1990 Johnson Evinrude "ES" 9.9 thru 30 Service Repair Manual, P/N 507871, Page 279Get this manual

1990 Johnson Evinrude "ES" 9.9 thru 30 Service Repair Manual, P/N 507871, Page 279

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Capacity Test

Connect tester to battery terminal postsDischarge at rate of three times battery hour rating for 15 secondsIf the voltage is .6 volts higher at the end of 15 seconds, the ba