1977 Evinrude 55 HP Outboards OMC Service Repair Manual P/N 5307, Page 32Get this manual

1977 Evinrude 55 HP Outboards OMC Service Repair Manual P/N 5307, Page 32

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The air inlet disc valve must seat tightly to prevent fumes from escaping the tank when the fuel hose is connected, but must al10w air to enter the tankThe disc valve spring retainer is staked to the