Page 46 of 100
1600 km (1000 mi) and beyond
The vehicle can now be operated
normally.
ECA10310
Keep the engine speed out of
the tachometer red zone.
If any engine trouble should
occur during the engine break-
in period, immediately have a
Yamaha dealer check the vehi-
cle.
EAU17213
Parking
When parking, stop the engine, and
then remove the key from the main
switch.
EWA10311
Since the engine and exhaust
system can become very hot,
park in a place where pedes-
trians or children are not likely
to touch them and be burned.
Do not park on a slope or on
soft ground, otherwise the
vehicle may overturn, increa-
sing the risk of a fuel leak and
fire.
Do not park near grass or other
flammable materials which
might catch fire.
WARNING
NOTICE
OPERATION AND IMPORTANT RIDING POINTS
5-4
5
Page 76 of 100

EWA10760
Electrolyte is poisonous and
dangerous since it contains
sulfuric acid, which causes
severe burns. Avoid any con-
tact with skin, eyes or clothing
and always shield your eyes
when working near batteries.
In case of contact, administer
the following FIRST AID.
•EXTERNAL: Flush with plenty
of water.
•INTERNAL: Drink large quan-
tities of water or milk and
immediately call a physician.
•EYES: Flush with water for 15
minutes and seek prompt
medical attention.
•Batteries produce explosive
hydrogen gas. Therefore,
keep sparks, flames, cigaret-
tes, etc., away from the bat-
tery and provide sufficient
ventilation when charging it
in an enclosed space.
KEEP THIS AND ALL BATTE-
RIES OUT OF THE REACH OF
CHILDREN.
To charge the battery:
Have a Yamaha dealer charge the
battery as soon as possible if it seems
to have discharged. Keep in mind that
the battery tends to discharge more
quickly if the vehicle is equipped with
optional electrical accessories.
ECA16521
To charge a VRLA (Valve Regulated
Lead Acid) battery, a special (cons-
tant-voltage) battery charger is
required. Using a conventional bat-
tery charger will damage the bat-
tery.
To store the battery:
1. If the vehicle will not be used for
more than one month, remove
the battery, fully charge it, and
then place it in a cool, dry place.
NOTICE: When removing the
battery, be sure the key is tur-
ned to “OFF”, then disconnect
the negative lead before dis-
connecting the positive lead.
[ECA16302]
2. If the battery will be stored for
more than two months, check it
at least once a month and fully
charge it if necessary.
3. Fully charge the battery before
installation. NOTICE: When ins-
talling the battery, be sure the
key is turned to “OFF”, then
connect the positive lead befo-
re connecting the negative
lead.
[ECA16840]
4. After installation, make sure that
the battery leads are properly
connected to the battery termi-
nals.
ECA16530
Always keep the battery charged.
Storing a discharged battery can
cause permanent battery damage.
NOTICE
NOTICE
WARNING
PERIODIC MAINTENANCE AND ADJUSTMENT
6-30
6
Page 77 of 100

EAUS1930
Replacing the fuses
To replace the fuses (XT660Z):
The main fuse and fuse box 1 (for
individual circuits) are located under
the seat. (See page 3-16).
1. Main fuse
2. Spare main fuse1. Fuse box 1
2. Parking lighting fuse
3. Signaling system fuse
4. Headlight fuse
5. Ignition fuse
6. ECU fuse
7. Radiator fan fuse
8. Backup fuse
9. Spare fuseTo replace the fuses (XT660ZA):
The main fuse and fuse box 1 (for
ABS model only),which are in a diffe-
rent and hard-to-reach location, must
be replaced by a Yamaha dealer.
Fuse box 2 (for ABS model only) and
fuse box 3 (for individual circuits) are
located under the seat. (See page
3-16).
To access fuse box 2, pull it upward
and then open it.
1. Fuse box 2
2. ABS control unit fuse
3. Spare fuse
4. Fuse box 3
5. Parking lighting fuse
6. Signaling system fuse
7. Headlight fuse
8. Ignition fuse
9. ECU fuse
10. Radiator fan fuse
11. Backup fuse
12. Spare fuse
1. Turn the key to “OFF” and turn off
the electrical circuit in question.
2. Remove the blown fuse, and then
install a new fuse of the specified
amperage. WARNING! Do not
use a fuse of a higher ampera-
ge rating than recommended
to avoid causing extensive
damage to the electrical sys-
tem and possibly a fire.
[EWA15131]
PERIODIC MAINTENANCE AND ADJUSTMENT
6-31
6
Page 78 of 100

3. Turn the key to “ON” and turn on
the electrical circuit in question to
check if the device operates.
4. If the fuse immediately blows
again, have a Yamaha dealer
check the electrical system.
EAUB1581
Replacing a headlight bulb
This model is equipped with quartz
bulb headlights. If a headlight bulb
burns out, replace it as follows.
ECA10650
Take care not to damage the follo-
wing parts:
Headlight bulb
Do not touch the glass part of
the headlight bulb to keep it
free from oil, otherwise the
transparency of the glass, the
luminosity of the bulb, and the
bulb life will be adversely affec-
ted. Thoroughly clean off any
dirt and fingerprints on the
headlight bulb using a cloth
moistened with alcohol or thin-
ner.
Headlight lens
Do not affix any type of tinted
film or stickers to the headlight
lens.
Do not use a headlight bulb of a
wattage higher than specified.
1. Headlight bulb cover
1. Remove the headlight bulb cover,
and then disconnect the head-
light coupler.
1. Headlight coupler
2. Headlight bulb holder
3. Headlight bulb
NOTICE
Specified fuses:
Main fuse:
30.0 A
Parking lighting fuse:
10.0 A
Signaling system fuse:
10.0 A
Headlight fuse:
20.0 A
Ignition fuse:
10.0 A
Fuel injection system fuse:
10.0 A
Radiator fan fuse:
7.5 A
Backup fuse:
10.0 A
ABS motor fuse (for ABS model):
30.0 A
ABS solenoid fuse (for ABS
model):
20.0 A
ABS control unit fuse (for ABS
model):
5.0 A
PERIODIC MAINTENANCE AND ADJUSTMENT
6-32
6
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