2007-2009 Kawasaki KFX50 service manual, Page 205Get this manual
14BATTERYCHARGING SYSTEMA.CGENERATOR SERVICE INFORMATIONN
GENERAL INSTRUCTIONS The battery electrolyte (sulfuric acid) is poisonous and may seriously damage the skin and eyesAvoid contact with skin, eyes, or clothingIn case of contact, flush with water and get prompt medical attentionThe battery can be charged and discharged repeatedlyIf discharged battery is not used for long time, its service life will be shortenedGenerally, the capacity of battery will decrease after it is used foryearsA capacity-decreased battery will resume its voltage after it is recharged but its voltage decreases suddenly and then increases when load is addedWhen battery is overcharged, some symptoms can be foundIf there is short circuit inside the battery, no voltage is produced on the battery terminalsIf the rectifier wont operate, the voltage will become too high and shorten the battery service lifeIf battery is not used for long time, it will discharge by itself and should be recharged every monthsA new battery filled with electrolyte will generate voltage within certain time and it should be recharged when the capacity is insufficientRecharging new battery will prolong its service lifeInspect the charging system according to the sequence specified in the TroubleshootingDo not disconnect and soon reconnect the power of any electrical equipment because the electronic parts in the regulatorrectifier will be damagedTurn off the ignition switch before operationIt is not necessary to check the MF battery electrolyte or fill with distilled waterCheck the load of the whole charging systemDo not quick charge the batteryQuick charging should only be done in an emergencyRemove the battery from the vehicle for chargingWhen replacing the battery, do not use traditional batteryWhen charging, check the voltage with voltmeterSPECIFICATIONS Item Capacity Voltage Fully charged (20C) Undercharged Charging current Charging time Capacity Charging Standard 12 Ah 13.1 12.3 STD: 0.4 Quick: 4.0 STD:10 hr Quick: 30 min 70 (500 rpm) 14.5 0.5 V