Honda Outboards BF40A/BF50A Service Manual, Page 119Get this manual
HONDABF315A o4!5A 95 mm6 40 mm FLANGE SOLT
REASSEMBLY: Tighten the eight 95 mm flange bolts and the ten 40 mm flange bolts to the specified torque in the numbered sequence shown in the drawingAfter tightening the 95 mm flange bolts to the specified torque, mark the alignment position on the bolts and crankcase, then tighten the bolts additionally TORQUE: 95 mm flange bolt 2B Nom 12.B kg-m20.2 ft-Iblthen additionally tighten 40 mm flange bolt 11 Nm (1.1 kg-m8.0 ft-lb)
22 mm LOCK NUT
DISASSEMBLY IREASSEMBLY: 1) Hold the crankshaft using the special tool when removinginstalling the 22 mm lock nut2) Remove the 22 mm lock nut by using the following special toolsTOOLS: Lock nut wrench Ring gear holder