1976 Evinrude 4 HP Service Repair Manual Models P/N 506721, Page 47Get this manual

1976 Evinrude 4 HP Service Repair Manual Models P/N 506721, Page 47

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DESCRIPTION EXHAUST RELIEF Normally, exhaust gases conducted downthrough the exhaust housing and out the ul1derwater outlet in the gearcaseThe siphoning actiol1 of the ll and water provides unrestrict