2001-2014 Honda BF/BFP8D, BF/BFP9.9D Outboards Shop Manual, Page 87Get this manual
BFBC-BFS.SD 14) Apply marine grease to new O-ring and install it in the impeller housing 15) Apply thin coat of grease to the key setting groove of the vertical shaft and set the key16) Install the impeller housing assembly by aligning the key groove of the impeller with the key on the vertical shaft by turning the vertical shaft clockwise taking care not to allow the key to come off from the vertical shaft17) Install the mm washer bolts (5 and type 50 mm, XL type 90 mm) and tighten the bolts to the specified torque
VERTICAL SHAFT
IMPELLER HOUSING
KEY GROOVE
TORQUE: 11 Nm (1.1 kgfm, 8Ibf.ft)
18) Apply marine grease to the inside of the water tube seal ring and install it to the impeller housing Install the water pump housing grommet19) Install the following:gear case assembly (P4-10 and 11)propeller shaft holder (P 4-8)- propeller (p4-2)