Honda Outboards BF40A/BF50A Service Manual, Page 86Get this manual
HONDABF35A45A PULSER ROTOR
Removeinstall the pulser rotor using the special tool
I S.ToOL I
[1] 56 mm LOCK NUT WRENCH 07LPAZV30200
TOOL: 56 mm Lock nut wrench
07LPA-ZV30200
TORQUE: 57 Nm (5.7 kg-m41.2 ft-Ib)
48 mm LOCK NUT
Removefinstall the 48 mm lock nut using the special tools
[1] RING GEAR HOLDER
07LPB-ZV30100