1985 OMC 65, 100 and 155 HP Models Commercial Service Manual, PN 507450-D, Page 109Get this manual
Connector Housing If a-ring in connector housing is damaged, it will be necessary to replace the a-ring as air wi II enter fuel line and carburetor and motor will run out of fuelInstallation of the a-ring in the fuel hose connector requires the use of two instruments, one to hold the plunger down and one to remove the -ringBoth instruments are illustrated and can be made easily of 16 gage 1,59 mm diameter (116") steel wireA piece of discarded remote control wire may be usedForm small hook on the bottom end of the longer tool of about 1,59 mm (116") radiusAfter cutting the wires to length, be sure the ends are rounded off to prevent scratching or damaging the a-ring seat on the plunger
To remove the a-ring
from the connector, proceed as follows:
1Grip the connector gently in vise between two wood blocks2Push the plunger down with the straight instrument 3Insert the hooked instrument betweentheO-ringandits
seat with the hook in flat or horizontal position