1970 Evinrude Ski-Twin 33 HP Service Repair Manual P/N 4687, Page 16Get this manual

1970 Evinrude Ski-Twin 33 HP Service Repair Manual P/N 4687, Page 16

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This vents the tank to the atmosphere -and opens the fuel outlet"0" ring seals in the fuel connectors shut off fuel flow when the line is disconnected from the tank or motorTo facilitate draining and