2001 Edition Yamaha F225A and LF225A Outboards Service Manual, Page 251Get this manual
Power trim and tilt unit Disassembling the tilt cylinder and trim cylinders
1Hold the tilt cylinder in vise using aluminum plates on both sides2Loosen the tilt cylinder end screw 2, and then remove the tilt piston assembly
3Remove the bracket 5, then the balls 6
WARNING
Make sure that the rams are fully extended before removing the end screwTrim and tilt cylinder wrench: YB-06175-2B 4Remove the gear housing 7, then the shuttle pistons 85Remove the drive gear 9, balls 0, and dowel pins A3Drain the power trim and tilt fluid4Remove the free piston 3, and then blow compressed air through the hole while holding down the cloth