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Why don't you let NGK know if your plugs are going bad. See what they say at customer service. Wonder if they are the domestically (USA) made ones? Most specs call for a .5mm electrode gap, and I have a Zenoah that says .6. Pretty infinitesimal difference, I wonder if it really matters...

Yes, some older type saws also had a set of points separate from the coil, but that goes back quite a few years. For the heck of it, check your gap between the module and flywheel too.

Cory, if the coil is going out, it will often not put out a sufficient spark to start when it is hot. Cold starting can be lesser a problem. If it doesn't start when hot, check the spark while it is still hot. No spark or a weak one can tell you that the coil is going bad. Sometimes it will...

Cory, why don't you check the spark when it is warm.