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Buell Forum » 1125R Superbike Board » Archive through June 19, 2013 » Won't start « Previous Next »

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Green_bean
Posted on Tuesday, June 11, 2013 - 09:25 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)
Still working on neighbors bike that has been sitting for 3+ years. New battery, new gas and new fuel rail. Have gas up to fuel rail and won't start. Fires off for a little while after shooting starting fluid. The injectors must be gummed up. Looks like the back one is easy to get to but what about the front.
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Jdugger
Posted on Tuesday, June 11, 2013 - 09:38 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)
Rotate the motor... (or take the chassis off)
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Green_bean
Posted on Tuesday, June 11, 2013 - 10:34 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)
Ok I just noticed a "fuel system error PR" flashing on dash.
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Oldog
Posted on Tuesday, June 11, 2013 - 01:08 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)
you may have a fuel pump issue
I believe that the error is fuel pressure.
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Froggy
Posted on Tuesday, June 11, 2013 - 01:14 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)
Yea I would be leaning to the fuel pump, maybe sitting with old gas for 3 years ate it.

Enter diagnostic mode by holding down both TOGGLE and MODE on the dashboard, then turn the key to ON and tab through till you get to the fuel pressure. It should be around 517 kPa at ignition on, and 380-415 kPa with the engine running idle and 4000 RPM (if you ever get to that point)

Also in diagnostic mode it will give you all the trouble codes, but you may have some false positives due to your troubleshooting.
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Green_bean
Posted on Tuesday, June 11, 2013 - 04:10 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)
Fuel kpa is 514. That is a neat feature.
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