Honda BF8, BF9.9 and BF10 Outboard Motors Shop Manual., Page 132Get this manual
7)Disconnect the oil pressure switch terminal and remove the wire from the clamps on the starter case B
[I SWITCH TERMINAL 1
121 STARTER CASE B
141 OIL PRESSURE SWITCH WIRE
Dl CLAMPS
8Remove the SE thermal valve wire connectors from the holder of the starter case and disconnect the connectors (Electric starter type)
9) Pull up the starter case slightly and disconnect the drain tube from the starter case B, and remove the 14 mm flange bolt and throttle cable stay, then disconnect the linkage pivot of the throttle cable from the carburetor throttle lever (Tiller handle type only)