1988 Johnson Evinrude "CC" 9.9 thru 30 Service Repair Manual, P/N 507660, Page 60Get this manual

1988 Johnson Evinrude "CC" 9.9 thru 30 Service Repair Manual, P/N 507660, Page 60

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AnodesTesting and Replacement Erosion or disintegration in salt or brackish water indicates the anodes are performing their functionThe anodes should be inspected andor replaced at intervals or corros