Bombardier SeaDoo 2000 factory shop manual volume 2, Page 233Get this manual
Section 09 ELECTRICAL SYSTEM Subsection 03 (CHARGING SYSTEM)
Disconnect and remove battery from watercraft as explained in RemovalCheck electrolyte level in each cell, add distilled water up to upper level lineCAUTION: Do not overfillThe battery must always be stored in fully charged conditionIf required, charge until specific gravity of 1.265 is obtainedCAUTION: Battery electrolyte temperature must not exceed 50C (122F)The casing should not feel hotClean battery terminals and cable connections using wire brushApply light coat of dielectric grease on terminalsClean battery casing and caps using solution of baking soda and waterCAUTION: Do not allow cleaning solution to enter batteryRinse battery with clear water and dry well using clean clothStore battery on wooden shelf in cool dry placeSuch conditions reduce self-discharging and keep fluid evaporation to minimumKeep battery away from dew, high moisture and direct sunlightDuring the storage period, recheck electrolyte level and specific gravity readings at least every monthIf necessary, keep the battery at its upper level line and near full charge as possible (trickle charge)