2004-2009 Honda TRX450R/TRX450ER Service Manual, Page 458Get this manual
BATTERYCHARGING SYSTEM (After '05)
BATTERY (TRX450ER)
REMOVALINSTALLATION
With the ignition switch OFF, remove the two bolts and battery cover
Disconnect the negative (-) cable first, then disconnect the positive (+) cable by removing each terminal boltRemove the two bolts and battery holderRemove the battery from the battery boxConnect the Install the battery in the reverse order of removalpositive cable| ery, coat the terminals with first and then theande