Honda BF35A-BF45A Outboard Motors Shop Manual., Page 163Get this manual
MOUNT FRAME
aDISASSSEMBLYIRWSSEMBLY
1) Remove the primary gear case
(P.72-5111I mm SELF LOCK NUT (2) (Remote control type only)
1141 SWIVEL CASE UNER (2)
INSTALLATION: Align the projection on the swivel case liner with the groove in the swivel case