2007 Polaris Two Stroke Snowmobile Workshop Repair manual, Page 263Get this manual
BATTERYELECTRICAL SYSTEMS CONVENTIONAL BATTERY
NOTE: Do not service the battery unless it will be put into regular service within 30 days
Refilling Conventional Battery
The normal chargedischarge cycle of battery causes the cells to give off gasesThese gases, hydrogen and oxygen, are the components of waterBecause of the loss of these gases and the lowering of the electrolyte level, it will be necessary to add pure, clean distilled water to bring the fluid to the proper levelAfter filling, charge the battery to raise the specific gravity to 1.270 or greater
Battery Preparation