2003 YAMAHA SLIDER 50 light

EAU00027
INSTRUMENT AND CONTROL FUNCTIONS
Main switch / steering lock .................................................................. 3-1
Indicator and warning lights ................................................................ 3-2
Speedometer unit ................................................................................ 3-3
Fuel gauge .......................................................................................... 3-3
Handlebar switches ............................................................................. 3-4
Front brake lever ................................................................................. 3-4
Rear brake lever ................................................................................. 3-5
Fuel and 2-stroke engine oil tank caps ............................................... 3-5
Fuel ..................................................................................................... 3-6
2-stroke engine oil ............................................................................... 3-7
Catalytic converter .............................................................................. 3-7
Starter (choke) lever ........................................................................... 3-7
Kickstarter ........................................................................................... 3-8
Seat ..................................................................................................... 3-8
Luggage hook ..................................................................................... 3-8
Anti-theft device housing ..................................................................... 3-9
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3
INSTRUMENT AND CONTROL FUNCTIONS
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Main switch/steering 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.
P
U
S
H
ZAUM0332
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OFF “”
All electrical systems are off. The key
can be removed.
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*The 2-stroke engine oil level warning
light should come on. See page 3-2 for
an explanation of the engine oil level
warning light.
EAUM0074
LOCK“”
The steering is locked, and all electrical
systems are off. The key can be
removed.
To lock the steering
1. Turn the handlebars all the way
to the left.
2. Push the key in from the “
” po-
sition, release it, and then turn it
to “
”.
3. Remove the key.
To unlock the steering
Insert the key and turn it to “
”.
EW000016
Never turn the key to “” or “”.
while the scooter is moving,
otherwise the electrical systems will
be switched off, which may result in
loss of control or an accident. Make
sure that the scooter is stopped
before turning the key to “
” or
“”.
NOTE :
Remove the key from the main switch
when the scooter will be left
unattended.
3-1
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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.

INSTRUMENT AND CONTROL FUNCTIONS
31
23
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Indicator and warning lights
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Turn signal indicator light “”
This indicator light flashes when the
turn signal switch is pushed to the left
or right.
1. Turn signal indicator light “”
2. High beam indicator light “
”
3. Oil level warning light “”
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High beam indicator light “”
This indicator light comes on when the
high beam of the headlight is switched
on.
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Oil level warning light “”
This warning light comes on when the
key is in the “
*
” position or when the
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 equivalent 2-stroke
engine oil of either JASO grade "FC"
or ISO grades "EG-C" or "EG-D". The
warning light should go off after the 2-
stroke engine oil tank has been refilled.
NOTE :
If the warning light does not come on
when the key is in the “
*
” position or
does not go off after the 2-stroke engine
oil tank has been refilled, have a
Yamaha dealer check the electrical cir-
cuit.
3-2
EC000000
Do not operate the scooter until you
know that the engine oil level is
sufficient.

INSTRUMENT AND CONTROL FUNCTIONS
312
3ZAUM01421ZAUM0473
1
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1. Horn switch “ ”
2. Turn signal switch “
”
3. Dimmer switch “,”1. Start switch “
” 1. Front brake lever
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Handlebar switches
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Turn signal switch “”
To signal a right-hand turn, push this
switch to the right. To signal a left-hand
turn, push this switch to the left. When
released, the switch returns to the
center position. To cancel the turn si-
gnal 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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Dimmer switch “,”
Set this switch to “
” for the high beam
and to “
” for the low beam.
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Start switch “”
Push this switch while applying the front
or rear brake to crank the engine with
the starter.
EC000005
See page 5-1 for starting instruc-
tions prior to starting the engine.
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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
3
1
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1. Seat
1
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1. Kick starter
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Kickstarter
To start the engine, push the kickstarter
down lightly with your foot until the
gears engage, and then push it down
smoothly but forcefully.
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Seat
To open the seat
1. Insert the key in the lock, and then
turn it as shown.
2. Fold the seat up.
To close the seat
1. Fold the seat down, and then
push it down to lock it in place.
2. Remove the key.
NOTE :
Make sure that the seat is properly
secured before riding.
3-8
1
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1. Luggage hook
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Luggage hookEWAT0002
•Do not exceed the load limit of
3.0 kg for the luggage hook.
•Do not exceed the maximum
load of 184 kg for the vehicle.

4
PRE-OPERATION CHECKS
ITEM CHECKS PAGE
NOTE :
Pre-operation checks should be made each time the scooter is used. Such an inspection can be accomplished in a very
short time; and the added safety it assures is more than worth the time involved.
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If any item in the Pre-operation check list is not working properly, have it inspected and repaired before operating
the scooter.
4-2 • Check for damage.
Wheels and Tires• Check tire condition and tread depth.
6-9 — 6-11
• Check air pressure.
• Correct if necessary.
Brake levers• Make sure that operation is smooth.
3-4 — 3-5
• Lubricate lever pivoting points if necessary.
Centerstand• Make sure that operation is smooth.
6-15
• Lubricate pivot if necessary.
Chassis-fasteners• Make sure that all nuts, bolts and screws are properly tightened.
—
• Tighten if necessary.
Instruments, lights• Check operation.
3-1 — 3-4, 6-20 — 6-21
signals and switches• Correct if necessary.
Battery• Check fluid level.
6-17
• Fill with distilled water if necessary.

OPERATION AND IMPORTANT RIDING POINTS
5
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EW000129
•Become thoroughly familiar
with all operating controls and
their functions before riding.
Consult a Yamaha dealer
regarding any control or
function that you do not
thoroughly understand.
•Never start the engine or
operate it in a closed area for
any length of time. Exhaust fu-
mes are poisonous, and
inhaling them can cause loss of
consciousness and death
within a short time. Always
make sure that there is
adequate ventilation.
•For safety, always start the
engine with the centerstand
down.
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Starting the engine
1. Turn the key to “
*
”, then when
the oil level warning light comes
on, turn it to “
”.
EC000045
If the oil level warning light does not
come on, have a Yamaha dealer
check the electrical circuit.
2. Turn the starter (choke) on and
completely close the throttle. (See
page 3-7 for starter (choke)
operation.)3. Start the engine by pushing the
start switch or by pushing the
kickstarter lever down, while
applying the front or rear brake.
NOTE :
If the engine fails to start by pushing
the start switch, release the switch, wait
a few seconds, and then try again. Each
starting attempt should be as short as
possible to preserve the battery. Do not
crank the engine more than 5 seconds
on any one attempt. If the engine does
not start with the starter motor, try using
the kickstarter.
4. After starting the engine, move the
starter (choke) knob/lever back
halfway.
5-1

OPERATION AND IMPORTANT RIDING POINTS
5
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Tips for reducing fuel
consumption
Fuel consumption depends largely on
your riding style. Consider the following
tips to reduce fuel consumption:
•Thoroughly warm up the engine.
•Avoid high engine speeds during
acceleration.
•Avoid high engine speeds with no
load on the engine.
•Turn the engine off instead of
letting it idle for an extended
length of time (e.g., in traffic jams,
at traffic lights or at railroad
crossings).
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Engine break-in
There is never a more important period
in the life of your engine than the period
between 0 and 1,000 km. For this
reason, you should read the following
material carefully.
Since the engine is brand new, do not
put an excessive load on it for the first
1,000 km. The various parts in the
engine wear and polish themselves to
the correct operating clearances.
During this period, prolonged full-
throttle operation or any condition that
might result in engine overheating must
be avoided.
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0 - 150 km
Avoid operation above 1/3 throttle. Stop
the engine and let it cool for 5 to 10
minutes after every hour of operation.
Vary the speed of the scooter from time
to time. Do not operate it at one set
throttle position.150 - 500 km
Avoid prolonged operation above 1/2
throttle.
500 - 1,000 km
Avoid cruising speeds in excess of 3/4
throttle.
ECAT0001*
After 1,000 km of operation, be sure
to replace the final transmission oil.
1,000 km and beyond
Avoid prolonged full throttle operation.
Vary speeds occasionally.
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If any engine trouble should occur
during the engine break-in period,
immediately have a Yamaha dealer
check the vehicle.
5-4