Honda BF8, BF9.9 and BF10 Outboard Motors Shop Manual., Page 249Get this manual
EMERGENCY STOP SWITCH Check for continuity between the terminals according to the table below
1 Clip engaged
Clip disengaged'lip engaged and
1 There should be continuity
There should be no continuity.1
There should be continuity
EMERGENCY STOP SWITCH REPLACEMENT
I)Remove the 16 mm lock nut and remove the emergency