2003 Johnson ST 55 HP WRL 2 Stroke Commercial Service Repair Manual, P/N 5005483, Page 211Get this manual

2003 Johnson ST 55 HP WRL 2 Stroke Commercial Service Repair Manual, P/N 5005483, Page 211

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Outboard Emergency Stop System and Safety
The emergency system must STOP the engine when the clip is pulled from the emergency stopkey switch

What could happen?
If switch fail