Tohatsu 9.8 Outboard Stalling

Maybe the coil

Ignition came to my mind as well. In the days of my youth when cars had just one HT coil, these symptoms were a sign of the coil breaking down and unable to take sudden high demand when the pedal was floored.

Yes, it may be the coil. Making the plug gap smaller may prevent the discharge in the defective coil. I think I order a new coil.
 
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