Yamaha WR450FB 2012, Owner'S Service Manual

Page: 369 / 392

ELECTRICAL COMPONENTS
9-65
Checking the condition of the bulb sockets
The following procedure applies to all of the
bulb sockets.
1. Check:
• Bulb socket (for continuity)
(with the pocket tester)
No continuity
o
Replace.
TIP
Check each bulb socket for continuity in the
same manner as described in the bulb section;
however, note the following.
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a. Install a good bulb into the bulb socket.
b. Connect the pocket tester probes to the re-
spective leads of the bulb socket.
c. Check the bulb socket for continuity. If any of
the readings indicate no continuity, replace
the bulb socket.
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EAS1DX3229
REPLACING THE HEADLIGHT BULB
EWA13320
WARNING
Since the headlight bulb gets extremely hot,
keep flammable products and your hands
away from the bulb until it has cooled down.
1. Remove:
• Headlight unit bolt “1”
TIP
After you have removed the headlight unit
bolts, lift and remove the headlight unit from
front fender grommet.
2. Remove:
• Headlight coupler “1”
• Bulb cover “2”
3. Remove:
• Headlight bulb “1”
4. Install:
• Headlight bulb
Fasten the new headlight bulb with the
headlight bulb holder.
ECA13690
NOTICE
Avoid touching the glass part of the head-
light bulb to keep it free from oil, otherwise
the transparency of the glass, the life of the
bulb and the luminous flux will be adversely
affected. If the headlight bulb gets soiled,
thoroughly clean it with a cloth moistened
with alcohol or lacquer thinner.
5. Install:
• Bulb cover
• Headlight coupler
6. Install:
• Headlight unit
EAS1DX3230
CHECKING THE FUSE
The following procedure applies to all of the
fuses.
ECA13680
NOTICE
To avoid a short circuit, always set the main
switch to “OFF” when checking or replac-
ing a fuse.
Pocket tester
90890-03112
Analog pocket tester
YU-03112-C
1 1
Headlight unit bolt
7 Nm (0.7 m·kgf, 5.1 ft·lbf)
1
2
1
New
T
R
.
.