Yamaha WR125R 2009, Service Manual

Page: 350 / 372

ELECTRICAL COMPONENTS
8-65
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
→
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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EAS28000
CHECKING THE FUSES
The following procedure applies to all of the fus-
es.
NOTICE
ECA22B1016
To avoid a short circuit, always set the main
switch to “OFF” when checking or replacing
a fuse.
1. Remove:
• Battery cover
Refer to “GENERAL CHASSIS” on page 4-1.
2. Check:
• Fuse
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a. Connect the pocket tester to the fuse and
check the continuity.
TIP
Set the pocket tester selector to “
Ω ×
1”.
b. If the pocket tester indicates “
∞
”, replace the
fuse.
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3. Replace:
• Blown fuse
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a. Set the main switch to “OFF”.
b. Install a new fuse of the correct amperage
rating.
c. Set on the switches to verify if the electrical
circuit is operational.
d. If the fuse immediately blows again, check
the electrical circuit.
WARNING
EWA13310
Never use a fuse with an amperage rating
other than that specified. Improvising or us-
ing a fuse with the wrong amperage rating
may cause extensive damage to the electri-
cal system, cause the lighting and ignition
systems to malfunction and could possibly
cause a fire.
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4. Install:
• Battery cover
Refer to “GENERAL CHASSIS” on page 4-1.
EAS28010
CHECKING AND CHARGING THE BATTERY
WARNING
EWA13290
Batteries generate explosive hydrogen gas
and contain electrolyte which is made of poi-
sonous and highly caustic sulfuric acid.
Therefore, always follow these preventive
measures:
• Wear protective eye gear when handling or
working near batteries.
• Charge batteries in a well-ventilated area.
• Keep batteries away from fire, sparks or
open flames (e.g., welding equipment,
lighted cigarettes).
Pocket tester
90890-03112
Analog pocket tester
YU-03112-C
Pocket tester
90890-03112
Analog pocket tester
YU-03112-C
Item
Amperage
rating
Q’ty
Main 20 A 1
Headlight 15 A 1
Ignition 7.5 A 1
Signaling system 7.5 A 1
Radiator fan motor 5 A 1
Spare 20 A 1
Spare 15 A 1
Spare 7.5 A 1
Spare 5 A 1