1997 Johnson FICHT 150 ILEUC starter spins, have voltage to both sides of solenoid, lubed the bendix shaft, replaced the starter-still spins and growls when I let off the key, may be bendix and shaft bushings per prior posts?, thoughts are to replace the bushings and bendix and shaft. Thoughts? , what should I be cautionary of when removing the flywheel cover. what all should be replaced?