1998-2004 Honda Foreman 450 factory service manual, Page 366Get this manual
BATTERY ICHARGING SYSTEM The battery will self-discharge when the vehicle is not in useFor this reasoncharge the battery every wee.ks to prevent sulfation from occurri ng Fi lling new battery with electrolyte will produce some voltage, but in order to achieve its maximum performance always charge the batteryAlso, the battery life is lengthened when it is initi ally charged When checking the charging system, always fo llow the steps in the troubleshooting flow chart (page 17-3)
Battery charging
This model comes with maintenance-free (MF) batteryRemember the following about MF batteries- Use only the electrolyte that comes with the batteryUse all of the electrolyteSeal the battery pro perlyNever open the seals again
CAUTION:
For battery charging, do not exceed the charging current and time specified on the batteryUse of excessive current or charging time may damage the battery