426 '02 - No spark when hot

Please help, I have recently purchased a 02 YZ426, my first race bike for over 15 years, first race was a blast. Since then the bike does 1-2 laps of practice and then just will not start again. The plug has zero, nitch, nill spark. I have tried all the obvious things, new stator plate, rotor, spark plugs, HT lead and coil and still the same outcome 1-2 laps, stop = No spark.

Please any, help really will be apprecaited

:applause:

what about the cdi?have you tried that yet?

That and the wiring loom are / next last on the list, just wondering if I had missed anything much easier and cheaper !! :applause:

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