Where the hose with the 90 degree fitting and the "fork piece" are attached is on the oil injector. By pulling the fork piece (retainer) you can remove the 90° fitting and hose. There are o-rings on the fittling and use a new #320107 ty-rap on the hose. If the hose has softened from oil and age, you should have enought to cut back about 1/2" and reclamp with the ty-rap for a leakproof seal. That shorter bit of hose should also remove the stress on the fitting allowing it to center in the injector body.
"There is never just one thing wrong with a boat";
-- Travis McGee, main character in a book series by John D. McDonald
The factory recommends that a properly trained technician service your Johnson or Evinrude outboard motor. Should you elect to perform repairs yourself, use caution, common sense, and observe safety procedures in the vicinity of flammable liquids, around moving parts, near high-temperature components, and working with electrical or ignition systems.
The information offered here is only general in nature and should not be construed as complete factory approved procedures, techniques, or specifications. Always use the proper service manual for your motor, up-to-date service literature, the correct tools, and have an understanding of how to proceed with troubleshooting and repair methods. If you are unsure or uncomfortable with a procedure, a situation, or a technique, enlist the services of a factory trained technician.