Yamaha Marine Outboards Factory Service / Repair/ Workshop Manual 225G 250B L250B, Page 251Get this manual
POWER TRIM AND TILT UNIT
REMOVING THE POWER TRIM AND TILT UNIT (200H, 225GV200, V225)
WARNING
After tilting up the outboard, be sure to support it with the tilt stop leversOtherwise, the outboard could suddenly lower if the power trim and tilt unit should lose fluid pressureNOTE: Tilt up the outboard and then turn the tilt stop levers to support itRemove: Power trim and tilt unit