HYOSUNG 2010 ST7 Service Manual page 202

③ Pouring of battery electrolyte
When insert the nozzles of the electrolyte container into
the battery s electrolyte filler holes, holding the container
firmly so that it does not fall.
Take precaution not to allow any fluid to spill.
CAUTION
The pouring of electrolyte may not be done if the
electrolyte container is pushed slopely.
④ Confirmation of pour
Make sure that air bubbles are coming up each
electrolyte container, and keep this position for more
than about 20 minutes.
CAUTION
If no air bubbles are coming up from a filler port,
tap the bottom two or three times.
ELECTRICAL SYSTEM 7-18
Cap
Air bubble
Seal