Honda BF20A-BF25A, BF25D-BF30D Outboard Motors Shop Manual., Page 307Get this manual
11) Remove the 15 mm E-clip and remove the upper cylinder pin12) Remove the mm self-locking nut, mm washer and the 203 mm hexbolt13) Loosen the 78-14 UNF self-locking nuts and raise the left stern bracket off14) Disconnect the ground cable and remove the power trimtilt assembly[3]78-14 UNF SELF-LOCKING NUT (2) [4]15 mm E-CLIP