2001-2014 Honda BF/BFP8D, BF/BFP9.9D Outboards Shop Manual, Page 211Get this manual
BFBC-BF9.9D 11) Drive the 25 mm spring pin using commercially available mm pin driver until it comes clear of the upper side of the tilt lever bracket12) Drive the 22 mm spring pin according to the above procedure until it comes clear of the upper side of the release rod bracket13) Pull the spring pins out of the bracket using pliers and discard the spring pinsReplace the spring pins with new ones when reassembling
3 mm PIN DRIVER (commercially available)