1998 Johnson Evinrude "EC" 150, 175 FFI Service Manual, P/N 520211, Page 182Get 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
20 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
!GAS FUMES
What Can You Do?
If the air around you is quiet the pilot light in the heater may ignite the heavy fumes before you nose ever smells the fumes Store in sturdy, approved sealed Gas Can and Keep Outside
Always store gasoline outside in safety can (flame arrester and pressure relief valve in pour spout)Fill portable tanks outside of boatSpillage will collect in bottom of boatUse fuel for Fuel Not for cleaner, degreaser If Fumes are Smelled in shop, basement or garage, Immediately Put Out open flames, cigarettes, sparking devices Wipe up spill or leakGet towels, rags Outside Fast Open doors or windows Check Lowest area for fumes