2003 YAMAHA YZF-R6 Owners Manual

PERIODIC MAINTENANCE AND MINOR REPAIR
6-40
6
EAU04981
Replacing the fuses The main fuse and fuse box 1 are locat-
ed under the rider seat. (See page 3-19
for rider seat removal and installation
procedures.)Fuse box 2 is located under panel B.
(See page 6-7 for panel removal and
installation procedures.)If a fuse is blown, replace it as follows.
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.1. Spare main fuse
2. Main fuse
3. Fuse box 1
4. Electronic fuel injection fuse
5. Turn signal light, taillight, license plate light,
auxiliary light and hazard fuse
6. Spare fuse
1. Fuse box 2
2. Headlight fuse
3. Radiator fan fuse
4. Ignition fuse
5. Signaling system fuse
6. Odometer, clock and immobilizer system fuse
(backup fuse)
7. Spare fuse (× 2)
Specified fuses:
Main fuse: 40 A
Fuse box 1:
Electronic fuel injection
fuse: 15 A
Turn signal light,
taillight, license plate
light, auxiliary light and
hazard fuse: 10 A
Fuse box 2:
Headlight fuse: 20 A
Signaling system fuse: 15 A
Radiator fan fuse: 15 A
Ignition fuse: 15 A
Odometer, clock and
immobilizer system fuse
(backup fuse): 10 A
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PERIODIC MAINTENANCE AND MINOR REPAIR
6-41
6
EC000103
CAUTION:_ Do not use a fuse of a higher amper-
age rating than recommended to
avoid causing extensive damage to
the electrical system and possibly a
fire. _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.
EAU04954
Replacing a headlight bulb This motorcycle is equipped with
quartz bulb headlights. If a headlight
bulb burns out, replace it as follows.
1. Remove panel B (if replacing the
left headlight bulb) or panel A (if
replacing the right headlight bulb).
(See page 6-7 for panel removal
and installation procedures.)
2. Remove the headlight bulb cover
by turning it counterclockwise.3. Disconnect the headlight coupler.1. Headlight bulb cover
1. Headlight coupler
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PERIODIC MAINTENANCE AND MINOR REPAIR
6-42
6 4. Unhook the headlight bulb holder,
and then remove the defective
bulb.
EW000119
WARNING
_ Headlight bulbs get very hot. There-
fore, keep flammable products away
from a lit headlight bulb, and do not
touch the bulb until it has cooled
down. _5. Place a new headlight bulb into
position, and then secure it with
the bulb holder.
EC000104
CAUTION:_ Take care not to damage the follow-
ing parts:

Headlight bulb
Do not touch the glass part of
the headlight bulb to keep it free
from oil, otherwise the transpar-
ency of the glass, the luminosi-
ty of the bulb, and the bulb life
will be adversely affected. Thor-
oughly clean off any dirt and fin-
gerprints on the headlight bulb
using a cloth moistened with al-
cohol or thinner.


Headlight lens
Do not affix any type of tinted
film or stickers to the head-
light lens.
Do not use a headlight bulb of
a wattage higher than speci-
fied.
_
1. Headlight bulb holder
1. Do not touch the glass part of the bulb.
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PERIODIC MAINTENANCE AND MINOR REPAIR
6-43
66. Connect the headlight coupler.
7. Install the headlight bulb cover by
turning it clockwise.
8. Install the panel.
9. Have a Yamaha dealer adjust the
headlight beam if necessary.
EAU04982
Replacing an auxiliary light
bulb This motorcycle is equipped with two
auxiliary lights. If an auxiliary light bulb
burns out, replace it as follows.
1. Remove the auxiliary light bulb
cover by removing the quick fas-
tener.NOTE:_ Remove the quick fastener by pushing
the center pin in with a screwdriver,
then pulling the fastener out. _
2. Remove the socket (together with
the bulb) by pulling it out.
3. Remove the defective bulb by pull-
ing it out.
4. Insert a new bulb into the socket.
5. Install the socket (together with
the bulb) by pushing it in.
6. Install the auxiliary light bulb cover
by installing the quick fastener.
1. Auxiliary light bulb cover
2. Quick fastener
1. Auxiliary light bulb
2. Auxiliary light bulb socket
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PERIODIC MAINTENANCE AND MINOR REPAIR
6-44
6
NOTE:_ To install the quick fastener, push the
center pin out so that it will protrude
from the fastener head, insert the fas-
tener into the auxiliary light bulb cover,
and then push the protruding pin in until
it is flush with the fastener head. _
EAU03730
Tail/brake light This motorcycle is equipped with an
LED type of tail/brake light.
If the tail/brake light does not come on,
have a Yamaha dealer check it.
EAU03497
Replacing a turn signal light
bulb 1. Remove the turn signal light lens
by removing the screw.
2. Remove the defective bulb by
pushing it in and turning it
counterclockwise.
3. Insert a new bulb into the socket,
push it in, and then turn it clock-
wise until it stops.
4. Install the lens by installing the
screw.
ECA00065
CAUTION:@ Do not overtighten the screw, other-
wise the lens may break. @
1. Quick fastener
2. Pin
After removal
Before installation
1. Screw
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PERIODIC MAINTENANCE AND MINOR REPAIR
6-45
6
EAU04574
Replacing the license plate
light bulb 1. Remove the license plate light unit
by removing the screws.2. Remove the socket (together with
the bulb) by pulling it out.
3. Remove the defective bulb by pull-
ing it out.
4. Insert a new bulb into the socket.
5. Install the socket (together with
the bulb) by pushing it in.
6. Install the license plate light unit by
installing the screws.
EAU01579
Supporting the motorcycle Since this model is not equipped with a
centerstand, follow these precautions
when removing the front and rear
wheel or performing other mainte-
nance requiring the motorcycle to
stand upright. Check that the motor-
cycle is in a stable and level position
before starting any maintenance. A
strong wooden box can be placed un-
der the engine for added stability.
To service the front wheel
1. Stabilize the rear of the motorcycle
by using a motorcycle stand or, if
an additional motorcycle stand is
not available, by placing a jack un-
der the frame in front of the rear
wheel.
2. Raise the front wheel off the
ground by using a motorcycle
stand.
1. Screw (× 2)
1. License plate light bulb
2. License plate light unit
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PERIODIC MAINTENANCE AND MINOR REPAIR
6-46
6 To service the rear wheel
Raise the rear wheel off the ground by
using a motorcycle stand or, if a motor-
cycle stand is not available, by placing
a jack either under each side of the
frame in front of the rear wheel or under
each side of the swingarm.
EAU04956
Front wheel To remove the front wheel
EW000122
WARNING
_

It is advisable to have a Yamaha
dealer service the wheel.


Securely support the motor-
cycle so that there is no danger
of it falling over.
_1. Loosen the axle bolt, the wheel
axle pinch bolts, and then the
brake caliper bolts.2. Lift the front wheel off the ground
according to the procedure on
page 6-45.
3. Remove the brake hose holder on
each side by removing the bolt.
4. Remove the brake caliper on each
side by removing the bolts.1. Front wheel axle pinch bolt (× 4)
1. Brake hose holder
2. Brake caliper
3. Axle bolt
4. Bolt (× 3)
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PERIODIC MAINTENANCE AND MINOR REPAIR
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65. Remove the axle bolt, pull the
wheel axle out, and then remove
the wheel.
ECA00046
CAUTION:_ Do not apply the brake after the
brake calipers have been removed,
otherwise the brake pads will be
forced shut. _
EAU05021
To install the front wheel
1. Lift the wheel up between the fork
legs.
2. Insert the wheel axle.
3. Lower the front wheel so that it is
on the ground.
4. Install the brake calipers by install-
ing the bolts, and then tightening
them to the specified torque.NOTE:_ Make sure that there is enough space
between the brake pads before install-
ing the brake calipers onto the brake
discs. _5. Install the brake hose holders by
installing the bolts.
6. Secure the wheel axle by installing
the axle bolt, and then tightening
the wheel axle to the specified
torque.
NOTE:_ While tightening the wheel axle, hold
the axle bolt to keep it from turning. _
1. Wheel axle
Tightening torque:
Brake caliper bolt:
40 Nm (4.0 m·kgf)
Tightening torque:
Wheel axle:
91 Nm (9.1 m·kgf)
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