1987 Johnson/Evinrude CU Outboards 35A thru 55 Service Manual, Page 12Get this manual
After Repair on any part of the fuel system, pressure test engine portion of fuel system as shown: (See Chapter for testing the fuel tank portion Squeeze till bulb feels hard When Storing:
Whenever possible, remove Hose from motor And from tank tank cap has an air vent valve, make sure it's closedand store arou nd ears of tankThis way gasoline is trapped in tank and not in the hose where it might leak onto the floor if hose deteriorates
If stored indoors, do not put in room having an appliance with Pilot Light or where electrical appliances or switches (which may spark) will be used When Running: