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Discussion Starter #1
Recently got a 05 vtx 1800r. Started to run rough so changed spark plugs and noticed cracked fuel line and replaced all fuel lines due to all being dry rotted. Took it for a 5 min ride went fine then tried to ride again and when ever I turned the throttle it just kinda bogged down and would barely go turned it off for bout 5 min then started up and it would run better then die while slowing down not sure what to check next?
 

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Sounds like a fuel flow problem to me...assuming that it fires up smoothly with no obvious signs of an electrical issue.
 

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Recently... Did you look in the fuel tank?? Has it been parked for a long time???
Drain fuel tank...
Does it have an aftermarket fuel controller??? Power Commander or something like it...
You can remove the high pressure line at the throttle body and turn on the IGN and see if fuel flows
at a decent rate. Clamp a finger and thumb on the banjo hose fitting and see if you have pressure.
 

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Discussion Starter #4
Recently... Did you look in the fuel tank?? Has it been parked for a long time???
Drain fuel tank...
Does it have an aftermarket fuel controller??? Power Commander or something like it...
You can remove the high pressure line at the throttle body and turn on the IGN and see if fuel flows
at a decent rate. Clamp a finger and thumb on the banjo hose fitting and see if you have pressure.
Fuel take looks clean.
Yes guy I got it from let it sit a while not sure how long only 3500 miles.
did drain the fuel.
Nothing aftermarket
Will let you know about how teSting the pressure goes thanks
 

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Discussion Starter #5
Recently... Did you look in the fuel tank?? Has it been parked for a long time???
Drain fuel tank...
Does it have an aftermarket fuel controller??? Power Commander or something like it...
You can remove the high pressure line at the throttle body and turn on the IGN and see if fuel flows
at a decent rate. Clamp a finger and thumb on the banjo hose fitting and see if you have pressure.
Yes has pressure
 

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Do you believe you have 50 PSI???? Flow rate??
A fine mesh screen on the top of the injectors...
Go to the Step by Step board and do the Ground Fix.
One cable from starter motor mounting bolt to a bracket by the down tubes at bottom of radiator.
Rarely an issue there but clean & lube.
Then the Common Electronics Ground on Front Ign coil mounting bolt.

After market fuel manager???? Some have a wire tapped on the TPS wire and it breaks the wiring.
 
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