Page 18 of 396
Lubricating the brake levers and
brake pedal ...................................... 8-87
Wheel removal ................................... 8-89
Wheel installation ............................... 8-91
Battery ................................................ 8-93
Battery maintenance .......................... 8-97
Fuse replacement............................... 8-99
Replacing a headlight bulb ............... 8-103
Headlight beam adjustment.............. 8-107
Tail/brake light bulb replacement ..... 8-107
Troubleshooting................................ 8-109
Troubleshooting chart....................... 8-111
CLEANING AND STORAGE .................. 9-1
A. Cleaning ........................................... 9-1
B. Storage ............................................ 9-7
SPECIFICATIONS ................................ 10-1
CONVERSION TABLE .......................... 11-1
91011U5UH60.book Page 3 Wednesday, October 8, 2003 9:05 AM
Page 78 of 396
4-13 1. Light switch “//OFF”
2. Engine stop switch “/”
3. Start switch “”
4. Horn switch “”
1. Contacteur d’éclairage “//OFF”
2. Coupe-circuit du moteur “/”
3. Contacteur du démarreur “”
4. Contacteur de l’avertisseur “”
1. Interruptor de luces “//OFF”
2. Interruptor de paro del motor “/”
3. Interruptor de arranque “”
4. Interruptor de la bocina “”
EBU00053
Handlebar switches
EBU12510
Light switch “/ /OFF”
Set the switch to “” to turn on the low beams,
the taillight and the meter lighting.
Set the switch to “” to turn on the high beams,
the taillight and the meter lighting.
Set the switch to “OFF” to turn off all the lights.CAUTION:_ Do not use the headlights with the engine
turned off for more than thirty minutes. The
battery may discharge to the point that the
starter motor will not operate properly. If this
should happen, remove the battery and re-
charge it. _
U5UH60.book Page 13 Wednesday, October 8, 2003 9:05 AM
Page 146 of 396

6-7 a. Starter (choke)
1. Fully open
2. Half open
3. Closed
a. Starter (enrichisseur)
1. Complètement ouvert
2. Mi-ouvert
3. Fermé
a. Arrancador (choke)
1. Abre completamente
2. Semiabierto
3. Cerrado
NOTE:_
If the engine fails to start, release the start
switch, and then push the start switch again.
Pause a few seconds before the next at-
tempt. Each cranking should be as short as
possible to preserve battery energy. Do not
crank the engine more than 10 seconds on
each attempt.
If the battery is discharged, pull the recoil
starter to start the engine.
_7. If the engine is started with the starter (choke)
in position
1, the starter (choke) should be
returned to position
2 to warm up the en-
gine. If the engine is started with the starter
(choke) in position
2, keep the starter
(choke) in this position to warm up the en-
gine.
8. Continue warming up the engine until it idles
smoothly and return the starter (choke) to po-
sition
3 before riding.CAUTION:_ See the “Engine break-in” section prior to op-
erating the engine for the first time. _
U5UH60.book Page 7 Wednesday, October 8, 2003 9:05 AM
Page 342 of 396
8-93
EBU00381
Battery
This machine is equipped with a sealed-type bat-
tery. Therefore it is not necessary to check the
electrolyte or add distilled water in the battery. If
the battery seems to have discharged, consult a
Yamaha dealer.CAUTION:
Do not try to remove the sealing caps of the
battery cells. You may damage the battery.
U5UH60.book Page 93 Wednesday, October 8, 2003 9:05 AM
Page 344 of 396
8-95
WARNING
Battery electrolyte is poisonous and danger-
ous, causing severe burns, etc. It contains sul-
furic acid. Avoid contact with skin, eyes or
clothing.
Antidote:
EXTERNAL: Flush with water.
lNTERNAL: Drink large quantities of water
or milk. Follow with milk of magnesia, beat-
en egg or vegetable oil. Call a physician
immediately.
EYES: Flush with water for 15 minutes and
get prompt medical attention.
Batteries produce explosive gases. Keep
sparks, flame, cigarettes or other sources of
ignition away. Ventilate when charging or us-
ing in an enclosed space. Always shield your
eyes when working near batteries.
KEEP OUT OF REACH OF CHILDREN.
U5UH60.book Page 95 Wednesday, October 8, 2003 9:05 AM
Page 346 of 396
8-97
EBU00385
Battery maintenance
1. When the machine is not used for a month or
longer, remove the battery and store it in a
cool, dark place. Completely recharge the
battery before reinstallation.CAUTION:
A special battery charger (constant voltage/
ampere or constant voltage) is required for re-
charging a sealed-type battery. Using a con-
ventional battery charger may shorten the
battery life.2. Always make sure the connections are cor-
rect when putting the battery back in the ma-
chine.
U5UH60.book Page 97 Wednesday, October 8, 2003 9:05 AM
Page 360 of 396

8-111
EBU04400Troubleshooting chart1. Fuel
Check if there is fuel
in the fuel tank.There is fuel.Turn the fuel cock
lever to “OFF”.No fuel.Fuel cock is
clogged.
Clean the
fuel cock. Some fuel.Turn the fuel cock
lever to “RES”.Restart the engine.
No fuel.Supply fuel.
2. Compression
Use the electric
starter to see if
there is compression.There is compression.
Compression normal.
No compression.Ask a Yamaha dealer to
inspect.
3. Ignition
Remove the
spark plug and
check the electrodes.WetWipe clean with dry cloth.
DryAttach spark plug cap and
ground to chassis.Use the
electric starter.Spark is good.Ignition system is
normal.
Spark is weak.
Adjust the spark plug gap
or replace the spark plug. No spark.
Ask a Yamaha dealer to
inspect. 4. Battery
Use the electric starter.Engine turns over
quickly.Battery is good.
Engine turns over
slowly.Check the battery lead connections,
and charge the battery if necessary.Check the
fuel flow.
Turn the fuel cock
lever to “ON”.
Remove the fuel hose
from the fuel cock.
U5UH60.book Page 111 Wednesday, October 8, 2003 9:05 AM
Page 372 of 396
9-9
5. Tie a plastic bag over the exhaust pipe outlet
to prevent moisture from entering.
6. If storing in a humid or salt-air atmosphere,
coat all exposed metal surfaces with a light
film of oil. Do not apply oil to any rubber parts
or the seat cover.
7. Remove the battery and charge it. Store it in
a dry place and recharge it once a month. Do
not store the battery in an excessively warm
or cold place (less than 0°C or more than
30°C).NOTE:Make any necessary repairs before storing the
machine.
U5UH60.book Page 9 Wednesday, October 8, 2003 9:05 AM