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Buell Forum » XBoard » Buell XBoard Archives » Archive through August 04, 2005 » Specs on the fuel pump? « Previous Next »

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Shazam
Posted on Friday, July 29, 2005 - 05:05 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)
anybody know the specs ie: gph,psi for the fuel pump?

the flow rate of the injctors on an 03 xb offhand?

info would be much appreciated.
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Fullpower
Posted on Friday, July 29, 2005 - 05:25 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)
pressure: 49 psi
volume : more than you will need
dont have any clue as to injector flow rate, or duty cycle.
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Diablobrian
Posted on Saturday, July 30, 2005 - 12:17 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)
From what I understand the 05 fuel pump is upgraded in a few areas, the pickups are arranged so that it won't starve on hard acceleration if your tank is less than 1/2 full (like in sprint races) and it is supposed to have better flow rates. We just had the race bike upgraded due to fuel problems. I'm sure your beast of a motor would benefit. I also recommend stuffing in some fuel cell foam while you have the pump out. This should also help prevent fuel pump starvation.
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Shazam
Posted on Saturday, July 30, 2005 - 01:20 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)
I am looking for an external fuel pump for my riding mower project

hence the need for the specs....thanks FP
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Martin
Posted on Sunday, July 31, 2005 - 11:25 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)
Injector flow (03 XB9)is 295cc @ 42psi, which is less than the pressure the system works at.
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Shazam
Posted on Sunday, July 31, 2005 - 12:44 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)
thank you very much
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Bruceclay
Posted on Sunday, July 31, 2005 - 02:22 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)
the only time i have trouble is during hard deceleration when fuel is low.

if i'm nearing reserve, i can kill the bike with a good fast stop. you know two fingers on the brake lever.
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