Honda BF8, BF9.9 and BF10 Outboard Motors Shop Manual., Page 343Get this manual
2) Loosen the lock nut, then remove the upper joint metal and lock nut UPPER JOINT METAL
3) Loosen the outer tube, then remove the valve body from the viseTUBE
4) Loosen the outer tube slowlyDrain the residual ATF from the outer tube and valve body and remove the outer tube from the valve body