2008-2010 Kawasaki KFX450R Factory Service Manual, Page 423Get this manual
ELECTRICAL SYSTEM 16-23 Battery
Charging Condition Inspection
Battery charging condition can be checked by measuring battery terminal voltageRemove the battery (see Battery Removal)
CAUTION
Be sure to disconnect the negative) lead first
Measure the battery terminal voltageNOTE
Measure with digital voltmeter [A] which can be read to one decimal place voltageIf the reading is below the specified, refreshing charge is requiredBattery Terminal Voltage Standard: 12.8 or more
Terminal Voltage (V) [A] Battery Charge Rate () [B] Good [C] Refresh charge is required [D]