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July 13th, 2019, 12:55 PM   #11
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From: Capitol of Empire

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When you figure it out, let us know. I'm having similar problems with my FE390. It starts, runs rough, backfires, then eventually cuts out. I've replaced the fuel pump, plug and plug wire.
Daners5150 is offline  
June 23rd, 2021, 10:18 PM   #12
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From: Espaņa

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The problem has not been solved yet, I put a direct switch to the petrol pump relay, the switch is activated, it loads the petrol pump and you can start, then you have to change and position the switch and the motorcycle works without problems. If you do not change the position, the switch will drain the battery. It is a very rare problem, you may end up mounting a new electrical installation ...

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December 1st, 2021, 02:59 PM   #13
Joined: Sep 2017
From: united states

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I Ride: 2011 husaberg fe390
I had one leg burnt off the ecm of mine that made it a nightmare to figure out caused all sorts of starting running g issues pin was in the ecm itself not the plug
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390, gasoline, ignite, pump, spark

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