Question about 2003 Hartford VR 125H

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Fuel problem I need help! I was recently riding down the road after just filling up and my bike stops running. My first thought was I got bad gas. I went home drained the tank and replaced my fuel filter. I put everything back together and now have another problem. Now

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The bike will start but not run for long especially if I roll the throttle a bit. When turning the key and flipping the kill switch to on I can hear the fuel pump. I removed the fuel pump assembly and checked for holes or cracks in the lines and none are present. Does anyone know if the fuel/air separator can go bad? I have tried putting an extra quick disconnect to an extra fuel line to see if I can get any fuel out put and I get nothing. Do fuel pumps get clogged? Any words of wisdom would be great before I run out and buy an new fuel pump.Try running the bike with the gascap open and see to rule out that the air supply is clogged.,,,

Posted on Nov 10, 2008

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Posted on Jan 02, 2017

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What should I check next? Not getting any error codes, replaced the CKP, MAP, IAC, TP, & ET Sensors. Not sure what I should try next, any suggestions would be appreciated.

Hi Bruce, might have gotten some bad gas. Drain the tank, clean the fuel filter, check the bottom of tank for rust, dirt, water ect. Then ckeck fuel pump pressure, refill tank with a gallon of fresh gas from a different source and take it for a ride. good luck

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Richard I need some more info from your harley guru

Next time the bike does this, loosen the gas cap and see if this fixes the problem, The tank is vented thru the cap. If this solves the problem, replace the gas cap.

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1 Answer

Bike did not run for a few months , and now when I am starting engine runs and then stops after a minute or two.any help? bad fuel?

This sounds like a typical case of gas going bad and possible rust in your gas tank. Best to drain ALL gas from your tank - if you can easily remove it - take off the petcock and rinse the tank with fresh gas - look for any flakes of rust in the gas you drain out. Once you have the tank fully flushed - clean or replace your fuel filter and I would suspect that it will run just fine.
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My bikes actually a 2000 gsxr600 anyway I was riding today and when I took off from a stop the bike lost all power and backfired real loud so I pulled the clutch in and barely got it home. When I got it...

not a good idear adding more oil to the fule it realy dont need it and it only gloos up the works,,,as for this fuse blowing it could be your battery took a wack and you busted the plates inside it but that wont do anything to the head lights thats another fult

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Could be the fuel filter but I'd bet money on the fuel tank vent. Loosen your fuel cap and take a ride. Don't take the cap off, just loosen it a bit. If that cures the problem, buy a new fuel cap.

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