2004 vz250tlrc no spark on 1 3 5

[idiv&fis]

im fighting a electric issue on vz250 i have no spark or erratic spark on 1 3 5 . spark on 2 4 6 good drops one in neutral

[ausnoelm]

3 dead coils hey? Search for threads by Rodbolt, he has covered the spark on these many times in great detail, also, do you have a manual?

[rodbolt17]

carefully check pulser coil output and CDI output with a DVA meter.
my preference on this would be an analog CD-77 as a digital buffers to slow.