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Fuel Fuel Delivery

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  • 1 Post By NoClassic
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October 13th, 2020, 06:06 AM   #1
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2013 FE 501 fuel leak


I have recently bought a second hand Husaberg FE 501. Unfortunately it has a fuel leak when running. I have traced the origin of the leak to the topside of the throttle body.

I did this by dismantling the bike to get the throttle body off then reconnecting the tank and blipping the starter button to engage the fuel pump. I think that the fuel may be coming from the junction between the fuel rail and injector but i'm not sure.

Should I be able to separate the fuel rail and injector? They are shown as separate parts on the parts diagram but i can't get them apart. I have since put the bike back together in the vain hope that it was a loose connection but it appears to be worse!

Has anyone experienced similar issues?

Any help or advice would be greatly appreciated.

Thanks, Ian
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October 13th, 2020, 08:37 AM   #2
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First Class Motorcycles - FE 501 2013 - THROTTLE BODY

It is very likely the injector to rail o-ring, or the rail to 90 degree fitting o-ring that is leaking. If the injector is difficult to extract from the rail rotate it while pulling. When I replaced my injector it took a good bit of force to remove the first time around.

Replace both o-rings and be very careful upon installation as they are easy to pinch when pushed into the rail openings. Use a small bit of lubricant as this helps to prevent damage to the o-ring.
Thanks from Rainerio

Last edited by NoClassic; October 13th, 2020 at 08:39 AM.
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October 14th, 2020, 08:24 AM   #3
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O-ring/seal ordered, will give it try when they arrive!
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  Husaberg Forum > Mechanical and Technical > Fuel

2013, 501, fuel, leak

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