1993 Johnson Evinrude "ET" 40 thru 55 Service Manual, P/N 508283, Page 363Get this manual
Outboard Fuel, Electrical System and Persons Safety The Fuel System starts here at the fuel tank The Electrical System begins here at the battery
and ends here- -at the carburetor
and ends here on the powerhead What's Important? Fuel Leakage must be elim inated Stray electric sparks must be avoided
What Could Happen?
Gasoline can ignite and burn easilyGasoline vapors can ignite and explodeWhen not boating, fuel leaking in car trunk or van, or place where portable tank is stored (basement, cottage) could be ignited by any open flame or spark (furnace pilot light, etcWhen boating, fuel leaking under the motor cover could be ignited by damaged or deteriorated electrical part or loose ire connection making stray sparks