1978 Johnson 55 HP Outboards Service Manual, Page 34Get this manual
CONNECTOR HOUSING NOTE If "0" ring in connector housing is damaged,
To install the "0" ring in the connector, proceed as follows: aPlace drop or two of oil on the "0" ringbPlace the "0" ring on face of the connectorcPush the plunger down with the straight instrumentdPinch the "0" ring together and gently push into position with fingers
air will enter fuel line and carburetorMotor will run out of fuelInstallation of the "0" ring in the fuel hose connector requires the use of two instruments, one to hold the plunger down and one to remove the "0" ringBoth instruments are illustrated and can be made easily of 16 gage (116" diameter) steel wireA piece of discarded remote control wire may be usedForm small hook on the bottom end of the longer tool of about 116" radiusAfter cutting the wires to length, be sure the ends are rounded off to prevent scratching or damaging the "0" ring seat on the plungerSee Figure 3-33