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Buell Forum » 1125R Superbike Board » Where's the "Inlet fuel pump screen"? « Previous Next »

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Duanelr
Posted on Monday, July 30, 2018 - 01:08 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I'm having problems with the bike dying and it might be a fueling issue. I'm following the trouble shooting guide for my particular diagnostic error code. In the flow chart it says to check, "restricted inlet fuel pump screen."
WTF?
I'll guess it's in the tank.. on the pump? I replaced my pump 7 months ago, I don't recall a screen.

Would someone know where the inlet fuel pump screen is?
On a related note, has anyone replaced their fuel pressure sensor?

(Thank you, Lance, for the pictures)

pump1


pump2


pump3


pump4
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651lance
Posted on Monday, July 30, 2018 - 01:21 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

The screen is under the black cover. the screen isn't sold separately. I asked a couple companies about replacement filter but haven't had any luck yet. I wouldn't think thats your issue.



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Stevel
Posted on Tuesday, July 31, 2018 - 04:32 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I have made many comments on many threads before on this subject. Many faults that occur, occur somewhere in the fuel system. This fuel system isn't overly complex, but it's a lot more than a carburetor. Much of the system is electronics, but fault finding for the most part appears to be shot gunning parts and that's stupid, frustrating and expensive. Fault finding is much easier if you fit a mechanical fuel pressure gauge to the system. It is easy if you use an adapter at the pressure sensor. A while back I identified the adapter fitting needed with an Australian source. This adapter will provide a 1/8" NPT port to attach a hose/ gauge of your choice. Then by riding the bike and watching the gauge, you soon learn what normal and correct should be. Then at fault time, it would be easy to determine if the fault is the pump, electronics or a electrical wiring/connection issue. Don't guess.
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Fresnobuell
Posted on Tuesday, July 31, 2018 - 11:44 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Have you done this fuel pressure test, Steve?
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