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Discussion Starter #1
Hey guys,

as of yesterday, my WR250X won't start. After turning on the ignition, I can hear the fuel pump. However, when pressing the starter, I can hear some strange noise from the area of the air intake and the display goes dark as if turning the ignition off. Then it comes back on and the fuel pump starts again. Could it be a short somewhere?

Also, just once and only for a very short moment I could see error code Er-1 on the display, which then immediately went dark again just to "reboot" itself.... However, this has not happened again since.

Any ideas?

Thanks
 

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First make sure battery is fully charged -
battery cables are clean and tight -
 

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Discussion Starter #3
I somehow got it working today with just cranking the throttle while pressing the ignition button. Somehow sounds like the air intake is choking on something. Will open her up and investigate for the source of this.
 

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Don't know if you have the manual but it says

Er-1


ECU internal malfunction
(output signal error)



No signals are received from theECU.


 
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