Honda BF35A-BF45A Outboard Motors Shop Manual., Page 168Get this manual
GAS ASSISTED ASSEMBLY (GAS: ASSISTED TYPE) aDISASSEMBLYIREASSEMBLY
Do not disassemble the gas assisted damper assembly as it is filled with the high pressure gas
Disassembly1reassembly of the gas assisted assembly must be performed with the outboard motor laying on its right sideRaise the outboard motor the uppermost position1
I) Remove the gas assisted damper assembly by removing the tilting bolt cap, loosening the self locking nut, and lifting the stern bracket