2005 Kawasaki KAF400 Mule 600 and Mule 610 4x4 Service Manual, Page 53Get this manual
2-34 PERIODIC MAINTENANCE Periodic Maintenance Procedures
Electrolyte Specific Gravity Inspection
WARNING
Electrolyte contains sulfuric acid which is harmful to skin, eyes, and clothingWear eye protection and rubber glovesIf spillage occurs on body or clothing, rinse at once with water for at least 15 minutescondition by testing the specific Check battery in each cell with hydrometergravity of the electrolyte
Read the level of the electrolyte [A] on the floating scaleSpecific Gravity Standard: 1.270 20C (68F)
If the specific gravity is below 1.200 (charge 70), the battery needs to be charged