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Failing immobiliser or ECU?


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Hello everybody!

I have a Yamaha X-max 125 (2010). The problem is I can't start it up. Maybe you could give me some ideas what to do?

So, the symptoms are that the starter works but there is no spark.

I also noticed that when I turn the key to ON state, I can't hear the fuel pump as I used to. Also the immobiliser diode doesn't light up at all.

Can you give me some hint what I could do to diagnose this problem further?

Could that be a failing immo? Maybe some water got into it? Or rather is it the ECU?

Or maybe (hopefully) there is something else I could check/fix?

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