Honda BF20A-BF25A, BF25D-BF30D Outboard Motors Shop Manual., Page 383Get this manual
7 TRIM ANGLE ADJUSTMENT NOTE: Install the outboard motor so that the axis of the propeller is parallel with the water surface1) Push in the adjusting rod, then twist upward and pull it out to remove2) Adjust the outboard motor position so that the anti-
Power trirntilt type and Gas-assisted tilt type only: Noof adjustment positions: positions:8, 1216', 207
1 POSITION ST
ventilation plate is parallel to the bottom of the boatReposition the adjusting rod and secure it by folding the rod stopper downNoof adjustment positions: positions: (4,8', 12', 16', 20') Except Power trimltilt type and Gas-assisted tilt type: