Honda Outboards BF40A/BF50A Service Manual, Page 169Get this manual
HONDABF35A45A
POWER TILT ASSEMBLY (POWER TRIM &TILT TYPE)
aDISASSEMBLYIREASSEMBLY
Disassemblyreassembly of the power tilt assembly must be performed with the outboard motor laying on its right sideRaise the outboard motor to the uppermost position
1) Disconnect the trim angle sensor connectors and the power tilt motor connectors2) Remove the power tilt assembly by removing the tilting bolt cap, loosening the self lock nut, and lifting the stern bracket
[2] WIRE HARNESS CUP REASSEMBLY: Clamp the gray taping portion of the power tilt motor wire
POWER TILT 'MOTOR CONNECTOR
[25] 78-14 UNF SELF-LOCKING NUT (Rside)