Honda BF8, BF9.9 and BF10 Outboard Motors Shop Manual., Page 357Get this manual
16)Hold the valve body in vise as shownTaking care not to tighten the vise too tight as it damages the valve body 17)Tighten the outer tube to the specified torqueTORQUE: 152 Nm (15.5 kgfem, 112 Ibfeft)
POWER TILT MOTOR
CAUTION: Do not reuse the O-ringDo not use shop towel, cloth, gloves, etc when reassembly
[2] mm SCREW (2)
[3] YOKE Make sure there is no metallic material (e.gwasher, etc on the magnets before installationAfter installing the yoke, lightly tap on the outer surface of the yoke with plastic hammer (for snug fitting of the armature bearing)