indicator light flashes when the
turn signal switch is pushed to the left
or right.
Neutral indicator light " "
EAU11060
EAU11080
This indicator light comes on when
the transmission is in the neutral
position.
3-2
4
3
1.Speedometer
2.Odometer
3.Tripmeter
4.Reset knob
The speedometer unit is equipped with
a speedometer, an odometer and trip-
meter. 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.
3
INSTRUMENT AND CONTROL FUNCTIONS
:
1
/
'/
Tachometer
1
3
1.Tachometer
2.Red zone
3.Fuel gauge
The tachometer allows the rider to monitor the engine speed and keep it within the ideal power range.
NOTICE :
Do not operate the engine in the
Tachometer red zone.
Red zone: 10.000 r/min and above.
EAU11880
3
2
ECA10031
Fuel gauge
The fuel gauge indicates the amount of
fuel in the fuel tank. The needle moves
towards “E” (Empty) as the fuel level
decreases. When the needle reaches
When the needle reaches "E", refuel
as soon as possible.
TIP:
Do not allow the fuel tank to empty
itself completely.
EAU12140
Handlebar switches
EAU12347
Left
12 3
5
4
1.Light switch
2.Pass switch “&”
3.Dimmer switch /
4.Turn signal switch
5.Horn switch “HORN”
EAU12590
Light switch " /
Set this switch to “
the auxiliary light, meter lighting and tail-
light. Set the switch to “:” to turn on
the headlight also. Set the switch to
“1” to turn off all the lights.
Pass switch “ "
Press this switch to flash the headlight.
:
'” to turn on
'
/ "
1
EAU12350
3-3
INSTRUMENT AND CONTROL FUNCTIONS
EAU12400
Dimmer switch “/”
Set this switch to f“”or the high
beam and to for“” the low beam.
Turn signal switch “/”
EAU12460
To signal a right-hand turn, push this
switch to .“” To signal a left-hand
turn, push this switch to “”. When released, 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.
Horn switch “HORN”
EAU12500
Press this switch to sound the horn.
Right
1
3
2
1. Engine stop switch " "
2. Start switch " "
Engine stop switch “
Set this switch to “#” before starting
the engine. Set this switch to “$” to
stop the engine in case of an emer-
gency, such as when the motorcycle
overturns or when the throttle cable is
stuck.
Start switch “,”
Push this switch to crank the engine
with the starter.
CAUTION:
NOTICE :
See page 5-1 for starting instruction
prior starting the engine.
#/$
#/$”
EAU12660
EAU12710
ECA10050
Clutch lever
EAU12850
1
3
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.
3-4
INSTRUMENT AND CONTROL FUNCTIONS
1
1
N
2
3
4
5
1
Shift pedal
3
1. Shift pedal
N. Neutral
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.
TIP:
Use your toes or heel to shift up and
your toes to shift down.
EAU12880
Brake lever
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.
3-5
EAU12890
EAU12941
Brake pedal
1
.
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.
INSTRUMENT AND CONTROL FUNCTIONS
Fuel tank cap
EAU13074
>
=
1
1. Fuel tank cap lock cover
a.
Open
b. Unlock
Open the fuel tank cap lock cover,
insert the key into the lock and turn it
1/4 turn clockwise. The lock will be
be released and the fuel tank cap can
be opened.
To close the fuel tank cap
1. Push the fuel tank cap into the po-
sition with the key inserted in the
lock.
2. Turn the key counterclokwise to
the original position, remove it, and then close the lock cover.
TIP:
The fuel tank cap cannot be closed
unless the key is in the lock. In addition,
the key cannot be removed if the cap
cap is not properly closed and locked.
EWA11091
WARNING
Make sure that the fuel tank cap is
properly closed after filling
fuel.
Leaking fuel is a fire hazard.
EAU13212
Fuel
1. Fuel tank filler tube
2. Fuel level
Make sure there is sufficient gasoline
in the tank.
EWA10881
WARNING
W
ARNI
ARNI
ARNI
ARNI
NG
NG
NG
NG
W
W
W
Gasoline and gasoline vapors are
extremely flammable. To avoid fires
and explosions and to reduce the
risk of injury when refueling, follow
these instructions.
3
3-6
INSTRUMENT AND CONTROL FUNCTIONS
1.
Before refueling, turn off the engi-
ne and be sure that no one is sitt-
ing 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
3
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.
3. Wipe up any spilled fuel immediately.
NOTICE: Immediately
off spilled fuel with
soft
cloth, since
fuel may dete-
a clean. dry,
wipe
riorate painted surfaces or plas-
tic parts.
[ECA10071]
4. Be sure to securely close the fuel
tank cap
.
WARNING
WWARNI
ARNINGNG
EWA15151
Gasoline is poisonous and can cau-
se injury or death. Handle gasoline
with care. Never siphon gasoline
by mouth. If you should awallow
some gasoline or inhale a lot of ga-
Recommended fuel:
Reguler unleaded gasoline only
Fuel tank capacity:
Total amount:
13 L
Fuel reserve amount:
3.0 L
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.
EAU13242
ECA11400
soline vapor, or get some gasoline
in your eyes, see your doctor imme-
diately. If gasoline spills on your skin,
wash with soap and water. If gaso-
line spills on your clothing, change
your clothes.
3-7
INSTRUMENT AND CONTROL FUNCTIONS
Fuel cock
EAU13561
OFF: Closed position
RES
OFF
FUEL
ON
The fuel cock supplies fuel from the
tank to carburetor whilw filtering it
also.
The fuel cock has three positions:
OFF
Whit the lever in this position, fuel will
not flow. Always return the lever to
this position when the engine is not
running.
ON: Normal positionRES: Reserve position
RES
RES
OFF
RES
ON
FUEL
OFF
FUEL
ON
ON
ON
With the lever in this position, fuel
flows to the carburetor. Normal riding
is done with the lever is 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!
3
3-8
INSTRUMENT AND CONTROL FUNCTIONS
1
2
1.Kickstarter
2.Footrest
EAU13590
Starter (choke) lever
3
.1 Starter (choke) lever “CHOKE”
1
b
a
Kickstarter
EAU13660
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.
Starting a cold engine requires a richer
air-fuel mixture, which is supplied by
the starter (choke).
Move the lever in direction (a) to turn on
the starter (choke).
Move the lever in direction (b) to turn off
the starter (choke).
To start the engine, fold the right foot-
rest inward, and then fold out the
kickstarter lever. Move it down lightly
with your foot until the gears engage,
and then push it down smoothly but
forcefully. Fold the footrest outward
to it original position.
3-9
Seat
EAU13790
INSTRUMENT AND CONTROL FUNCTIONS
EAU14311
1
2
Helmet holders
a
a. Unlock.
To remove the seat
1. Insert the key into the seat lock, and
then turn it clockwise
2. Pull the seat off.
1. Projection
2.Seat holder
To install the seat
1. Insert the projection on the front
of the seat into the seat holder
as shown.
2. Push the rear of the seat down to
lock it in place.
3. Turn the key counter clockwise
and then remove it.
TIP:
Make sure that the seat is properly
secured before riding.
3-10
1
1. Helmet holder
The helmet holders are located under
the seat.
To secure a helmet to a helmet holder
1. Open the seat. (See page 3-9 for
removal and installation prosedures.)
2.
Attach a helmet to a helmet holder,
and then securely
WARNI
WARNING !
helmet attached to the helmet
holder, since the helmet may
hit objects, causing loss of control
and possibly an accident.
close the seat.
NG
Never ride with a
[EWA10161]
3
INSTRUMENT AND CONTROL FUNCTIONS
To release a helmet to a helmet holder
Open the seat, remove the helmet from
the helmet holder, and then close the
seat.
3
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.
WARNING
WARNING
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.
EAU37490
EWA14190
3-11
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