Yamaha WR250F(W), Owner'S Service Manual

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INSP
ADJ
ELECTRICAL
Charging method using a constant voltage charger
Measure the open-circuit
voltage prior to charging.
Connect a charger and
ammeter to the battery
and start charging.
NO YES
Is the amperage higher
than the standard charg-
ing amperage written on
the battery?
Charge the battery until the charging
voltage reaches 15 V.
Leave the battery unused for more than 30
minutes before measuring its open-circuit
voltage.
12.8 V
→
Charging is complete.
12.0 ~ 12.7 V
→
Recharging is required.
Under 12.0 V
→
Replace the battery.
This type of battery charger cannot
charge an MF battery. A variable
voltage charger is recommended.
Leave the battery unused for
more than 30 minutes before
measuring its open-circuit voltage.
NOTE:
Set the charging time to a maxi-
mum of 20 hours.
NOTE:
Constant amperage chargers
are not suitable for charging
MF batteries.
CAUTION:
Charger
Ammeter
Voltmeter