2003 YAMAHA MAJESTY 250 check engine

6-33
PERIODIC MAINTENANCE AND MINOR REPAIR
6
EAU00794
Checking the steeringSteering, checkingWorn or loose steering bearings may
cause danger. Therefore, the opera-
tion of the steering must be checked
as follows at the intervals specified in
the periodic maintenance and lubrica-
tion chart.
1. Place a stand under the engine
to raise the front wheel off the
ground.
EW000115
w
Securely support the scooter so
that there is no danger of it falling
over.
EAU01144
Checking the wheel bearingsWheel bearings, checkingThe 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.
2. 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.
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6-43
PERIODIC MAINTENANCE AND MINOR REPAIR
6
EAU01581
Troubleshooting chartsTroubleshooting chartsStarting problems or poor engine performanceEW000125
w
Keep away open flames and do not smoke while checking or working on the fuel system.
Check the fuel level in
the fuel tank.
1. FuelThere is enough fuel.
There is no fuel.Check the compression.
Supply fuel.
The engine does not start.
Check the compression.
Operate the electric starter.
2. CompressionThere is compression.
There is no compression.Check the ignition.
Have a Yamaha dealer
check the vehicle.
Remove the spark plug
and check the electrodes.
3. IgnitionWipe off with a dry cloth and correct the
spark plug gap, or replace the spark plug.
Have a Yamaha dealer check the vehicle.
The engine does not start.
Have a Yamaha dealer
check the vehicle.
The engine does not start.
Check the battery.
Operate the electric starter.
4. BatteryThe engine turns over
quickly.
The engine turns over
slowly.The battery is good.
Check the battery lead connections,
and charge the battery if necessary.
Dry
WetOpen the throttle halfway and operate
the electric starter.
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6-44
PERIODIC MAINTENANCE AND MINOR REPAIR
6 Engine overheating
EW000070
w
8 8
Do not remove the radiator cap when the engine and radiator are hot. Scalding hot fluid and steam may be
blown out under pressure, which could cause serious injury. Be sure to wait until the engine has cooled.
8 8
After removing the radiator cap retaining bolt, place a thick rag, like a towel, over the radiator cap, and then
slowly rotate the cap counterclockwise to the detent to allow any residual pressure to escape. When the
hissing sound has stopped, press down on the cap while turning it counterclockwise, and then remove the
cap.
NOTE:
If coolant is not available, tap water can be temporarily used instead, provided that it is changed to the recommended
coolant as soon as possible.
Wait until the
engine has cooled.Check the coolant level in the
reservoir and radiator.
The coolant level
is OK.
The coolant level is low.
Check the cooling system
for leakage.
Have a Yamaha dealer checkand repair the cooling system.
Add coolant. (See NOTE.)
Start the engine. If the engine overheats again, have a
Yamaha dealer check and repair the cooling system.
There is
leakage.
There is
no leakage.
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INDEX
D
Display, multi-function ............................3-5
E
Engine break-in ......................................5-4
Engine oil ..............................................6-14
F
Final transmission oil ............................6-18
Front and rear brake lever free play,
adjusting ...........................................6-27
Front and rear brake pads, checking ....6-28
Front fork, checking ..............................6-32
Fuel ......................................................3-16
Fuel consumption, tips for reducing .......5-4
Fuel gauge .............................................3-5
Fuel tank cap ........................................3-15
Fuses, replacing ...................................6-36
H
Handlebar switches ..............................3-10
Dimmer switch ..................................3-10
Engine stop switch ............................3-11
Horn switch .......................................3-10
Pass switch .......................................3-10
Start switch .......................................3-11
Turn signal switch .............................3-10
Headlight bulb, replacing ......................6-37I
Identification numbers ............................9-1
Ignition circuit cut-off system ................3-22
Indicator and warning lights ....................3-2
ABS warning light ................................3-2
High beam indicator light .....................3-3
Oil change indicator light .....................3-3
Turn signal indicator lights ...................3-2
K
Key identification number .......................9-1
L
License plate light bulb, replacing ........6-41
M
Main switch/steering lock .......................3-1
Model label .............................................9-2
P
Parking ...................................................5-5
Part locations ..........................................2-1
Periodic maintenance and lubrication
chart .....................................................6-3
Pre-operation check list ..........................4-1
R
Rider seat .............................................3-18
Rider seat, adjusting .............................3-18A
ABS ......................................................3-13
Acceleration and deceleration ................5-3
Air filter and V-belt case air filter
elements, cleaning ............................6-21
Air flow louver .......................................6-23
Anti-theft alarm (optional) .....................3-10
B
Battery ..................................................6-34
Battery cover removal ..........................6-34
Brake fluid level, checking ....................6-29
Brake fluid, changing ............................6-30
Brake lever, front ..................................3-11
Brake lever, rear ...................................3-12
Brake levers, lubricating .......................6-31
Braking ...................................................5-3
C
Cables, checking and lubricating ..........6-30
Care ........................................................7-1
Catalytic converter ................................3-17
Centerstand and sidestand, checking
and lubricating ..................................6-31
Conversion table ....................................8-5
Coolant .................................................6-19
Coolant temperature gauge ....................3-5
Cowlings and panel, removing and
installing ..............................................6-6
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S
Safe-riding points ...................................1-2
Shock absorber assemblies,
adjusting ............................................3-21
Sidestand .............................................3-22
Spark plug, checking ............................6-12
Specifications .........................................8-1
Speedometer ..........................................3-4
Starting off ..............................................5-2
Starting the engine .................................5-1
Steering, checking ................................6-33
Storage ...................................................7-4
Storage compartments .........................3-19
T
Tachometer ............................................3-4
Tail/brake light bulb, replacing ..............6-40
Throttle cable free play, adjusting ........6-23
Throttle grip and cable, checking and
lubricating ..........................................6-31
Tires .....................................................6-24
Tool kit ....................................................6-1
Troubleshooting ....................................6-42
Troubleshooting charts .........................6-43
Turn signal light bulb (front),
replacing ............................................6-39
Turn signal light bulb (rear),
replacing ............................................6-40
V
Valve clearance, adjusting ...................6-23
Vehicle identification number .................9-1W
Wheel bearings, checking ....................6-33
Wheels .................................................6-26
INDEX
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