If someone has any sort of Mechanical "nous" can see when a spark isn;t goodI like this approach, but it won’t tell you if the spark is ok in fresh air but fails under compression.
Tbh, I’m not sure how likely that is.
If it is any colour but a sharp crisp violet or blue it is an issue!
Big Fat white orange yellow green sparks are just not good in air so will be worse in a cylinder
I suspect that in this scenario (when testing) it will be total lack of spark rather than a questionable one
OR the lack of fuel in the bowls ??
Who knows
Back to the O.P. for an update
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