Honda BF50 (5HP), BF5A Outboard Motors Shop Manual 2014, Page 125Get this manual
4TROUBLESHOOTING IGNITION SYSTEM
HARD STARTING
Disengaged
1Check the switch ip is 1Install the clip securely-1 installed on the emergency stop switch correctlyInstalled
2Measure the spark plug gap and perform the spark test (P13) Plug gap: 0.70.8 mm (0.0280.031 in)
No spark or weak spark
Replace the spark plug (P18 of the base shop manual)
Good spark