Honda BF8, BF9.9 and BF10 Outboard Motors Shop Manual., Page 235Get this manual
cINSPECTION
IGNITION SWITCH
Check for continuity between the terminals according to the table belowThere should be continuity between 0
Position
White black
Black yellow
ON START0
EMERGENCY STOP SWITCH
Check for continuity between the terminals according to the table below
1 Clip engaged1