2001-2005 Honda TRX250EX Sportrax TRX250EX Factory Service Manual, Page 264Get this manual
BATTERYCHARGING SYSTEM
BATTERY
REMOVALINSTALLATION
Remove the seat (page 2-2),
Remove the bolls and the battery holderWith the ignition switch disconnect the negative cable first, then disconnect the positive (+) cable by removing each terminal boltRemove the batteryInstall the battery in the reverse order of removalNOTE: Connect the positive (+) cable first, then connect
the negative cableAfter connecting the battery cables, coat the terminals with grease