1992 Johnson Evinrude "EN" Electric Outboards Service Repair Manual, P/N 508140, Page 19Get this manual

1992 Johnson Evinrude "EN" Electric Outboards Service Repair Manual, P/N 508140, Page 19

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Specific gravity will vary points (0.004) with every 10 (6 C) temperature changeFor each 10 (6 C) below 80 (2r C), subtract points from hydrometer reading For each 10 (6 C) above 80 (2r C), add points