Congratulations on your purchase of the Yamaha YJ50R. This model is the result of 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 scooter. If you have
any questions concerning the operation or maintenance of your scooter, please consult a Yamaha dealer.
IMPORTANT MANUAL INFORMATION
Particularly important information is distinguished in this manual by the following notations:
The Safety Alert Symbol means ATTENTION! BECOME ALERT! YOUR SAFETY IS
INVOLVED!
WARNING
CAUTION:
Failure to follow WARNING instructions could result in severe injury or death to the
scooter operator, a bystander, or a person inspecting or repairing the scooter.
A CAUTION indicates special precautions that must be taken to avoid damage to
the scooter.
EAU35820
NOTE:
A NOTE provides key information to make procedures easier or clearer.
NOTE:
●
This manual should be considered a permanent part of this scooter and should remain with it even if the scooter is subsequently sold.
●
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 scooter and
this manual. If you have any questions concerning this manual, please consult your Yamaha dealer.
EWA12580
WARNING
PLEASE READ THIS MANUAL AND THE “YOU AND YOUR MOTORCYCLE: RIDING TIPS” BOOKLET CAREFULLY
AND COMPLETELY BEFORE OPERATING THIS SCOOTER. DO NOT ATTEMPT TO OPERATE THIS SCOOTER UNTIL YOU HAVE ATTAINED ADEQUATE KNOWLEDGE OF ITS CONTROLS AND OPERATING FEATURES AND UNTIL
YOU HAVE BEEN TRAINED IN SAFE AND PROPER RIDING TECHNIQUES. REGULAR INSPECTIONS AND CAREFUL MAINTENANCE, ALONG WITH GOOD RIDING SKILLS, WILL ENSURE THAT YOU SAFELY ENJOY THE CAPABILITIES AND THE RELIABILITY OF THIS SCOOTER.
SCOOTERS 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
SCOOTER.
HE OR SHE SHOULD:
●
OBTAIN THOROUGH INSTRUCTIONS FROM A COMPETENT
SOURCE ON ALL ASPECTS OF
SCOOTER OPERATION.
●
OBSERVE THE WARNINGS
AND MAINTENANCE REQUIREMENTS IN THE OWNER’S MANUAL.
●
OBTAIN QUALIFIED TRAINING
IN SAFE AND PROPER RIDING
TECHNIQUES.
●
OBTAIN PROFESSIONAL TECHNICAL SERVICE AS INDICATED
BY THE OWNER’S MANUAL
AND/OR WHEN MADE NECES-
SARY BY MECHANICAL CONDITIONS.
Safe riding
●
Always make pre-operation
checks. Careful checks may help
prevent an accident.
●
This scooter is designed to carry
the operator only. No passengers.
●
The failure of motorists to detect
and recognize scooters in traffic is
the predominating cause of automobile/scooter accidents. Many
accidents have been caused by an
automobile driver who did not see
the scooter. 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 approaching and passing through
intersections, since intersections are the most likely places
for scooter accidents to occur.
●
Ride where other motorists can
see you. Avoid riding in another
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 driver’s license.
●
Make sure that you are qualified
and that you only lend your
scooter 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 scooter where
there is no traffic until you have
become thoroughly familiar with
the scooter and all of its controls.
●
Many accidents have been caused
by error of the scooter operator. A
typical error made by the operator
is veering wide on a turn due to
EXCESSIVE SPEED or undercornering (insufficient lean angle for
1
1-1
SAFETY INFORMATION
the speed).
●
Always obey the speed limit and
never travel faster than warranted by road and traffic conditions.
1
●
Always signal before turning or
changing lanes. Make sure that
other motorists can see you.
●
The posture of the operator is important for proper control. The operator should keep both hands on
the handlebar and both feet on the
footboard during operation to
maintain control of the scooter.
●
Never ride under the influence of
alcohol or other drugs.
●
This scooter is designed for
on-road use only. It is not suitable
for off-road use.
Protective apparel
The majority of fatalities from scooter
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.
●
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, substantial
shoes, 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 or wheels and cause
injury or an accident.
●
Never touch the engine or exhaust
system during or after operation.
They become very hot and can
cause burns. Always wear protective clothing that covers your legs,
ankles, and feet.
Modifications
Modifications made to this scooter not
approved by Yamaha, or the removal of
original equipment, may render the
scooter unsafe for use and may cause
severe personal injury. Modifications
may also make your scooter illegal to
use.
Loading and accessories
Adding accessories or cargo to your
scooter can adversely affect stability
and handling if the weight distribution of
the scooter is changed. To avoid the
possibility of an accident, use extreme
caution when adding cargo or accessories to your scooter. Use extra care
when riding a scooter that has added
cargo or accessories. Here are some
general guidelines to follow if loading
cargo or adding accessories to your
scooter:
Loading
The total weight of the operator, accessories and cargo must not exceed the
maximum load limit of 75 kg (165 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 scooter as possible. Make sure
to distribute the weight as evenly
as possible on both sides of the
scooter to minimize imbalance or
instability.
1-2
●
Shifting weights can create a sudden imbalance. Make sure that accessories and cargo are securely
attached to the scooter before
riding. Check accessory mounts
and cargo restraints frequently.
●
Never attach any large or heavy
items to the handlebar, front fork,
or front fender. Such items can
create unstable handling or a slow
steering response.
Accessories
Genuine Yamaha accessories have
been specifically designed for use on
this scooter. Since Yamaha cannot test
all other accessories that may be available, you must personally be responsible for the proper selection, installation
and use of non-Yamaha accessories.
Use extreme caution when selecting
and installing any accessories.
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 perfor-
mance of your scooter. 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 scooter due to aerodynamic
effects. Wind may attempt to lift
the scooter, or the scooter may
become unstable in cross
winds. These accessories may
also cause instability when
passing or being passed by
SAFETY INFORMATION
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
scooter’s electrical system an
electric failure could result, which
could cause a dangerous loss of
lights or engine power.
Gasoline and exhaust gas
●
GASOLINE IS HIGHLY FLAMMABLE:
●
Always turn the engine off when
refueling.
●
Take care not to spill any gasoline on the engine or exhaust
system when refueling.
●
Never refuel while smoking or in
the vicinity of an open flame.
1
1-3
SAFETY INFORMATION
●
Never start the engine or let it run
for any length of time in a closed
area. The exhaust fumes are poisonous and may cause loss of
1
consciousness and death within a
short time. Always operate your
scooter in an area that has adequate ventilation.
●
Always turn the engine off before
●
If you should swallow any gasoline, inhale a lot of gasoline vapor,
or allow gasoline to get in your
eyes, see your doctor immediately. If any gasoline spills on your
skin or clothing, immediately wash
the affected area with soap and
water and change your clothes.
Further safe-riding points
●
Make sure to signal clearly when
making turns.
EAU10350
leaving the scooter unattended
and remove the key from the main
switch. When parking the scooter,
note the following:
●
The engine and exhaust system
may be hot, therefore, park the
scooter in a place where pedestrians or children are not likely to
touch these hot areas.
●
Do not park the scooter on a
slope or soft ground, otherwise it
may fall over.
●
Do not park the scooter near a
flammable source (e.g., a kerosene heater, or near an open
flame), otherwise it could catch
fire.
●
Braking can be extremely difficult
on a wet road. Avoid hard braking,
because the scooter could slide.
Apply the brakes slowly when
stopping on a wet surface.
1-4
●
Slow down as you approach a cor-
ner or turn. Once you have com-
pleted a turn, accelerate slowly.
●
Be careful when passing parked
cars. A driver might not see you
and open a door in your path.
●
Railroad crossings, streetcar rails,
iron plates on road construction
sites, and manhole covers be-
come extremely slippery when
wet. Slow down and cross them
with caution. Keep the scooter up-
right, otherwise it could slide out
from under you.
●
The brake lining could get wet
when you wash the scooter. After
washing the scooter, check the
brakes before riding.
●
Always wear a helmet, gloves,
trousers (tapered around the cuff
and ankle so they do not flap), and
a bright colored jacket.
●
Do not carry too much luggage on
the scooter. An overloaded scoot-
er is unstable. Use a strong cord to
secure any luggage to the carriers.
SAFETY INFORMATION
A loose load will affect the stability
of the scooter and could divert
your attention from the road. (See
page 1-1.)
1
1-5
SAFETY INFORMATION
Location of important labels
Please read the following important labels carefully before operating this vehicle.
1
EAU10381
5
2
3
4
1
1-6
SAFETY INFORMATION
1
BEFORE YOU OPERATE THIS VEHICLE, READ
THE OWNER’S MANUAL AND ALL LABELS.
NEVER CARRY A PASSENGER. you increase your
risk of losing control if you carry a passenger.
ALWAYS WEAR AN APPROVED MOTORCYCLE
HELMET, eye protection, and protective clothing.
2
LOAD LIMIT
WARNING
5 kg {11 lbs}
3LD-24877-A0
3
Improper loading can cause loss of control.
Read owner’s manual for proper loading.
WARNING
4
WARNING
NEVER sit on carrier.
CARRIER LOAD LIMIT.
{ }
7 lbs
3 k g
5LY-24875-00
3JJ-20446-A1
3SL-2118K-A0
5
Cold tire normal pressure should be set as
follows.
FRONT :
150 kPa,{1.50 kgf/cm2}, 22 psi
:REAR
175 kPa,{1.75 kgf/cm2}, 25 psi
1
5LY-21668-A0
1-7
DESCRIPTION
Left view
1
2
3
4
5
6
7
8
1. Front wheel
2. Front turn signal light
3. Rear turn signal light
9
4. Rear wheel
5. Kickstarter (page 3-8)
6. Air filter sponge material (page 6-8)
7. Battery (page 6-14)
123
67
45
EAU10410
2-1
Right view
DESCRIPTION
EAU10420
1
1. Tail/brake light
2. Carrier (page 3-10)
3. 2-stroke engine oil tank cap cover (page 3-7)
4. Seat (page 3-8)
5. Headlight
6. Spark plug (page 6-5)
7. Centerstand
8. Muffler
3
87
6
542
2
3
4
5
6
7
8
9
2-2
DESCRIPTION
Controls and instruments
EAU10430
1
2
3
4
5
6
7
8
1. Rear brake lever (page 3-5)
2. Left handlebar switches (page 3-3)
3. Fuel gauge (page 3-3)
9
4. Speedometer unit (page 3-3)
5. Main switch/steering lock (page 3-1)
6. Right handlebar switches (page 3-3)
7. Front brake lever (page 3-4)
8. Throttle grip (page 6-10)
3
56
4
7
8
1
2
2-3
INSTRUMENT AND CONTROL FUNCTIONS
1
2
EAU10460
Main switch/steering lock
OFF
ON
LOCK
The main switch/steering lock controls
the ignition and lighting systems, and is
used to lock the steering. The various
positions are described below.
EAU10610
ON
All electrical circuits are supplied with
power, the taillight and meter lighting
come on, and the engine can be started. The key cannot be removed.
NOTE:
The headlight comes on as soon as the
engine is started.
EAU10660
OFF
All electrical systems are off. The key
can be removed.
EAU10670
The 2-stroke engine oil level warning
light should come on. (See page 3-2.)
EAU10680
LOCK
The steering is locked, and all electrical
systems are off. The key can be removed.
To lock the steering
OFF(PUSH)
LOCK
Turn the handlebars all the way to the
left.
1. Push the key in from the “OFF” po-
sition, and then turn it to “LOCK”
while still pushing it.
2. Remove the key.
To unlock the steering
1. Push.
2. Turn.
Push the key in, and then turn it to
“OFF” while still pushing it.
EWA10060
WARNING
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
2
3
4
5
6
7
8
9
3-1
INSTRUMENT AND CONTROL FUNCTIONS
1
2
3
4
5
6
7
8
9
“LOCK”.
EAU11001
Indicator and warning lights
123
1. 2-stroke engine oil level warning light
“”
2. Turn signal indicator light “”
3. High beam indicator light “”
EAU11020
Turn signal indicator light “”
This indicator light flashes when the
turn signal switch is pushed to the left or
right.
EAU11080
High beam indicator light “”
This indicator light comes on when the
high beam of the headlight is switched
on.
EAU32440
2-stroke engine oil level warning
light “”
The warning light comes on when the
key is in the “” position or when the
engine oil level in the 2-stroke engine
oil tank is low during operation. If the
warning light comes on during operation, stop immediately and fill the oil
tank with YAMALUBE 2 or an equivalent 2-stroke engine oil. The warning
light should go off after the 2-stroke engine oil tank has been refilled.
NOTE:
If the 2-stroke engine oil level warning
light does not come on when the key is
in the “ON” position or does not go off
after the 2-stroke engine oil tank has
been refilled, have a Yamaha dealer
check the electrical circuit.
ECA12720
CAUTION:
Do not operate the vehicle until you
know that the 2-stroke engine oil level is sufficient.
3-2
INSTRUMENT AND CONTROL FUNCTIONS
1
2
3
EAU11630
Speedometer unit
2
1
1. Tripmeter reset knob
2. Speedometer
3. Odometer
4. Tripmeter
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.
3
4
EAU12140
Fuel gauge
E
1
1. 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
“E”, refuel as soon as possible.
NOTE:
Do not allow the fuel tank to empty itself
completely.
F
3-3
Handlebar switches
Left
1. Dimmer switch “/”
2. Turn signal switch “/”
3. Horn switch “”
EAU12343
2
3
4
5
6
7
8
9
INSTRUMENT AND CONTROL FUNCTIONS
1
Right
1
1
2
3
1. Engine stop switch “/”
4
2. Start switch “”
5
Dimmer switch “/”
Set this switch to “” for the high
6
beam and to “” for the low beam.
7
Turn signal switch “/”
To signal a right-hand turn, push this
8
switch to “”. To signal a left-hand
turn, push this switch to “”. When re-
9
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.
2
EAU12400
EAU12460
EAU12500
Horn switch “”
Press this switch to sound the horn.
EAU12660
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.
EAU12710
Start switch “”
Push this switch to crank the engine
with the starter.
ECA10050
CAUTION:
See page 5-1 for starting instructions prior to starting the engine.
EAU12900
Front brake lever
1. Front brake lever
The front brake lever is located on the
right handlebar grip. To apply the front
brake, pull this lever toward the handlebar grip.
3-4
INSTRUMENT AND CONTROL FUNCTIONS
1
EAU12950
Rear brake lever
1
1. Rear brake lever
The rear brake lever is located on the
left handlebar grip. To apply the rear
brake, pull this lever toward the handlebar grip.
EAU32482
Fuel tank cap
2
1
1. Fuel tank cap lock cover
2. Unlock.
To remove the fuel tank cap
Slide the lock cover open, insert the key
into the lock, and then turn it 1/4 turn
clockwise. The lock will be released
and the fuel tank cap can be removed.
3-5
To install the fuel tank cap
1. Match marks
1. Insert the fuel tank cap into the
tank opening with the key inserted
in the lock and with the marks on
the cap and tank aligned.
2. Turn the key counterclockwise to
the original position, remove it, and
then close the lock cover.
NOTE:
The fuel tank cap cannot be installed
unless the key is in the lock. In addition,
the key cannot be removed if the cap is
not properly installed and locked.
EWA10130
WARNING
Make sure that the fuel tank cap is
2
3
4
5
6
7
8
9
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