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Question about the U20M-U plugs form Denso:

Are users of this plug gapping at 0.015" or 0.025", or somewhere in between?

I ask because the Denso website suggest different gaps depending on the small engine in which the plug is installed (and that's quite a range).

Not surprisingly, Moki, DA and DLE were not listed among the small engine manufactures.

I am going first with the smaller 0.015" gap, which should require less voltage for good full spark, but I thought I'd also seek some confirmation here.

Thanks,

Noah