2001 Edition Yamaha F225A and LF225A Outboards Service Manual, Page 249Get this manual
Power trim and tilt unit 6Reverse the PTT motor leads between the battery terminals to fully extend the trim and tilt rams
NOTE: Cover the removed pipe joint with ragRam Up PTT motor lead Sky blue (Sb) Light green (Lg) Battery terminalPTT oil pressure gauge adapter set: YB-06580 12Connect the PTT motor leads to the battery terminals to extend the tilt ram, and then measure the hydraulic pressure
7Remove the PTT oil pressure gauge adapter set 28Install the pipe joints 1, and then tightening them to the specified torquePipe joint 1: 15 Nm (1.5 kgfm, 11 ftlb)