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Discussion Starter · #1 ·
MY 04 VTX1300 IS ACTING AS IT RUNS OUT OF FUEL WHEN IM UNDER HEAVY THROTTLE. RUNS GOOD AT NORMAL RIDING CONDITIONS. ONLY APPEARS WHEN IM PASSING. CLEANED THE CARB, CLEANED THE AIRBOX, NEW SPARK PLUGS, ADJUSTED THE CARB AND CHECKED FOR VACCUM LEAKS. CANT FIGURE THIS ONE OUT.
 

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Does the tank have any rust in it?
There is a small strainer/filter in the
carb fuel hose bib. Also carefully check
the slide valve diaphragm, any tear will
prevent the slide valve from opening fully.
 

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Discussion Starter · #3 ·
Does the tank have any rust in it?
There is a small strainer/filter in the
carb fuel hose bib. Also carefully check
the slide valve diaphragm, any tear will
prevent the slide valve from opening fully.
TANK IS RUST FREE, NEW FILTER/SCREEN. SLIDE DIAPHRAM APPEARED TO BE FINE I DIDNT SEE ANY NOTICABLE DAMAGE OR CRACKS. IM WONDERING IF MY FUEL LINE MAY BE COLLAPSING AND NOT LETTING ENOUGH FUEL THROUGH TO THE BOWL CONSTANTLY.
 

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Your fuel line is not under pressure positive or negative, it's just gravity fed so it's unlikely to be a collapsing line.

Is this a new airbox, stock...? Did you check the snorkel section for a mouse nest?
 

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Discussion Starter · #5 ·
Your fuel line is not under pressure positive or negative, it's just gravity fed so it's unlikely to be a collapsing line.

Is this a new airbox, stock...? Did you check the snorkel section for a mouse nest?
FUNNY YOU MENTIONED THIS, IT IS STOCK AND I DID REMOVE A NEST FROM IT ABOUT 2 MONTHS AGO (AFTER LETTING IT SIT IN THE GARAGE FOR WAY TOO LONG. )
 

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Never saw a fuel line collapse. Is tank fuel vent open? California bike???
More info here>> 1300 Section
 

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Howdy from Texas and welcome to the club.
Feel free to turn off your Caps Lock, no need to shout (all caps are considered raised voice on these Internets)

When and how suddenly did the problem occur? That is often a huge clue in these puzzles.

In the meantime, feel free to drop into the New Members section and introduce your bike and/or yourself.
With pictures, lots of pictures, of course. We are suckers for pictures. :)
 

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Discussion Starter · #8 · (Edited)
SORRY, OLD WORK/SHOP KEYBOARD WONT TURN CAPS OFF. I AM ORDERING A NEW ONE. I WILL DEFINATELY POST PICS.

THIS PROBLEM STARTED A FEW YEARS AGO WHILE RIDING IN A FUND RAISER. AT FIRST I THOUGHT IT WAS OUT OF FUEL BECAUSE THAT IS EXACTLY HOW IT REACTED. I WAS APPROACHING 95 MPH THEN IT JUST FELL ON ITS NOSE. AFTER STARTING BACK UP IT RAN FINE UNTIL I RAN THE GEAR OUT TO PICKUP SPEED. NEXT TIME IT OCCURRED WAS SIMILAR SITUATION BUT I LET IT GO BACK TO IDLE AND IT CONTINUED TO RUN, BUT HAD LIMITED THROTTLE ( NO MORE THAN HALF THROTTLE) BUT DID CONTINUE DOWN THE ROAD. AFTER SITTING FOR A FEW MINUTES I HAD FULL THROTTLE AGAIN UNTIL I RAN THE GEARS OUT, AFTER 3RD GEAR IS WHEN I NOTICED IT THE MOST( SO I HAD 1ST 2ND THEN FELL OUT IN 3RD. )
 

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I agree with Hans, I'd check fuel supply to the carb. The whole "had to sit and wait" is often a dead giveaway. Hoping that it's as simple as that. Either the hose or the diaphragm need to be replaced. Should not be hard. Or also some blockage from the tank side. Dirt, rust, anything. Time to check those out.

Good luck with the keyboard. I have 3 at home, I could have sent you one. LOL
 
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