ECM hot and melting Trail boss 330 ’03

Hi. I have a polaris trail boss 330 from 2003. Bought it used half a year ago. Running great. Had some issues the last weeks, where i started to smell like hot electronics or plastic.noticed the plastic covers on the side had touched the exhaust an melted a bit. But it continued. One day i noticed some smoke coming from the front. Just a little. I then pulled of the front plastic cover and saw, that what I believe is the ECM was smoking from "inside" and the plastic in there was melted along with the connectors being fried. It stopped when I stopped the machine from running. Have then seen the same issue again.

I noticed a recall on the ECMs from that period and I have writen Polaris here in Denmark to find out if my bike is covered.

What else could be the cause of this? Is there something I should check?
Engine hot light doesn't work and I have never heard the oil cooler fan running. Read some where that this could be related to faulty ECM as well. Also some two times I have experienced that I could start the bike and ride it for 30 mins and stop and then I could not start again, because there was not enough power to turn the motor round. Charging for 15mins made it start. Don't know if this gives any clues.

Thanks in advance.
Kim

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