Polaris MSX 110 Owner's Manual For Maintenance And Safety page 93

MAINTENANCE AND LUBRICATION
Battery
WARNING
Improperly connecting or disconnecting battery
cables can result in an explosion and cause
serious injury or death. When removing the
battery, always disconnect the negative (black)
cable first. When reinstalling the battery, always
connect the negative (black) cable last.
90
https://www.boat-manuals.com/
Battery Removal
1. Release the battery by
loosening the straps (1).
2. Remove the battery
vent tube from the
battery.
3. Disconnect the black
(negative) battery
cable first.
4. Disconnect the red
(positive) battery
cable last.
5. Lift the battery out of the watercraft, being careful
not to tip it sideways and spill electrolyte.
CAUTION
If electrolyte spills, immediately wash it off with a
solution of one tablespoon baking soda and one
cup water to prevent damage to the vehicle.
1