Honda BF8, BF9.9 and BF10 Outboard Motors Shop Manual., Page 230Get this manual
Quality of the image is intentionally reduced!
ELECTRICAL COMPONENTS 7 Remove the 22 rnm lock nut and ignition switch
IGNITION SWITCH
15122 mm LOCK NUT 4.9 N-m (0.49 kgf-m, 3.5 lbf-ft)
191 CONTROL BOX WIRE HARNESS