1985 Ski-Doo snowmobile Service Manual, Page 354Get this manual
Section 04 ELECTRICAL Sub-Section 04 (BATTERY)
Temperature-Corrected Specific Gravity 1.260 1.230 1.200 1.170 1.110
Battery state of Charge Fully Charged 34 charged 12 charged 14 charged Discharged
Freezing Point of Electrolyte -59C (74F) -40C (-40F) -2JOC (-16F) -18C (OF) -7C (+19F)