Tohatsu 4 Stroke MFS 2/2.5/3.5A Outboards Service Manual, Page 159Get this manual

Tohatsu 4 Stroke MFS 2/2.5/3.5A Outboards Service Manual, Page 159

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OK Troubleshooting Ignition System
Replace spark plug with new one
WARNING
When testing, put electrode cap assuredly to prevent direct contact with spark tester wiring and leak of el