1990 Johnson Evinrude 120 thru 140, 185 thru 225, 300 HP, Service Repair Manual P/N 507875, Page 314Get this manual
Quality of the image is intentionally reduced!
3 Capacity Test Satisfactory capacity tests can be made only when the battery electrolyte equals or exceeds 1.225 specific gravity at 80F (2rC)4 Terminal Voltage Test
Safety Related