KYMCO Sento 50 Owner's Manual page 36

(4) BATTERY
This model adopts the battery which needs no refilling
of distilled water.
When cleaning the terminal terminals, remove the
screws attaching the battery cover on the floor board and
then open the battery cover.
When battery terminals are corroded, take out the
battery for cleaning.
After cleaning, apply a thin coat of grease or Vaseline to
battery terminals and then install the battery.
※CAUTION:
Never open the closed-type battery electrolyte cap.
If the motorcycle will not be used for a long time, the
battery will discharge electricity by itself. Remove the
battery and put it in a cool place after it is fully charged
to prevent electricity leakage.
If the motorcycle will not be used for a long time,
remove the negative (-) terminal.
Do not smoke or allow flames or sparks near the battery
while removing and installing it.
Turn off the ignition switch before removal or
installation. The negative (-) terminal shall be removed
first and the positive (+) terminal shall be installed first
Tighten the loose terminal nuts securely.
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