2004-2009 Suzuki LT-Z250 Service Manual, Page 226Get this manual
ELECTRICAL SYSTEM
BATTERY
The MF battery used in this vehicle does not require maintenance (e.g electrolyte level inspection, distilled water replenishment)During normal charging, no hydrogen gas is producedHowever, if the battery is overcharged, hydrogen gas may be producedTherefore, be sure there are no fire or spark sources (e.g short circuit) nearby when charging the batteryBe sure to recharge the battery in well-ventilated and open areaNote that the charging system for the MF battery is different from that of conventional batteryDo not replace the MF battery with conventional battery
CONNECTING THE BATTERY