Checking And Charging The Battery - Yamaha YZ 2018 Series Owner's Service Manual

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a. Connect the digital circuit tester to the fuse
and check the continuity.
TIP
Set the digital circuit tester to the "" range.
Digital circuit tester (CD732)
90890-03243
Model 88 Multimeter with
tachometer
YU-A1927
b. If the digital circuit tester indicates "O.L", re-
place the fuse.
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3. Replace:
• Fuse
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a. Turn the engine off.
b. Install a new fuse of the correct amperage
rating.
c. Start the engine to verify if the electrical cir-
cuit is operational.
d. If the fuse immediately blows again, check
the electrical circuit.
Fuses
Main
Spare
Radiator fan motor
EWA
WARNING
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:
• Seat
• Side cover (left/right)
Refer to "GENERAL CHASSIS" on page 4-
1.
Amper-
Q'ty
age rating
15 A 1
15 A 1
5 A 1
8-61
ELECTRICAL COMPONENTS
EASB29B350

CHECKING AND CHARGING THE BATTERY

EWA
WARNING
Batteries generate explosive hydrogen gas
and contain electrolyte which is made of
poisonous 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).
• DO NOT SMOKE when charging or han-
dling batteries.
• KEEP BATTERIES AND ELECTROLYTE
OUT OF REACH OF CHILDREN.
• Avoid bodily contact with electrolyte as it
can cause severe burns or permanent eye
injury.
FIRST AID IN CASE OF BODILY CONTACT:
EXTERNAL
• Skin — Wash with water.
• Eyes — Flush with water for 15 minutes
and get immediate medical attention.
INTERNAL
• Drink large quantities of water or milk fol-
lowed with milk of magnesia, beaten egg
or vegetable oil. Get immediate medical at-
tention.
ECA
NOTICE
• This is a VRLA (Valve Regulated Lead Ac-
id) battery. Never remove the sealing caps
because the balance between cells will not
be maintained and battery performance
will deteriorate.
• Charging time, charging amperage and
charging voltage for a VRLA (Valve Regu-
lated Lead Acid) battery are different from
those of conventional batteries. The VRLA
(Valve Regulated Lead Acid) battery
should be charged according to the appro-
priate charging method. If the battery is
overcharged, the electrolyte level will drop
considerably. Therefore, take special care
when charging the battery.