2003 Johnson ST 6/8 HP 4 Stroke Outboards Service Manual, PN 5005471, Page 250Get this manual

2003 Johnson ST 6/8 HP 4 Stroke Outboards Service Manual, PN 5005471, Page 250

GasolineHandle 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 possibleGas Fumes

Parts Air

By Volume

Gasoline fumes are heavy and will sink to the lowest point in the boat or room and will STAY there, WAITING

If the air around you is calm, the pilot light in the heater could ignite the heavy fumes before your nose ever smells the fumes
What can you do?