se7ensport
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| posted on 20/4/07 at 10:47 PM |
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Blackbird pump?? without return line?
Evening, I've got hold of a blackbird pump but want to use with different throttle bodies that don't have a return line (GSXR), it looks
like it has a built in regulator and a return line, however, I wouldn't have thought a retun line was needed unless the regulator was on the fuel
rail... can anyone shed any light?
Thanks
Alex
[Edited on 20/4/07 by se7ensport]
 
Rescued attachment pump.JPG
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stevebubs
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| posted on 20/4/07 at 11:39 PM |
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Quick sanity check - this was off an injected 'bird?
Can have a look at my mate's bird tomorrow if that'll help..
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se7ensport
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| posted on 21/4/07 at 09:46 AM |
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Cheers Steve, it's off a year 2000 bike
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Mike S
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| posted on 21/4/07 at 12:12 PM |
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As far as I know all fuel bike fuel injection systems use a return line from the fuel pressure regulator on the end of the fuel rail.
On the Blackbird the fuel pressure line is the banjo fitting on the bottom of the pump and the return line is the short tube. This connects to the
little hose in the pump assembly which puts the returned fuel down through what looks like stainless steel swarf (This is supposed to be there, do not
remove it!)
I'm sure that the fuel rail on your system will have a fuel pressure regulator.
Regards
Mike
There are more horses' asses in this world than there are horses
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MikeRJ
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| posted on 21/4/07 at 12:47 PM |
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quote:
Originally posted by Mike S
As far as I know all fuel bike fuel injection systems use a return line from the fuel pressure regulator on the end of the fuel rail.
Not all do,some have no return and the pressure is fixed by a regulator built into the pump assembly.
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stevebubs
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| posted on 22/4/07 at 06:40 PM |
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Had a nosy around my mate's bike today. Pump seems to be well buried inside the bike, though so not easy to get at to see how connected up.
Does anyone still have links to the pdf bike workshop manuals that were posted a while back?
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