1995 Johnson/Evinrude Outboards 50 thru 70 3-cylinder Service Repair Manual P/N 503149, Page 233Get this manual
Quality of the image is intentionally reduced!
Batt ery Testing
Specific gravity will vary points (0.004) with every 10F () changeFor each 10F () below 80F (27), subtract points from hydrometer readingFor each 10F () above 80F (27), a