1972 Ski-Doo Shop Manual, Page 225Get this manual
ELECTRICAL
THE ILLUSTRATION WILL AID YOU TO FINO THE CORRECT READING
ELECTROLYTE The electrolyte fluid solution is composed of sul phuric acid and water that varies in weight with the battery's charged stateAs the rate of charge drops, the acid leaves the solution and enters the battery plates which in turn causes decrease in electrolyte weight (fig3-6-1)To find the batte ry's state of charge, use hydrometerliD
EXAMPLE NO1
Temperature below SOOFHydrometReading 1.250 Ac:id temper.ture 200 Subtract .024 SpGr Corrected SpGrIs 1.226
soFULLY CHARGED Ac:id in w.t.r gives .lectrolyte specific grllVity of 1.260