2006 Johnson SD 3.5 HP 2 Stroke Outboard Service Manual, PN 5006562, Page 129Get this manual
Outboard Fuel, Electrical System, and Safety
The fuel system starts here at the fuel tank .and ends here at the fuel injector
The electrical system begins here at the battery
.and ends here on the powerhead
What is most important?
Fuel leakage must be eliminated Stray electric sparks must be avoided
What could happen?
When not boating, fuel leaking in car trunk or van, or place where portable tank is stored (basement or cottage), could be ignited by any open flame or spark (furnace pilot light, etc When boating, fuel leaking under the engine cover could be ignited by damaged or deteriorated electrical part or loose wire connection making stray sparks
How Can Fire and Explosion Be Minimized?