2001-2006 Honda TRX 300EX Sportrax 300EX Factory Service Manual, Page 284Get this manual
BATTERYCHARGING SYSTEM
BATTERY
REMOVALINSTALLATION
Remove the sealreBr fender (page 2-4)
With the ignilion switch OFFdisconnect the negative ceble first then disconnect the positive (+ )
cableRemove th bolt and battery holderRemove th battery case and batteryInstall the battery, bellary case, battery holder and lighten the bollConnect the positive (+1 cable first, then connect the negative cableAfte connecting the battery cables, coat the terminals with grease
VOLTAGE INSPECTION
Aemovelhe sealrear fend er (page 2-41Measure the battery volt8g8 using available igital multimelerit
commercially
VOLTAGE (20' C68"FJ: Fully charged: 13.013.2 Undet- charged: Below 12.3 V