2003 YAMAHA SLIDER 50 steering

2
DESCRIPTION
Left view2145 6
89 10
3
7
1. Speedometer unit (page 3-3)
2. Rear brake lever (page 3-5)
3. Left handlebar switches (page 3-4)
4. Main switch / steering lock (page 3-1)
5. Luggage hook (page 3-8)6. Seat lock (page 3-8)
7. Final transmission oil filler cap (page 6-6)
8. Air filter element (page 6-7)
9. Kickstarter (page 3-8)
10. Front brake pads (page 6-12)
2-1

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
3

3
INSTRUMENT AND CONTROL FUNCTIONS
EAU00029
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
EAU00038
OFF “”
All electrical systems are off. The key
can be removed.
EAU04470
*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
EAU04384
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.

EAU00462
PERIODIC MAINTENANCE AND MINOR REPAIR
Periodic maintenance and lubrication chart ............ 6-2
Checking the spark plug ......................................... 6-5
Final transmission oil .............................................. 6-6
Cleaning the air filter element ................................. 6-7
Adjusting the carburetor .......................................... 6-8
Adjusting the throttle cable free play ....................... 6-8
Tires ........................................................................ 6-9
Cast wheels .......................................................... 6-11
Adjusting the front brake lever free play ............... 6-11
Adjusting the rear brake lever free play ................ 6-11
Checking the front brake pads
and rear brake shoes ............................................ 6-12
Checking the brake fluid level ............................... 6-13
Changing the brake fluid ....................................... 6-14
Checking and lubricating the cables ..................... 6-14
6 Checking and lubricating the throttle grip
and cable .............................................................. 6-15
Lubricating the front and rear brake levers ........... 6-15
Checking and lubricating the centerstand ............. 6-15
Checking the front fork .......................................... 6-16
Checking the steering ........................................... 6-16
Checking the wheel bearings ................................ 6-17
Battery ................................................................... 6-17
Replacing the fuse ................................................ 6-19
Replacing a headlight bulb .................................... 6-20
Replacing a front turn signal light bulb .................. 6-21
Replacing a rear turn signal light bulb or
the tail/brake light bulb .......................................... 6-21
Troubleshooting .................................................... 6-21
Troubleshooting chart ........................................... 6-22

PERIODIC MAINTENANCE AND MINOR REPAIR
6
6-3 •Check tread depth and for damage.
9 * Tires•Replace if necessary.
•Check air pressure.√√√√ √
•Correct if necessary.
10 * Wheel bearings •Check bearing for looseness or damage.√√√√
11 * Steering bearings•Check bearing play and steering for roughness.√√√√√•Lubricate with lithium-soap-based grease.Every 24,000 km
12 * Chassis fasteners•Make sure that all nuts, bolts and screws
√√√√ √
are properly tightened.
13 Centerstand•Check operation.
√√√√ √
•Lubricate.
14 * Front fork •Check operation and for oil leakage.√√√√
15 * Rear shock absorber
•Check operation and shock absorber for oil leakage.√√√√
assembly
16 * Carburetor• Adjust engine idling speed.√√√√√ √
17 * Autolube pump•Check operation.
√√√√
•Bleed if necessary.
18 Final transmission oil•Check vehicle for oil leakage.√√ √•Change.√√√
19 * V-belt •Replace.Every 10,000 km
NO. Item
Check or maintenance job
ODOMETER READING (x 1,000 km)
1ANNUAL
CHECK6121824

PERIODIC MAINTENANCE AND MINOR REPAIR
6
EAU02939
Checking the front fork
The condition and operation of the front
fork must be checked as follows at the
intervals specified in the periodic main-
tenance and lubrication chart.
To check the condition
EW000115
Securely support the scooter so that
there is no danger of it falling over.
Check the inner tubes for scratches,
damage and excessive oil leakage.To check the operation
1. Place the scooter on a level sur-
face and hold it in an upright po-
sition.
2. While applying the front brake,
push down hard on the
handlebars several times to check
if the front fork compresses and
rebounds smoothly.
EC000098
If any damage is found or the front
fork does not operate smoothly,
have a Yamaha dealer check or
repair it.
ZAUM0159
EAU00794
Checking the steering
Worn or loose steering bearings may
cause danger. Therefore, the operation
of the steering must be checked as
follows at the intervals specified in the
periodic maintenance and lubrication
chart.
1. Place a stand under the engine
to raise the front wheel off the
ground.
EW000115
Securely support the scooter so that
there is no danger of it falling over.
6-16

PERIODIC MAINTENANCE AND MINOR REPAIR
62. Hold the lower ends of the front
fork legs and try to move them
forward and backward. If any free
play can be felt, have a Yamaha
dealer check or repair the
steering.
ZAUM0160
EAU01144
Checking the wheel bearings
The front and rear wheel bearings must
be checked at the intervals specified in
the periodic maintenance and
lubrication chart. If there is play in the
wheel hub or if the wheel does not turn
smoothly, have a Yamaha dealer check
the wheel bearings.
32 1ZAUM0162
6-171. Panel A
2. Fuse
3. Battery
EAUM0049*
Battery
A poorly maintained battery will corrode
and discharge quickly. The electrolyte
level, battery lead connections and
breather hose routing should be
checked before each ride and at the
intervals specified in the periodic main-
tenance and lubrication chart.

CONSUMER INFORMATION
9
EAU02944
Identification numbers
Record the key identification number,
vehicle identification number and model
label information in the spaces provided
below for assistance when ordering
spare parts from a Yamaha dealer or
for reference in case the vehicle is
stolen.
1. KEY IDENTIFICATION NUMBER:
2. VEHICLE IDENTIFICATION
NUMBER:
3. MODEL LABEL INFORMATION:1
ZAUM0070
1
ZAUM0165
1. Key identification number 1. Vehicle identification number
EAU01041
Key identification number
The key identification number is
stamped into the key tag.
Record this number in the space
provided and use it for reference when
ordering a new key.
EAU01043
Vehicle identification number
The vehicle identification number is
stamped into the steering head pipe.
Record this number in the space
provided.
NOTE :
The vehicle identification number is
used to identify your scooter and may
be used to register your scooter with
the licensing authority in your area.
9-1