1995 Johnson/Evinrude Outboards 40 thru 55 2-Cylinder Service Manual, Page 347Get this manual
Gasoline! Handle With Care Gasoline vapor and air mixtures explode easily and violently when mixed as shown Part Gasoline
When you smell ANY odor of gasoline, explosion is possible
Gasoline fumes are heavy and will sink to the lowest point in the boat or room and will Stay there Waiting
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IGAS FUME S