TOPIC:

After checking a thousand times I have come to the conclusion that this is the pulse generator that failed, the one that feeds the coil of cylinders 2-5, and that at the same time it had burned out the CDI transistor with the green output wire .

 

I have already ordered (and paid for) a new one from MCG Parts.
Its cost was 136 euros with shipping, I will receive it at the beginning of the week.

I have read somewhere that working in the bike for a long time with the ignition on could burn part of the ignition system, I think that is the fault (another one) with which I bought this motorcycle.
I hope there is no other cause and it fry the CDI again.

Perseverance is a great virtue. And altho' the selling price of these bikes has only risen very slowly , nice , well restored and sorted bikes attract good prices -$ 7 to $8000 US. Probably more where you live. But this bike certainly has been a challenge.
Lucky for us MCG.

tackelhappy wrote:

Perseverance is a great virtue. And altho' the selling price of these bikes has only risen very slowly , nice , well restored and sorted bikes attract good prices -$ 7 to $8000 US. Probably more where you live. But this bike certainly has been a challenge.
Lucky for us MCG.

If my wife ever finds out what I paid for that motorcycle, she immediately throws me out of the house.

I don't like how the electrical wiring is "protected".

Twisted and dried out like a village sausage and tighter than a stripper's thong. 
 



I went to an electrical supply store and bought a few meters of spiral cable sleeving of different thicknesses.



I have already used this wiring protection system successfully before, both on motorcycles and on agricultural machinery.
Clean, cheap and reusable.

Thank you for spark pics and video. I've been quiet as I have little spare time... working 75 hours per week now.
 

Regarding the "Pulser Coils".  To my knowledge, these units do not "burn out".  They are Passive in the sense they do not carry a voltage/current.  When the engine is running they merely send an electrical Pulse (signal) to the igniter.  Obviously, the Pulse being induced by the rotating magnet.  They fail by developing an "Open" in the windings.  As such I don't see how a failed pulser-coil can burn-out the igniter or that specific part of the igniters circuit. 
In 1980, on my new bike, and two days into a cross-Canada ride, I started loosing 2 cylinders.  I'd pull over, stop the engine, scratch my head and a minute later start the engine only to find I had all six plugs firing.  Ride another 50 miles and the situation would repeat.  I went through this ordeal for a full day and was considering return home.  I can't explain why but this issue corrected itself and I had no other related problems. Not too long after this 8000K trip the problem returned.  The bike went back to  the dealer and the mechanic simply replaced the unit which was failing to fire it's respective plugs but he deduced and explained that it was developing an "open" when the engine got hot. 
Back then when a pulser coil was required Kawasaki supplied an entire assembly with all three.  When I picked up the bike the mechanic gave me my original assembly - minus the defective pulser coil.  I still have it and ironically haven't had a need to use it for a replacement P-coil.