Honda Pioneer SXS500M 2019 Owner's Manual page 183

Battery
negative (-) terminal lead
positive (+) terminal lead
battery
rubber band
Installation
Reinstall in the reverse order of removal.
Be sure to connect the positive (+) terminal first, then the negative (-)
terminal.
Make sure the clock is set to the proper time after the battery is
reconnected (page 25).
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Servicing Your Honda