2001-2014 Honda BF/BFP8D, BF/BFP9.9D Outboards Shop Manual, Page 222Get this manual
SFBD-SFS.9D 7) Tiller handle type only: Spread the end of the mm cotter pin, and remove and discard itRemove the mm plain washer and discon nect the link rod from the shift shaft Replace the cotter pin with new one when reassem bling
8) Remove the four 22 mm flange bolts and crankcase si de cover and cove gasket Cover the crankcase opening with clean shop towel to prevent any dirt or foregin material from entering