Fuel System Problem
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Road Master
Joined: Sep 2009
Posts: 945
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From: Oklahoma City
Fuel System Problem
A couple months ago the bike started missing just a little. Mainly during maintained engine speeds of 1800 to 3500 RPM. I raised the fuel map in that range and it worked for a while then started again. Repeat the map adjustment once more and the same result. So I knew then something was going wrong.
I've done new intake seals, new fuel pump, filter and lines, checked throttle shaft, had injectors cleaned. Regulator and the line from the disconnect to the fuel rail are the only original things left. Back to the beginning fuel map. It's much better but still not right. Guess I should have replaced the regulator too.
I have one question. With everything back together I left the fuel rail end of that line disconnected and stuck in a bottle. I turned the bike on and the fuel pump ran for a couple seconds and shut off like it had pressurized. With that line open shouldn't it just free flow fuel until the tank is empty?
I've done new intake seals, new fuel pump, filter and lines, checked throttle shaft, had injectors cleaned. Regulator and the line from the disconnect to the fuel rail are the only original things left. Back to the beginning fuel map. It's much better but still not right. Guess I should have replaced the regulator too.
I have one question. With everything back together I left the fuel rail end of that line disconnected and stuck in a bottle. I turned the bike on and the fuel pump ran for a couple seconds and shut off like it had pressurized. With that line open shouldn't it just free flow fuel until the tank is empty?
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