2001 Edition Yamaha F225A and LF225A Outboards Service Manual, Page 236Get this manual
Bracket unit
WARNING
After tilting up the outboard motor, be sure to support it with the tilt stop leverOtherwise, the outboard motor could suddenly lower if the power trim and tilt unit should lose fluid pressureNOTE: If the power trim and tilt does not operate, loosen the manual valve and tilt the outboard motor up manually2Remove the anode and bolts 33Loosen the self-locking nut 4, and then move the clamp brackets slightly in the direction of the arrows
Installing the upper case
1Install the upper and lower mounting bolts into the swivel bracket simultaneously2Install the upper mounting nut and lower mounting nut 3, and then tighten them to the specified torques